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Erhart Farm SWMP-9-28-21 EErrhhaarrtt FFaarrmm Storm Water Management Study Chanhassen, MN Prepared For: Black Cherry Development, LLC 14500 Martin Drive, Suite 3000 Eden Prairie, MN 55344 Prepared By: Alliant Engineering, Inc. 733 Marquette Ave, Suite 700 Minneapolis, MN 55402 September 28th, 2021 Erhart Farm _ Stormwater Management Study September 28th, 2021 Alliant Engineering, Inc. Page 1 of 10 200-090 Introduction Included in this report are the materials necessary for review of the proposed stormwater management plan for the Erhart Farm residential development in Chanhassen, Minnesota. This stormwater management plan was designed to meet the rules established by the City of Chanhassen and Riley Purgatory Bluff Creek Watershed District. Background This hydrologic study was conducted to analyze the stormwater treatment requirements for the proposed Erhart Farm development in Chanhassen, Minnesota. The goal of the study is to design stormwater treatment facilities that can handle the increased impervious cover resulting from the new development. This study compares the following two scenarios:  Existing conditions – Wooded with single family residential home.  Proposed conditions –Low-Density Single-Family Development Project Area Total Site Area based on boundary (acres) 117.07 Total SWMP Area including Offsite Area (acres) 172.739 Existing Site Impervious (acres)** 1.145 Post Construction Site Impervious (acres) 5.345 New (Increase) in Site Impervious Area (acres) 4.20 Total Disturbed Area (acres)*** 14.912 **Existing site impervious includes lot immediately adjacent to the 96 th St connection as it has been purchased by the developer. Additional rear yards that drain to BMP have been modeled but not included in calcs. *** Disturbed area includes offsite area to make connections to site and utility extensions The proposed development includes a total of 21 single family lots. The property currently contains topography varying in elevation from 942 ft (high point near west central point of the site) to 876 ft (Wetland 3 edge). Please refer to the preliminary plat submittal plan documents for additional design information on the proposed development. The stormwater management plan for proposed site conditions will meet the guidelines set forth by the City of Chanhassen and RPBCWD regarding stormwater discharge rate control, water quality, and volume abstraction. The plan will also meet rules for erosion and sediment control. The following criterion was used in designing the stormwater management system: Rate Control:  Post-development peak runoff rates from the site for the 2, 10, 100-yr, 10 day-100 yr Snowmelt MSE 3 24-hr storm events must not be greater than the existing condition rates. Erhart Farm _ Stormwater Management Study September 28th, 2021 Alliant Engineering, Inc. Page 2 of 10 200-090 Water Quality:  If the project conforms to the 1.1-inch rule there is no further pollutant removal requirement  No net increase for TSS, TP, and annual volume runoff Infiltration/Volume Control:  Infiltration of stormwater is required for a volume that is equal to or greater than 1.1 inches of runoff from the new impervious area created by the development.  Infiltration should occur within 48 hours or less. Wetland Protection:  Proposed discharge to wetland should not alter the bounce in water level.  Discharge to Wetlands 2,3 and 4 must be treated to 90% TSS and 60% TP or 1.1” over impervious surface. Runoff Rate Control All rate control calculations have been performed using the SCS method via HydroCAD software. HydroCAD curve numbers were used for all calculations. Three events were modeled including: the 2- year, 10-year and 100-year, 10 day-100 yr Snowmelt event, MSE 3 24-hour storm events with ATLAS-14 precipitation amounts of 2.87, 4.26, 7.38, and 7.20 inches used, respectively. The analysis demonstrates that the proposed peak rates of runoff from the site are equal or less than the pre-development rates for all modeled events. Existing Conditions The existing project area includes a total on-site impervious surface area of 0.910 acres The site currently consists of primarily open space with a single family home, forested areas, and green space. Soil types were determined from the Geotechnical Report (attached in Appendix). Based on given information the site was modeled in HydroCAD with generally D soils. Curve numbers were approximated based on land cover types from aerial photos. Offsite drainage flows through the site due to being downstream of higher ground. Offsite area was included in the design to ensure correct water levels in existing and preserved wetlands. To compare peak discharge rates and volumes for the existing and proposed conditions, flows were analyzed at 6 discharge locations. Refer to existing conditions drainage map and HydroCAD results for additional information and calculations. Erhart Farm _ Stormwater Management Study September 28th, 2021 Alliant Engineering, Inc. Page 3 of 10 200-090 Pre-Development Runoff Rates as calculated by HydroCAD: Rainfall Event Wetland 1 Wetland 2 Wetland 3 Wetland 4 Wetland 4 Outlet Wetland 3 Outlet [cfs] [cfs] [cfs] [cfs] [cfs] [cfs] 2-year (2.87”) 1.01 23.86 127.17 44.71 8.92 3.93 10-year (4.26”) 2.08 48.72 244.94 80.90 23.31 8.81 100-year (7.38”) 4.71 131.92 548.08 213.02 57.94 17.80 10 day-100 yr Snowmelt 0.10 10.88 26.77 8.51 8.03 11.37 Proposed Conditions The proposed development will disturb 14.912 acres and includes a total on-site impervious surface area and offsite disturbed or new impervious of 5.345 acres. The proposed development will use a pond with infiltration and pretreatment to provide water quality, rate control, and volume abstraction for the development. This best management practice (BMP) was the best option suitable for site conditions. Rate Control The proposed stormwater management plan decreases the total peak discharge rates to at or below existing conditions for all modeled events. Refer to proposed conditions drainage map and HydroCAD results for additional information and calculations. Post-Development Runoff Rates as calculated by HydroCAD: Rainfall Event Wetland 1 Wetland 2 Wetland 3 Wetland 4 Wetland 4 Outlet Wetland 3 Outlet [cfs] [cfs] [cfs] [cfs] [cfs] [cfs] 2-year (2.87”) 0.59 23.26 80.71 44.03 8.76 3.75 10-year (4.26”) 1.21 47.36 169.23 79.45 22.84 8.64 100-year (7.38”) 2.74 128.83 374.58 211.77 57.77 17.79 10 day-100 yr Snowmelt 0.06 10.75 26.86 8.52 8.05 11.39 See preliminary plat plans for EOF info, HWL’s and OCS structure details. Stormwater Volume Abstraction Volume Required Because the project disturbs more than 50% of the existing site impervious area and increases the overall site impervious area by more than 50%, the total volume required must be a 1.1” abstraction of the entire site impervious area, per RPBCWD rules. Parcel impervious = 232,828 SF (5.345 acres) Required Abstraction for development: Erhart Farm _ Stormwater Management Study September 28th, 2021 Alliant Engineering, Inc. Page 4 of 10 200-090 1.1 𝑖𝑛 (𝑎𝑏𝑠𝑡𝑟𝑎𝑐𝑡𝑖𝑜𝑛)∗1 𝑓𝑡 12 𝑖𝑛∗ (232,828 𝑠𝑓) = 21,343 𝑐𝑓 The site will meet abstraction through an infiltration basin on the southern portion of the site prior to discharging to wetland 3. Volume Provided Due to disturbed land being tributary to the medium grade wetlands, BMP’s were installed in order to meet the 90% TSS removal and the 60% TP removal and the no net increase in TSS and TP. The infiltration basin and associated discharge does not require a 90%/60% requirement as it meets the abstraction requirement. For calculation purposes, the basin was modeled using soils with an infiltration rate of 1.2 in/hr. See table below for infiltration depth in each basin. OCS to be constructed to control release of runoff and set infiltration depths. See planset for OCS details. The filtration basin maintains 3’ separation from groundwater levels per MPCA requirements. See planset and Geotech report for further details. Filtration Volume Summary Basin Volume Required Volume Provided Depth Infiltration Rate Drawdown Time IB-1 21,343 CF 27,728 CF 1.5’ (18 in) 1.2 in/hr* 15 hrs Filtration-2 Sized for Removal % 638 1.5’ (18 in) 0.8 in/hr 22.5 hrs Filtration-4 Sized for Removal % 6,339 1.5’ (18 in) 0.375 in/hr** 48 hrs *0.375”/hr required to meet drawdown. 1.2 in/hr used for rate calculations. Measured rates were higher. See geotechnical report. **Required to meet drawdown. Measured rates were higher. See geotechnical report. Water Quality Water quality was modeled in MIDS to meet both watershed and city requirements for nutrient removal. Additionally, sump manholes and baffles will be installed in the structures immediately upstream of the pond before discharging to pond. MIDS was used to model to show No net increase in TP, TSS and Annual Volume* for BMP’s. Additionally, to be conservative sumps and baffles were not modeled in MIDS. See MIDS results in Appendix. Discharge to medium grade wetlands (wetlands 2, 3, and 4) must meet 90% TSS and 60% TP removals. Discharge to high grade wetlands (wetland 1) must meet 90% TSS and 75% TP, however buffer is self-treating so all disturbed area is buffered and zero impervious surface is routed to wetland 1. Wetland 3 meets abstraction criteria which excludes it from the 60% TP and 90% TSS requirement. Summary of MIDS results: Wetland 2 TSS Loading (lbs) TP Loading (lbs) Removal % 90% 76% Erhart Farm _ Stormwater Management Study September 28th, 2021 Alliant Engineering, Inc. Page 5 of 10 200-090 Wetland 4 TSS Loading (lbs) TP Loading (lbs) Removal % 100% 100% Total TSS Loading (lbs) TP Loading (lbs) Existing 853.3 4.698 Proposed 375.3 2.167 Removal % 88% 87% Pond Sizing Criteria  Dead (or permanent) storage of at least 1800 cubic feet per acre (=1/2 inch of impervious area) that drains to the pond Pond Storage=63,977 cubic feet. Proposed Area Draining=21.165 Acres  The pond’s permanent storage volume must reach a minimum depth of at least 3 feet and must have no depth greater than 10 feet. The basin must be configured such that scour or resuspension of solids is minimized. 10’ of depth provided.  Flow path length to pond width ratio > 10:1 (scouring occurs at ratios greater than 10:1) 2 flow paths are required as an inlet is provided at the north and south edge of the pond. Flow path form the north=119.93’ and the pond width is measured at 93.0’ which gives a ratio of 1.3:1 which below the ratio where scouring would occur. Flow path form the south=134.2’ and the pond width is measured at 93.0’ which gives a ratio of 1.44:1 which below the ratio where scouring would occur. Wetland Protection: As shown when discussing proposed runoff, rates going to the wetland will be below existing rates for the 2-, 10-, 100-year events and 10 day-100 year snowmelt. Additionally, the pond/infiltration basin will be the primary outlet for stormwater, which meets the required phosphorus and TSS removal efficiency required for the wetland. Direct discharge to the wetland will only occur as part of disconnected rooftops. The watershed has 4 requirements for wetlands shown below: Erhart Farm _ Stormwater Management Study September 28th, 2021 Alliant Engineering, Inc. Page 6 of 10 200-090 Wetland 1 Rainfall Event Ex. Bounce Ex. Inundation Pr. Bounce Pr. Inundation [ft] [hrs] [ft] [hrs] 1-year (2.50”) - 64.0 - 63.2 2-year (2.87”) - 66.2 - 65.4 10-year (4.26”) 1.14 71.8 0.93 68.0 Wetland 2 Rainfall Event Ex. Bounce Ex. Inundation Pr. Bounce Pr. Inundation [ft] [hrs] [ft] [hrs] 1-year (2.50”) - 56.2 - 56.0 2-year (2.87”) - 59.0 - 59.5 10-year (4.26”) 0.22 65.8 0.22 66.5 Wetland 3 Rainfall Event Ex. Bounce Ex. Inundation Pr. Bounce Pr. Inundation [ft] [hrs] [ft] [hrs] 1-year (2.50”) - 448.5 - 460.4 2-year (2.87”) - 455.0 - 465.0 10-year (4.26”) 1.20 470.5 1.20 470.5 Wetland 4 Rainfall Event Ex. Bounce Ex. Inundation Pr. Bounce Pr. Inundation Erhart Farm _ Stormwater Management Study September 28th, 2021 Alliant Engineering, Inc. Page 7 of 10 200-090 [ft] [hrs] [ft] [hrs] 1-year (2.50”) - 111.0 - 111.0 2-year (2.87”) - 113.8 - 114.0 10-year (4.26”) 0.45 120.6 0.45 120.5 The above tables summarize the required info. Based on the runoff rates and volume routed to these wetlands there will be no detrimental effects to these wetlands from the proposed development. The runout elevation for the wetland will not be changed. An additional requirement is floodplain storage for the fill placed in Wetland 1 needs to be replaced. See exhibits showing no decrease in floodplain storage for the wetland. No downstream effects will occur as all water is routed to proposed BMP’s through storm sewer. Homes adjacent to the wetland are up to 4’ above the HWL and separated by a roadway, the EOF is away from all the garage opening elevations. The subcatchment area tributary to this wetland is very small and will not result in flooding related issues. Low Floor to HWL Table Erhart Farm _ Stormwater Management Study September 28th, 2021 Alliant Engineering, Inc. Page 8 of 10 200-090 Erosion and Sediment Control Plan The following Best Management Practices (BMP’s) are proposed for the project. Temporary erosion control devices shown on the grading plan to provide sediment control during project construction include:  Silt fence  Rock construction entrance  Inlet sediment barriers at catch basins  Diversion berms  Erosion Control Blanket Permanent erosion control devices shown to be installed include: Block/Lot LFE HWL B1 L1 891.3 882.03 B1 L2 896.8 882.03 B1 L3 897.5 882.03 B1 L4 900.2 882.03 B1 L5 902.4 877.1 B1 L6 904.0 877.1 B1 L7 902.4 877.1 B1 L8 901.5 877.1 B1 L9 898.8 877.1 B1 L10 896.1 877.1 B1 L11 891.9 877.1 B1 L12 891.6 877.1 B1 L13 891.6 877.1 B1 L14 891.6 885.5 B1 L15 892.6 885.5 B1 L16 893.8 885.5 B1 L17 896.0 885.5 B2 L1 895.3 B2 L2 894.6 B2 L3 894.2 B2 L4 895.0 731 96th St 893.4 885.5 721 96th St 893.4 885.5 711 96th st 892.0 885.5 701 96th St 886.1 877.1 631 96th St 888.0 877.1 621 96th St 882.7 877.1 611 96th St 882.4 877.1 601 96th st 882.4 877.1 Erhart Farm _ Stormwater Management Study September 28th, 2021 Alliant Engineering, Inc. Page 9 of 10 200-090  Rip rap at storm sewer pipe outlets  Turf reinforcement mat at emergency spillways  Turf establishment including seeding, sodding, vegetation, etc. Conclusion Alliant Engineering believes that the proposed stormwater management plan is acceptable for all parties involved. The total proposed peak discharge rates for the 2-year, 10-year, 100-year and 10 day-100 yr snowmelt 24-hour storm events will be matched or reduced from existing conditions modeled rates. The proposed stormwater management system meets the volume abstraction requirements with the use of an infiltration/filtration basin. Water quality requirements are provided through the same infiltration/filtration basin and provide the TP and TSS removal efficiencies required. The proposed grading and erosion control plan will utilize BMPs whenever possible to provide adequate erosion control measures to prevent erosion and contain sediment during construction. Please call me at 612-767-9356 with any questions or comments regarding storm water issues for The Erhart Farm development project. Sincerely, Seth Loken, PE Alliant Engineering, Inc. CC: File 200-090 Black Cherry Development Erhart Farm _ Stormwater Management Study September 28th, 2021 Alliant Engineering, Inc. Page 10 of 10 200-090 APPENDIX - Existing Conditions Drainage & Cover Map - Existing Conditions - HydroCAD Results - Proposed Conditions Drainage & Cover Map - Proposed Conditions – HydroCAD Results - MIDS Results - Storm sewer Sizing Spreadsheet - Geotechnical Report - Wetland Delineation Report - Low Floor elevations for 96th St - Foxwood Development PDRN map ERHART FARM EXISTING CONDITIONS DRAINAGE MAP 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700FOR REVIEW ONLYPRELIMINARYNOT FOR CONSTRUCTION LEGEND S89°34'34"W 450.00S00°28'49"E 290.40 S89°34'34"W 150.00N00°28'49"W 290.40 S89°34'34"W 300.00S89°53'00"E 514.70(M)N00°02'05"W167.28 N48°05'58"W61.09N00°02'05"W201.86 N00°28'49"W 290.40 N89°34'34"E 447.59N41°54'02"E134.40R=330.00L=66.00=11°27'30"C.Brg=N42°22'13"WC=65.89R=703.00L=435.88Δ=35°31'29"N54°55'43"W 515.59R=635.83L=195.96Δ=17°39'30"R=358.31L=237.58Δ=37°59'27"R=1069.13L=138.63Δ=7°25'46"S64°26'53"E 10.91EXCEPTIONEAGLE RIDGE ROAD STATE TRUNK HWY. NO. 101(GREAT PLAINS BLVD.)96TH STREETERHART FARM EXISTING CONDITIONS DRAINAGE MAP 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700FOR REVIEW ONLYPRELIMINARYNOT FOR CONSTRUCTION LEGEND 8S Waterbody 18S Area - B3 (PERV) 19S Area - C2 (PERV) 20S Area - C2 (IMP) 27S Area - C3 47S Area - B3 (IMP) 48S Area - B4 D-3A Direct Runoff to IB2 D-3B Runoff to IB2 D-3C Runoff to IB2 D-W2 Runoff to W2 DW-3 Wetland 3 E-1 Wetland 1 Tributary Area E-2 NORTHEAST AREA E-3 SOUTH AREA OFF-1 SOUTH OFFSITE OFF-2 OFF-2 OFF-IB2 Offiste Runoff to IB2 SW SW Waterbody (undelineated water body) W4 Wetland 4 Runoff 1P Wetland 1 2P Wetland 2 Erhart Farm 3P SW Waterbody (undelineated water body) 7P Undelineated Waterbody 17P POND1 25P POND2 IB-2 IB-2 W-3 Wetland 3 (Wetland C from TH 101) W-3A Wetland 3A W-4 Wetland 4 Routing Diagram for 20090edrn Prepared by {enter your company name here}, Printed 9/28/2021 HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcat Reach Pond Link 20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 2HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Rainfall Events Listing (selected events) Event# Event Name Storm Type Curve Mode Duration (hours) B/B Depth (inches) AMC 1 2-Year MSE 24-hr 3 Default 24.00 1 2.87 2 2 10-Year MSE 24-hr 3 Default 24.00 1 4.26 2 3 100-Year MSE 24-hr 3 Default 24.00 1 7.38 2 4 NURP/1 year MSE 24-hr 3 Default 24.00 1 2.50 2 20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 3HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area Listing (selected nodes) Area (acres) CN Description (subcatchment-numbers) 23.303 65 2 acre lots, 12% imp, HSG B (18S, 19S) 4.549 74 >75% Grass cover, Good, HSG C (D-3A, D-3B, D-3C, D-W2) 11.069 80 >75% Grass cover, Good, HSG D (E-3, OFF-1, OFF-2) 2.040 98 Imp - Pro Roadway (47S) 3.285 98 Imp - Pro roadway (20S) 1.922 98 Imp - ex parking lot (47S) 1.160 98 Impervious, HSG D (E-3) 13.673 78 Meadow, non-grazed, HSG D (DW-3) 0.124 98 Paved roads w/curbs & sewers, HSG D (OFF-1) 1.008 98 Pond NWL (27S, 48S) 1.877 98 Roofs, HSG C (D-3A, D-3B, D-3C, D-W2) 1.373 98 Roofs, HSG D (OFF-2) 0.357 98 Unconnected roofs, HSG D (SW, W4) 1.069 65 Upland (27S, 48S) 6.441 98 Water Surface, 0% imp, HSG D (8S, DW-3) 5.731 98 Water Surface, HSG D (SW) 7.524 98 Wetland (D-W2, W4) 3.086 60 Woods, Fair, HSG B (D-3A, D-3B, D-W2, OFF-IB2) 1.474 55 Woods, Good, HSG B (OFF-IB2) 40.484 77 Woods, Good, HSG D (8S, D-W2, E-1, E-2, E-3, W4) 37.458 82 Woods/grass comb., Fair, HSG D (SW, W4) 3.495 79 Woods/grass comb., Good, HSG D (8S) 20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 4HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Soil Listing (selected nodes) Area (acres) Soil Group Subcatchment Numbers 0.000 HSG A 27.863 HSG B 18S, 19S, D-3A, D-3B, D-W2, OFF-IB2 6.426 HSG C D-3A, D-3B, D-3C, D-W2 121.365 HSG D 8S, D-W2, DW-3, E-1, E-2, E-3, OFF-1, OFF-2, SW, W4 16.848 Other 20S, 27S, 47S, 48S, D-W2, W4 MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 5HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-600.00 hrs, dt=0.01 hrs, 60001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=7.704 ac 0.00% Impervious Runoff Depth=1.15"Subcatchment 8S: Waterbody Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ Runoff=16.34 cfs 0.736 af Runoff Area=3.710 ac 12.00% Impervious Runoff Depth=0.45"Subcatchment 18S: Area - B3 (PERV) Tc=20.0 min CN=65 Runoff=1.39 cfs 0.138 af Runoff Area=19.593 ac 12.00% Impervious Runoff Depth=0.45"Subcatchment 19S: Area - C2 (PERV) Tc=20.0 min CN=65 Runoff=7.32 cfs 0.731 af Runoff Area=3.285 ac 100.00% Impervious Runoff Depth=2.64"Subcatchment 20S: Area - C2 (IMP) Tc=20.0 min CN=98 Runoff=8.79 cfs 0.722 af Runoff Area=1.285 ac 52.76% Impervious Runoff Depth=1.60"Subcatchment 27S: Area - C3 Tc=5.0 min CN=WQ Runoff=3.41 cfs 0.172 af Runoff Area=3.962 ac 100.00% Impervious Runoff Depth=2.64"Subcatchment 47S: Area - B3 (IMP) Tc=20.0 min CN=WQ Runoff=10.60 cfs 0.871 af Runoff Area=0.792 ac 41.67% Impervious Runoff Depth=1.36"Subcatchment 48S: Area - B4 Tc=5.0 min CN=WQ Runoff=1.78 cfs 0.090 af Runoff Area=1.176 ac 7.31% Impervious Runoff Depth=0.94"Subcatchment D-3A: Direct Runoff to IB2 Tc=5.0 min CN=WQ Runoff=2.06 cfs 0.092 af Runoff Area=1.414 ac 43.35% Impervious Runoff Depth=1.56"Subcatchment D-3B: Runoff to IB2 Tc=9.5 min CN=WQ Runoff=3.12 cfs 0.184 af Runoff Area=1.658 ac 54.89% Impervious Runoff Depth=1.82"Subcatchment D-3C: Runoff to IB2 Tc=8.2 min CN=WQ Runoff=4.54 cfs 0.252 af Runoff Area=11.436 ac 28.69% Impervious Runoff Depth=1.29"Subcatchment D-W2: Runoff to W2 Flow Length=590' Tc=14.9 min CN=WQ Runoff=17.09 cfs 1.228 af Runoff Area=19.586 ac 0.00% Impervious Runoff Depth=1.52"Subcatchment DW-3: Wetland 3 Tc=8.0 min CN=WQ Runoff=46.93 cfs 2.482 af Runoff Area=0.518 ac 0.00% Impervious Runoff Depth=0.98"Subcatchment E-1: Wetland 1 Tributary Area Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 Runoff=1.01 cfs 0.042 af Runoff Area=2.260 ac 0.00% Impervious Runoff Depth=0.98"Subcatchment E-2: NORTHEAST AREA Flow Length=282' Slope=0.0975 '/' Tc=4.0 min CN=77 Runoff=4.54 cfs 0.185 af Runoff Area=24.030 ac 4.83% Impervious Runoff Depth=1.07"Subcatchment E-3: SOUTH AREA Flow Length=520' Slope=0.0730 '/' Tc=7.4 min CN=WQ Runoff=43.67 cfs 2.140 af Runoff Area=1.032 ac 12.02% Impervious Runoff Depth=1.33"Subcatchment OFF-1: SOUTH OFFSITE Tc=7.0 min CN=WQ Runoff=2.37 cfs 0.115 af MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 6HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Runoff Area=10.624 ac 12.92% Impervious Runoff Depth=1.35"Subcatchment OFF-2: OFF-2 Tc=8.0 min CN=WQ Runoff=23.43 cfs 1.191 af Runoff Area=2.070 ac 0.00% Impervious Runoff Depth=0.20"Subcatchment OFF-IB2: Offiste Runoff to IB2 Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ Runoff=0.19 cfs 0.034 af Runoff Area=35.775 ac 16.69% Impervious Runoff Depth=1.50"Subcatchment SW: SW Waterbody Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ Runoff=84.91 cfs 4.486 af Runoff Area=20.592 ac 22.47% Impervious Runoff Depth=1.46"Subcatchment W4: Wetland 4 Runoff Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ Runoff=44.71 cfs 2.513 af Peak Elev=905.07' Storage=1,633 cf Inflow=1.01 cfs 0.042 afPond 1P: Wetland 1 Discarded=0.01 cfs 0.042 af Primary=0.00 cfs 0.000 af Outflow=0.01 cfs 0.042 af Peak Elev=879.13' Storage=18,213 cf Inflow=23.86 cfs 8.489 afPond 2P: Wetland 2 Erhart Farm Outflow=17.71 cfs 8.488 af Peak Elev=900.61' Storage=142,469 cf Inflow=84.91 cfs 4.486 afPond 3P: SW Waterbody (undelineated Outflow=2.33 cfs 3.956 af Peak Elev=896.27' Storage=30,538 cf Inflow=16.69 cfs 4.692 afPond 7P: Undelineated Waterbody Outflow=2.83 cfs 4.094 af Peak Elev=877.19' Storage=75,539 cf Inflow=12.36 cfs 1.100 afPond 17P: POND1 Outflow=5.57 cfs 1.099 af Peak Elev=877.01' Storage=3.196 af Inflow=16.50 cfs 1.625 afPond 25P: POND2 Outflow=4.92 cfs 1.624 af Peak Elev=893.00' Storage=15,293 cf Inflow=9.45 cfs 0.562 afPond IB-2: IB-2 Discarded=0.02 cfs 0.092 af Primary=0.53 cfs 0.470 af Outflow=0.55 cfs 0.562 af Peak Elev=875.36' Storage=478,577 cf Inflow=127.17 cfs 17.139 afPond W-3: Wetland 3 (Wetland C from 28.5" x 18.0", R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' Outflow=3.93 cfs 17.034 af Peak Elev=892.96' Storage=2,188 cf Inflow=8.92 cfs 6.606 afPond W-3A: Wetland 3A Outflow=8.89 cfs 6.606 af Peak Elev=894.25' Storage=51,373 cf Inflow=44.71 cfs 6.607 afPond W-4: Wetland 4 Outflow=8.92 cfs 6.606 af MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 7HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 8S: Waterbody Runoff = 16.34 cfs @ 12.13 hrs, Volume= 0.736 af, Depth= 1.15" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 3.495 79 Woods/grass comb., Good, HSG D 0.528 98 Water Surface, 0% imp, HSG D 3.681 77 Woods, Good, HSG D 7.704 Weighted Average 7.704 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.6 335 0.0596 1.00 Lag/CN Method, Summary for Subcatchment 18S: Area - B3 (PERV) Runoff = 1.39 cfs @ 12.36 hrs, Volume= 0.138 af, Depth= 0.45" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 3.710 65 2 acre lots, 12% imp, HSG B 3.265 88.00% Pervious Area 0.445 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 19S: Area - C2 (PERV) Runoff = 7.32 cfs @ 12.36 hrs, Volume= 0.731 af, Depth= 0.45" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 19.593 65 2 acre lots, 12% imp, HSG B 17.242 88.00% Pervious Area 2.351 12.00% Impervious Area MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 8HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 20S: Area - C2 (IMP) Runoff = 8.79 cfs @ 12.29 hrs, Volume= 0.722 af, Depth= 2.64" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description * 3.285 98 Imp - Pro roadway 3.285 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 27S: Area - C3 Runoff = 3.41 cfs @ 12.12 hrs, Volume= 0.172 af, Depth= 1.60" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description * 0.607 65 Upland * 0.678 98 Pond NWL 1.285 Weighted Average 0.607 47.24% Pervious Area 0.678 52.76% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment 47S: Area - B3 (IMP) Runoff = 10.60 cfs @ 12.29 hrs, Volume= 0.871 af, Depth= 2.64" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description * 1.922 98 Imp - ex parking lot * 2.040 98 Imp - Pro Roadway 3.962 Weighted Average 3.962 100.00% Impervious Area MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 9HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 48S: Area - B4 Runoff = 1.78 cfs @ 12.13 hrs, Volume= 0.090 af, Depth= 1.36" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description * 0.330 98 Pond NWL * 0.462 65 Upland 0.792 Weighted Average 0.462 58.33% Pervious Area 0.330 41.67% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3A: Direct Runoff to IB2 Runoff = 2.06 cfs @ 12.13 hrs, Volume= 0.092 af, Depth= 0.94" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.086 98 Roofs, HSG C 1.051 74 >75% Grass cover, Good, HSG C 0.039 60 Woods, Fair, HSG B 1.176 Weighted Average 1.090 92.69% Pervious Area 0.086 7.31% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3B: Runoff to IB2 Runoff = 3.12 cfs @ 12.17 hrs, Volume= 0.184 af, Depth= 1.56" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 10HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description 0.613 98 Roofs, HSG C 0.135 60 Woods, Fair, HSG B 0.666 74 >75% Grass cover, Good, HSG C 1.414 Weighted Average 0.801 56.65% Pervious Area 0.613 43.35% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 Direct Entry, Summary for Subcatchment D-3C: Runoff to IB2 Runoff = 4.54 cfs @ 12.16 hrs, Volume= 0.252 af, Depth= 1.82" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.910 98 Roofs, HSG C 0.748 74 >75% Grass cover, Good, HSG C 1.658 Weighted Average 0.748 45.11% Pervious Area 0.910 54.89% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.2 Direct Entry, Summary for Subcatchment D-W2: Runoff to W2 Runoff = 17.09 cfs @ 12.24 hrs, Volume= 1.228 af, Depth= 1.29" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.268 98 Roofs, HSG C 2.316 60 Woods, Fair, HSG B * 3.013 98 Wetland 2.084 74 >75% Grass cover, Good, HSG C 3.755 77 Woods, Good, HSG D 11.436 Weighted Average 8.155 71.31% Pervious Area 3.281 28.69% Impervious Area MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 11HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.4 400 0.1300 1.53 Lag/CN Method, 10.5 190 0.0700 0.30 Sheet Flow, backyard swale Grass: Short n= 0.150 P2= 2.87" 14.9 590 Total Summary for Subcatchment DW-3: Wetland 3 Runoff = 46.93 cfs @ 12.15 hrs, Volume= 2.482 af, Depth= 1.52" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 5.913 98 Water Surface, 0% imp, HSG D 13.673 78 Meadow, non-grazed, HSG D 19.586 Weighted Average 19.586 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Summary for Subcatchment E-1: Wetland 1 Tributary Area Runoff = 1.01 cfs @ 12.12 hrs, Volume= 0.042 af, Depth= 0.98" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.518 77 Woods, Good, HSG D 0.518 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.6 101 0.0146 0.37 Lag/CN Method, Summary for Subcatchment E-2: NORTHEAST AREA Runoff = 4.54 cfs @ 12.12 hrs, Volume= 0.185 af, Depth= 0.98" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 12HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description 2.260 77 Woods, Good, HSG D 2.260 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.0 282 0.0975 1.16 Lag/CN Method, Summary for Subcatchment E-3: SOUTH AREA Runoff = 43.67 cfs @ 12.15 hrs, Volume= 2.140 af, Depth= 1.07" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 21.960 77 Woods, Good, HSG D * 1.160 98 Impervious, HSG D 0.910 80 >75% Grass cover, Good, HSG D 24.030 Weighted Average 22.870 95.17% Pervious Area 1.160 4.83% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.4 520 0.0730 1.17 Lag/CN Method, Summary for Subcatchment OFF-1: SOUTH OFFSITE Runoff = 2.37 cfs @ 12.15 hrs, Volume= 0.115 af, Depth= 1.33" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.908 80 >75% Grass cover, Good, HSG D 0.124 98 Paved roads w/curbs & sewers, HSG D 1.032 Weighted Average 0.908 87.98% Pervious Area 0.124 12.02% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.0 Direct Entry, MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 13HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-2: OFF-2 Runoff = 23.43 cfs @ 12.16 hrs, Volume= 1.191 af, Depth= 1.35" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 1.373 98 Roofs, HSG D 9.251 80 >75% Grass cover, Good, HSG D 10.624 Weighted Average 9.251 87.08% Pervious Area 1.373 12.92% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Summary for Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff = 0.19 cfs @ 12.51 hrs, Volume= 0.034 af, Depth= 0.20" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.596 60 Woods, Fair, HSG B 1.474 55 Woods, Good, HSG B 2.070 Weighted Average 2.070 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 21.9 430 0.0200 0.33 Lag/CN Method, Summary for Subcatchment SW: SW Waterbody (undelineated water body) Runoff = 84.91 cfs @ 12.17 hrs, Volume= 4.486 af, Depth= 1.50" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.240 98 Unconnected roofs, HSG D 5.731 98 Water Surface, HSG D 29.804 82 Woods/grass comb., Fair, HSG D 35.775 Weighted Average 29.804 83.31% Pervious Area 5.971 16.69% Impervious Area 0.240 4.02% Unconnected MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 14HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.0 678 0.0479 1.25 Lag/CN Method, Summary for Subcatchment W4: Wetland 4 Runoff Runoff = 44.71 cfs @ 12.18 hrs, Volume= 2.513 af, Depth= 1.46" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description * 4.511 98 Wetland 8.310 77 Woods, Good, HSG D 7.654 82 Woods/grass comb., Fair, HSG D 0.117 98 Unconnected roofs, HSG D 20.592 Weighted Average 15.964 77.53% Pervious Area 4.628 22.47% Impervious Area 0.117 2.53% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.8 640 0.0400 1.09 Lag/CN Method, Summary for Pond 1P: Wetland 1 Inflow Area = 0.518 ac, 0.00% Impervious, Inflow Depth = 0.98" for 2-Year event Inflow = 1.01 cfs @ 12.12 hrs, Volume= 0.042 af Outflow = 0.01 cfs @ 22.73 hrs, Volume= 0.042 af, Atten= 99%, Lag= 636.6 min Discarded = 0.01 cfs @ 22.73 hrs, Volume= 0.042 af Primary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 905.07' @ 22.73 hrs Surf.Area= 3,845 sf Storage= 1,633 cf Plug-Flow detention time= 3,626.0 min calculated for 0.042 af (100% of inflow) Center-of-Mass det. time= 3,625.9 min ( 4,450.6 - 824.6 ) Volume Invert Avail.Storage Storage Description #1 904.20' 3,809 cf Custom Stage Data (Prismatic) Listed below (Recalc) MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 15HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.20 219 0 0 904.40 745 96 96 904.60 1,744 249 345 904.80 2,611 435 781 905.00 3,507 612 1,393 905.20 4,539 805 2,197 905.40 5,789 1,033 3,230 905.50 5,789 579 3,809 Device Routing Invert Outlet Devices #1 Primary 905.33'14.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) #2 Discarded 904.20'0.060 in/hr Exfiltration over Surface area Phase-In= 0.01' Discarded OutFlow Max=0.01 cfs @ 22.73 hrs HW=905.07' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.01 cfs) Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=904.20' TW=874.63' (Dynamic Tailwater) 1=Sharp-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 2P: Wetland 2 Erhart Farm Inflow Area = 84.085 ac, 18.42% Impervious, Inflow Depth = 1.21" for 2-Year event Inflow = 23.86 cfs @ 12.25 hrs, Volume= 8.489 af Outflow = 17.71 cfs @ 12.47 hrs, Volume= 8.488 af, Atten= 26%, Lag= 12.8 min Primary = 17.71 cfs @ 12.47 hrs, Volume= 8.488 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 879.13' @ 12.47 hrs Surf.Area= 144,428 sf Storage= 18,213 cf Plug-Flow detention time= 36.7 min calculated for 8.488 af (100% of inflow) Center-of-Mass det. time= 35.9 min ( 1,634.1 - 1,598.2 ) Volume Invert Avail.Storage Storage Description #1 879.00' 180,180 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.00 131,609 0 0 880.00 228,751 180,180 180,180 Device Routing Invert Outlet Devices #1 Primary 879.00'148.4' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=17.71 cfs @ 12.47 hrs HW=879.13' TW=874.99' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 17.71 cfs @ 0.90 fps) MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 16HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 3P: SW Waterbody (undelineated water body) Inflow Area = 35.775 ac, 16.69% Impervious, Inflow Depth = 1.50" for 2-Year event Inflow = 84.91 cfs @ 12.17 hrs, Volume= 4.486 af Outflow = 2.33 cfs @ 15.10 hrs, Volume= 3.956 af, Atten= 97%, Lag= 176.0 min Primary = 2.33 cfs @ 15.10 hrs, Volume= 3.956 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 900.61' @ 15.10 hrs Surf.Area= 271,570 sf Storage= 142,469 cf Plug-Flow detention time= 1,341.2 min calculated for 3.956 af (88% of inflow) Center-of-Mass det. time= 1,293.0 min ( 2,091.8 - 798.8 ) Volume Invert Avail.Storage Storage Description #1 900.00' 537,615 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 900.00 90,358 0 0 900.20 256,659 34,702 34,702 901.00 285,893 217,021 251,722 902.00 285,893 285,893 537,615 Device Routing Invert Outlet Devices #1 Primary 900.15'2.3' long Sharp-Crested Vee/Trap Weir Cv= 2.62 (C= 3.28) Primary OutFlow Max=2.33 cfs @ 15.10 hrs HW=900.61' TW=896.27' (Dynamic Tailwater) 1=Sharp-Crested Vee/Trap Weir (Weir Controls 2.33 cfs @ 2.22 fps) Summary for Pond 7P: Undelineated Waterbody Inflow Area = 43.479 ac, 13.73% Impervious, Inflow Depth = 1.30" for 2-Year event Inflow = 16.69 cfs @ 12.13 hrs, Volume= 4.692 af Outflow = 2.83 cfs @ 14.96 hrs, Volume= 4.094 af, Atten= 83%, Lag= 169.7 min Primary = 2.83 cfs @ 14.96 hrs, Volume= 4.094 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 896.27' @ 14.96 hrs Surf.Area= 24,792 sf Storage= 30,538 cf Plug-Flow detention time= 756.5 min calculated for 4.094 af (87% of inflow) Center-of-Mass det. time= 212.5 min ( 2,103.6 - 1,891.0 ) Volume Invert Avail.Storage Storage Description #1 895.00' 73,404 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 895.00 23,009 0 0 896.09 24,792 26,052 26,052 897.00 24,792 22,561 48,612 898.00 24,792 24,792 73,404 MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 17HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 896.09'13.7' long x 22.6' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=2.83 cfs @ 14.96 hrs HW=896.27' TW=894.17' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 2.83 cfs @ 1.14 fps) Summary for Pond 17P: POND1 Inflow Area = 8.464 ac, 55.97% Impervious, Inflow Depth = 1.56" for 2-Year event Inflow = 12.36 cfs @ 12.29 hrs, Volume= 1.100 af Outflow = 5.57 cfs @ 12.59 hrs, Volume= 1.099 af, Atten= 55%, Lag= 17.8 min Primary = 5.57 cfs @ 12.59 hrs, Volume= 1.099 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 14,344 sf Storage= 57,207 cf Peak Elev= 877.19' @ 12.59 hrs Surf.Area= 16,503 sf Storage= 75,539 cf (18,332 cf above start) Plug-Flow detention time= (not calculated: initial storage exceeds outflow) Center-of-Mass det. time= 151.5 min ( 932.5 - 781.0 ) Volume Invert Avail.Storage Storage Description #1 866.00' 151,629 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 866.00 991 0 0 875.00 9,115 45,477 45,477 876.00 14,344 11,730 57,207 881.00 23,425 94,423 151,629 Device Routing Invert Outlet Devices #1 Primary 876.00'18.0" Round Culvert L= 48.0' Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0833 '/' Cc= 0.900 n= 0.013, Flow Area= 1.77 sf #2 Primary 879.50'10.0' long x 4.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.38 2.54 2.69 2.68 2.67 2.67 2.65 2.66 2.66 2.68 2.72 2.73 2.76 2.79 2.88 3.07 3.32 Primary OutFlow Max=5.57 cfs @ 12.59 hrs HW=877.19' TW=875.02' (Dynamic Tailwater) 1=Culvert (Inlet Controls 5.57 cfs @ 3.71 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 18HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 25P: POND2 Inflow Area = 24.163 ac, 26.13% Impervious, Inflow Depth = 0.81" for 2-Year event Inflow = 16.50 cfs @ 12.32 hrs, Volume= 1.625 af Outflow = 4.92 cfs @ 12.82 hrs, Volume= 1.624 af, Atten= 70%, Lag= 30.1 min Primary = 4.92 cfs @ 12.82 hrs, Volume= 1.624 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 0.678 ac Storage= 2.491 af Peak Elev= 877.01' @ 12.82 hrs Surf.Area= 0.719 ac Storage= 3.196 af (0.706 af above start) Plug-Flow detention time= (not calculated: initial storage exceeds outflow) Center-of-Mass det. time= 284.0 min ( 1,099.8 - 815.8 ) Volume Invert Avail.Storage Storage Description #1 869.00' 5.535 af Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (acres) (acre-feet) (acre-feet) 869.00 0.163 0.000 0.000 870.00 0.213 0.188 0.188 871.00 0.264 0.239 0.427 872.00 0.317 0.290 0.717 873.00 0.370 0.343 1.061 874.00 0.425 0.397 1.458 875.00 0.481 0.453 1.911 876.00 0.678 0.579 2.491 877.00 0.719 0.698 3.189 878.00 0.761 0.740 3.929 879.00 0.803 0.782 4.711 880.00 0.846 0.824 5.535 Device Routing Invert Outlet Devices #1 Primary 876.00'21.0" Round Culvert L= 50.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0800 '/' Cc= 0.900 n= 0.013, Flow Area= 2.41 sf #2 Primary 879.00'10.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=4.92 cfs @ 12.82 hrs HW=877.01' TW=875.06' (Dynamic Tailwater) 1=Culvert (Inlet Controls 4.92 cfs @ 3.42 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 19HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond IB-2: IB-2 Inflow Area = 6.318 ac, 25.47% Impervious, Inflow Depth = 1.07" for 2-Year event Inflow = 9.45 cfs @ 12.15 hrs, Volume= 0.562 af Outflow = 0.55 cfs @ 13.58 hrs, Volume= 0.562 af, Atten= 94%, Lag= 85.6 min Discarded = 0.02 cfs @ 13.58 hrs, Volume= 0.092 af Primary = 0.53 cfs @ 13.58 hrs, Volume= 0.470 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 893.00' @ 13.58 hrs Surf.Area= 15,903 sf Storage= 15,293 cf Plug-Flow detention time= 662.0 min calculated for 0.562 af (100% of inflow) Center-of-Mass det. time= 662.0 min ( 1,452.9 - 790.9 ) Volume Invert Avail.Storage Storage Description #1 891.00' 1,453 cf Infiltration Volume (D soils) (Prismatic) Listed below (Recalc) #2 891.24' 44,087 cf Live Storage (Prismatic) Listed below (Recalc) #3 890.00' 277 cf Forebay 1 (Prismatic) Listed below (Recalc) #4 890.00' 250 cf Forebay 2 (Prismatic) Listed below (Recalc) 46,066 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.00 5,475 0 0 891.24 6,632 1,453 1,453 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.24 6,632 0 0 892.00 7,418 5,339 5,339 894.00 9,630 17,048 22,387 896.00 12,070 21,700 44,087 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 160 0 0 891.00 393 277 277 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 146 0 0 891.00 354 250 250 Device Routing Invert Outlet Devices #1 Primary 886.70'12.0" Round 12" Outlet Pipe L= 87.4' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 886.70' / 886.00' S= 0.0080 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 0.79 sf #2 Discarded 890.00'0.060 in/hr Infiltration (D Soils) over Surface area Phase-In= 0.01' #3 Device 1 891.24'4.0" Vert. 4" Orifice C= 0.600 Limited to weir flow at low heads #4 Device 1 893.80'4.0' long x 0.5' breadth Weir MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 20HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.02 cfs @ 13.58 hrs HW=893.00' (Free Discharge) 2=Infiltration (D Soils) (Exfiltration Controls 0.02 cfs) Primary OutFlow Max=0.53 cfs @ 13.58 hrs HW=893.00' TW=879.09' (Dynamic Tailwater) 1=12" Outlet Pipe (Passes 0.53 cfs of 7.77 cfs potential flow) 3=4" Orifice (Orifice Controls 0.53 cfs @ 6.08 fps) 4=Weir ( Controls 0.00 cfs) Summary for Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Area = 172.502 ac, 16.93% Impervious, Inflow Depth = 1.19" for 2-Year event Inflow = 127.17 cfs @ 12.16 hrs, Volume= 17.139 af Outflow = 3.93 cfs @ 23.06 hrs, Volume= 17.034 af, Atten= 97%, Lag= 654.1 min Primary = 3.93 cfs @ 23.06 hrs, Volume= 17.034 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 875.36' @ 23.06 hrs Surf.Area= 834,711 sf Storage= 478,577 cf Plug-Flow detention time= 2,562.1 min calculated for 17.034 af (99% of inflow) Center-of-Mass det. time= 2,485.8 min ( 3,736.8 - 1,251.0 ) Volume Invert Avail.Storage Storage Description #1 874.63' 5,386,618 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 874.63 225,955 0 0 875.00 791,747 188,275 188,275 876.00 912,103 851,925 1,040,200 880.00 1,261,106 4,346,418 5,386,618 Device Routing Invert Outlet Devices #1 Primary 874.63'28.5" W x 18.0" H, R=14.8"/40.7" Pipe Arch RCP_Arch 29x18 L= 187.0' RCP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 874.63' / 872.83' S= 0.0096 '/' Cc= 0.900 n= 0.013, Flow Area= 2.79 sf Primary OutFlow Max=3.93 cfs @ 23.06 hrs HW=875.36' (Free Discharge) 1=RCP_Arch 29x18 (Inlet Controls 3.93 cfs @ 2.60 fps) Summary for Pond W-3A: Wetland 3A Inflow Area = 64.071 ac, 16.54% Impervious, Inflow Depth = 1.24" for 2-Year event Inflow = 8.92 cfs @ 12.56 hrs, Volume= 6.606 af Outflow = 8.89 cfs @ 12.61 hrs, Volume= 6.606 af, Atten= 0%, Lag= 3.2 min Primary = 8.89 cfs @ 12.61 hrs, Volume= 6.606 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 21HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Peak Elev= 892.96' @ 12.61 hrs Surf.Area= 3,002 sf Storage= 2,188 cf Plug-Flow detention time= 10.6 min calculated for 6.606 af (100% of inflow) Center-of-Mass det. time= 9.8 min ( 1,804.6 - 1,794.9 ) Volume Invert Avail.Storage Storage Description #1 892.00' 35,594 cf Wetland 3A (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 892.00 1,570 0 0 894.00 4,562 6,132 6,132 896.00 7,450 12,012 18,144 898.00 10,000 17,450 35,594 Device Routing Invert Outlet Devices #1 Device 2 892.00'42.0" Round 42" Culvert L= 40.9' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 892.00' / 889.00' S= 0.0733 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf #2 Primary 885.50'42.0" Round 42" Culvert L= 70.5' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 885.50' / 885.20' S= 0.0043 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf Primary OutFlow Max=8.88 cfs @ 12.61 hrs HW=892.96' TW=879.13' (Dynamic Tailwater) 2=42" Culvert (Passes 8.88 cfs of 125.29 cfs potential flow) 1=42" Culvert (Inlet Controls 8.88 cfs @ 4.16 fps) Summary for Pond W-4: Wetland 4 Inflow Area = 64.071 ac, 16.54% Impervious, Inflow Depth = 1.24" for 2-Year event Inflow = 44.71 cfs @ 12.18 hrs, Volume= 6.607 af Outflow = 8.92 cfs @ 12.56 hrs, Volume= 6.606 af, Atten= 80%, Lag= 23.2 min Primary = 8.92 cfs @ 12.56 hrs, Volume= 6.606 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 894.25' @ 12.56 hrs Surf.Area= 207,678 sf Storage= 51,373 cf Plug-Flow detention time= 193.0 min calculated for 6.606 af (100% of inflow) Center-of-Mass det. time= 188.5 min ( 1,794.9 - 1,606.4 ) Volume Invert Avail.Storage Storage Description #1 894.00' 441,167 cf Wetland 4 (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 894.00 203,377 0 0 896.00 237,790 441,167 441,167 MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 22HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 894.00'30.0' long x 5.0' breadth Natural Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=8.92 cfs @ 12.56 hrs HW=894.25' TW=892.95' (Dynamic Tailwater) 1=Natural Weir (Weir Controls 8.92 cfs @ 1.19 fps) MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 23HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-600.00 hrs, dt=0.01 hrs, 60001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=7.704 ac 0.00% Impervious Runoff Depth=2.23"Subcatchment 8S: Waterbody Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ Runoff=31.91 cfs 1.430 af Runoff Area=3.710 ac 12.00% Impervious Runoff Depth=1.18"Subcatchment 18S: Area - B3 (PERV) Tc=20.0 min CN=65 Runoff=4.54 cfs 0.366 af Runoff Area=19.593 ac 12.00% Impervious Runoff Depth=1.18"Subcatchment 19S: Area - C2 (PERV) Tc=20.0 min CN=65 Runoff=23.98 cfs 1.931 af Runoff Area=3.285 ac 100.00% Impervious Runoff Depth=4.02"Subcatchment 20S: Area - C2 (IMP) Tc=20.0 min CN=98 Runoff=13.16 cfs 1.102 af Runoff Area=1.285 ac 52.76% Impervious Runoff Depth=2.68"Subcatchment 27S: Area - C3 Tc=5.0 min CN=WQ Runoff=5.82 cfs 0.287 af Runoff Area=3.962 ac 100.00% Impervious Runoff Depth=4.02"Subcatchment 47S: Area - B3 (IMP) Tc=20.0 min CN=WQ Runoff=15.87 cfs 1.329 af Runoff Area=0.792 ac 41.67% Impervious Runoff Depth=2.37"Subcatchment 48S: Area - B4 Tc=5.0 min CN=WQ Runoff=3.21 cfs 0.156 af Runoff Area=1.176 ac 7.31% Impervious Runoff Depth=1.92"Subcatchment D-3A: Direct Runoff to IB2 Tc=5.0 min CN=WQ Runoff=4.33 cfs 0.188 af Runoff Area=1.414 ac 43.35% Impervious Runoff Depth=2.67"Subcatchment D-3B: Runoff to IB2 Tc=9.5 min CN=WQ Runoff=5.44 cfs 0.315 af Runoff Area=1.658 ac 54.89% Impervious Runoff Depth=3.02"Subcatchment D-3C: Runoff to IB2 Tc=8.2 min CN=WQ Runoff=7.56 cfs 0.417 af Runoff Area=11.436 ac 28.69% Impervious Runoff Depth=2.32"Subcatchment D-W2: Runoff to W2 Flow Length=590' Tc=14.9 min CN=WQ Runoff=31.83 cfs 2.215 af Runoff Area=19.586 ac 0.00% Impervious Runoff Depth=2.68"Subcatchment DW-3: Wetland 3 Tc=8.0 min CN=WQ Runoff=83.37 cfs 4.372 af Runoff Area=0.518 ac 0.00% Impervious Runoff Depth=2.02"Subcatchment E-1: Wetland 1 Tributary Area Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 Runoff=2.08 cfs 0.087 af Runoff Area=2.260 ac 0.00% Impervious Runoff Depth=2.02"Subcatchment E-2: NORTHEAST AREA Flow Length=282' Slope=0.0975 '/' Tc=4.0 min CN=77 Runoff=9.32 cfs 0.380 af Runoff Area=24.030 ac 4.83% Impervious Runoff Depth=2.12"Subcatchment E-3: SOUTH AREA Flow Length=520' Slope=0.0730 '/' Tc=7.4 min CN=WQ Runoff=88.08 cfs 4.252 af Runoff Area=1.032 ac 12.02% Impervious Runoff Depth=2.47"Subcatchment OFF-1: SOUTH OFFSITE Tc=7.0 min CN=WQ Runoff=4.40 cfs 0.212 af MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 24HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Runoff Area=10.624 ac 12.92% Impervious Runoff Depth=2.49"Subcatchment OFF-2: OFF-2 Tc=8.0 min CN=WQ Runoff=43.52 cfs 2.202 af Runoff Area=2.070 ac 0.00% Impervious Runoff Depth=0.71"Subcatchment OFF-IB2: Offiste Runoff to IB2 Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ Runoff=1.21 cfs 0.123 af Runoff Area=35.775 ac 16.69% Impervious Runoff Depth=2.69"Subcatchment SW: SW Waterbody Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ Runoff=151.66 cfs 8.030 af Runoff Area=20.592 ac 22.47% Impervious Runoff Depth=2.62"Subcatchment W4: Wetland 4 Runoff Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ Runoff=80.61 cfs 4.497 af Peak Elev=905.34' Storage=2,897 cf Inflow=2.08 cfs 0.087 afPond 1P: Wetland 1 Discarded=0.01 cfs 0.073 af Primary=0.05 cfs 0.014 af Outflow=0.06 cfs 0.087 af Peak Elev=879.23' Storage=32,139 cf Inflow=48.72 cfs 16.362 afPond 2P: Wetland 2 Erhart Farm Outflow=39.69 cfs 16.362 af Peak Elev=900.98' Storage=246,761 cf Inflow=151.66 cfs 8.030 afPond 3P: SW Waterbody (undelineated Outflow=5.72 cfs 7.500 af Peak Elev=896.48' Storage=35,694 cf Inflow=33.40 cfs 8.930 afPond 7P: Undelineated Waterbody Outflow=8.97 cfs 8.332 af Peak Elev=877.83' Storage=86,544 cf Inflow=21.22 cfs 1.851 afPond 17P: POND1 Outflow=8.85 cfs 1.850 af Peak Elev=877.92' Storage=3.865 af Inflow=38.34 cfs 3.320 afPond 25P: POND2 Outflow=11.81 cfs 3.318 af Peak Elev=894.09' Storage=25,256 cf Inflow=17.03 cfs 1.043 afPond IB-2: IB-2 Discarded=0.02 cfs 0.103 af Primary=2.49 cfs 0.940 af Outflow=2.51 cfs 1.043 af Peak Elev=875.85' Storage=900,671 cf Inflow=244.94 cfs 32.582 afPond W-3: Wetland 3 (Wetland C from 28.5" x 18.0", R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' Outflow=8.81 cfs 32.475 af Peak Elev=893.61' Storage=4,453 cf Inflow=23.31 cfs 12.828 afPond W-3A: Wetland 3A Outflow=23.24 cfs 12.828 af Peak Elev=894.45' Storage=93,804 cf Inflow=80.90 cfs 12.829 afPond W-4: Wetland 4 Outflow=23.31 cfs 12.828 af MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 25HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 8S: Waterbody Runoff = 31.91 cfs @ 12.13 hrs, Volume= 1.430 af, Depth= 2.23" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 3.495 79 Woods/grass comb., Good, HSG D 0.528 98 Water Surface, 0% imp, HSG D 3.681 77 Woods, Good, HSG D 7.704 Weighted Average 7.704 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.6 335 0.0596 1.00 Lag/CN Method, Summary for Subcatchment 18S: Area - B3 (PERV) Runoff = 4.54 cfs @ 12.33 hrs, Volume= 0.366 af, Depth= 1.18" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 3.710 65 2 acre lots, 12% imp, HSG B 3.265 88.00% Pervious Area 0.445 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 19S: Area - C2 (PERV) Runoff = 23.98 cfs @ 12.33 hrs, Volume= 1.931 af, Depth= 1.18" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 19.593 65 2 acre lots, 12% imp, HSG B 17.242 88.00% Pervious Area 2.351 12.00% Impervious Area MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 26HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 20S: Area - C2 (IMP) Runoff = 13.16 cfs @ 12.29 hrs, Volume= 1.102 af, Depth= 4.02" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description * 3.285 98 Imp - Pro roadway 3.285 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 27S: Area - C3 Runoff = 5.82 cfs @ 12.12 hrs, Volume= 0.287 af, Depth= 2.68" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description * 0.607 65 Upland * 0.678 98 Pond NWL 1.285 Weighted Average 0.607 47.24% Pervious Area 0.678 52.76% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment 47S: Area - B3 (IMP) Runoff = 15.87 cfs @ 12.29 hrs, Volume= 1.329 af, Depth= 4.02" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description * 1.922 98 Imp - ex parking lot * 2.040 98 Imp - Pro Roadway 3.962 Weighted Average 3.962 100.00% Impervious Area MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 27HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 48S: Area - B4 Runoff = 3.21 cfs @ 12.12 hrs, Volume= 0.156 af, Depth= 2.37" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description * 0.330 98 Pond NWL * 0.462 65 Upland 0.792 Weighted Average 0.462 58.33% Pervious Area 0.330 41.67% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3A: Direct Runoff to IB2 Runoff = 4.33 cfs @ 12.13 hrs, Volume= 0.188 af, Depth= 1.92" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.086 98 Roofs, HSG C 1.051 74 >75% Grass cover, Good, HSG C 0.039 60 Woods, Fair, HSG B 1.176 Weighted Average 1.090 92.69% Pervious Area 0.086 7.31% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3B: Runoff to IB2 Runoff = 5.44 cfs @ 12.17 hrs, Volume= 0.315 af, Depth= 2.67" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 28HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description 0.613 98 Roofs, HSG C 0.135 60 Woods, Fair, HSG B 0.666 74 >75% Grass cover, Good, HSG C 1.414 Weighted Average 0.801 56.65% Pervious Area 0.613 43.35% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 Direct Entry, Summary for Subcatchment D-3C: Runoff to IB2 Runoff = 7.56 cfs @ 12.15 hrs, Volume= 0.417 af, Depth= 3.02" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.910 98 Roofs, HSG C 0.748 74 >75% Grass cover, Good, HSG C 1.658 Weighted Average 0.748 45.11% Pervious Area 0.910 54.89% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.2 Direct Entry, Summary for Subcatchment D-W2: Runoff to W2 Runoff = 31.83 cfs @ 12.23 hrs, Volume= 2.215 af, Depth= 2.32" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.268 98 Roofs, HSG C 2.316 60 Woods, Fair, HSG B * 3.013 98 Wetland 2.084 74 >75% Grass cover, Good, HSG C 3.755 77 Woods, Good, HSG D 11.436 Weighted Average 8.155 71.31% Pervious Area 3.281 28.69% Impervious Area MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 29HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.4 400 0.1300 1.53 Lag/CN Method, 10.5 190 0.0700 0.30 Sheet Flow, backyard swale Grass: Short n= 0.150 P2= 2.87" 14.9 590 Total Summary for Subcatchment DW-3: Wetland 3 Runoff = 83.37 cfs @ 12.15 hrs, Volume= 4.372 af, Depth= 2.68" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 5.913 98 Water Surface, 0% imp, HSG D 13.673 78 Meadow, non-grazed, HSG D 19.586 Weighted Average 19.586 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Summary for Subcatchment E-1: Wetland 1 Tributary Area Runoff = 2.08 cfs @ 12.12 hrs, Volume= 0.087 af, Depth= 2.02" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.518 77 Woods, Good, HSG D 0.518 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.6 101 0.0146 0.37 Lag/CN Method, Summary for Subcatchment E-2: NORTHEAST AREA Runoff = 9.32 cfs @ 12.12 hrs, Volume= 0.380 af, Depth= 2.02" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 30HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description 2.260 77 Woods, Good, HSG D 2.260 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.0 282 0.0975 1.16 Lag/CN Method, Summary for Subcatchment E-3: SOUTH AREA Runoff = 88.08 cfs @ 12.15 hrs, Volume= 4.252 af, Depth= 2.12" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 21.960 77 Woods, Good, HSG D * 1.160 98 Impervious, HSG D 0.910 80 >75% Grass cover, Good, HSG D 24.030 Weighted Average 22.870 95.17% Pervious Area 1.160 4.83% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.4 520 0.0730 1.17 Lag/CN Method, Summary for Subcatchment OFF-1: SOUTH OFFSITE Runoff = 4.40 cfs @ 12.14 hrs, Volume= 0.212 af, Depth= 2.47" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.908 80 >75% Grass cover, Good, HSG D 0.124 98 Paved roads w/curbs & sewers, HSG D 1.032 Weighted Average 0.908 87.98% Pervious Area 0.124 12.02% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.0 Direct Entry, MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 31HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-2: OFF-2 Runoff = 43.52 cfs @ 12.15 hrs, Volume= 2.202 af, Depth= 2.49" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 1.373 98 Roofs, HSG D 9.251 80 >75% Grass cover, Good, HSG D 10.624 Weighted Average 9.251 87.08% Pervious Area 1.373 12.92% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Summary for Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff = 1.21 cfs @ 12.39 hrs, Volume= 0.123 af, Depth= 0.71" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.596 60 Woods, Fair, HSG B 1.474 55 Woods, Good, HSG B 2.070 Weighted Average 2.070 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 21.9 430 0.0200 0.33 Lag/CN Method, Summary for Subcatchment SW: SW Waterbody (undelineated water body) Runoff = 151.66 cfs @ 12.16 hrs, Volume= 8.030 af, Depth= 2.69" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.240 98 Unconnected roofs, HSG D 5.731 98 Water Surface, HSG D 29.804 82 Woods/grass comb., Fair, HSG D 35.775 Weighted Average 29.804 83.31% Pervious Area 5.971 16.69% Impervious Area 0.240 4.02% Unconnected MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 32HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.0 678 0.0479 1.25 Lag/CN Method, Summary for Subcatchment W4: Wetland 4 Runoff Runoff = 80.61 cfs @ 12.17 hrs, Volume= 4.497 af, Depth= 2.62" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description * 4.511 98 Wetland 8.310 77 Woods, Good, HSG D 7.654 82 Woods/grass comb., Fair, HSG D 0.117 98 Unconnected roofs, HSG D 20.592 Weighted Average 15.964 77.53% Pervious Area 4.628 22.47% Impervious Area 0.117 2.53% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.8 640 0.0400 1.09 Lag/CN Method, Summary for Pond 1P: Wetland 1 Inflow Area = 0.518 ac, 0.00% Impervious, Inflow Depth = 2.02" for 10-Year event Inflow = 2.08 cfs @ 12.12 hrs, Volume= 0.087 af Outflow = 0.06 cfs @ 14.77 hrs, Volume= 0.087 af, Atten= 97%, Lag= 158.9 min Discarded = 0.01 cfs @ 14.77 hrs, Volume= 0.073 af Primary = 0.05 cfs @ 14.77 hrs, Volume= 0.014 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 905.34' @ 14.77 hrs Surf.Area= 5,417 sf Storage= 2,897 cf Plug-Flow detention time= 3,869.7 min calculated for 0.087 af (100% of inflow) Center-of-Mass det. time= 3,869.7 min ( 4,678.8 - 809.1 ) Volume Invert Avail.Storage Storage Description #1 904.20' 3,809 cf Custom Stage Data (Prismatic) Listed below (Recalc) MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 33HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.20 219 0 0 904.40 745 96 96 904.60 1,744 249 345 904.80 2,611 435 781 905.00 3,507 612 1,393 905.20 4,539 805 2,197 905.40 5,789 1,033 3,230 905.50 5,789 579 3,809 Device Routing Invert Outlet Devices #1 Primary 905.33'14.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) #2 Discarded 904.20'0.060 in/hr Exfiltration over Surface area Phase-In= 0.01' Discarded OutFlow Max=0.01 cfs @ 14.77 hrs HW=905.34' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.01 cfs) Primary OutFlow Max=0.05 cfs @ 14.77 hrs HW=905.34' TW=875.68' (Dynamic Tailwater) 1=Sharp-Crested Rectangular Weir (Weir Controls 0.05 cfs @ 0.34 fps) Summary for Pond 2P: Wetland 2 Erhart Farm Inflow Area = 84.085 ac, 18.42% Impervious, Inflow Depth = 2.34" for 10-Year event Inflow = 48.72 cfs @ 12.26 hrs, Volume= 16.362 af Outflow = 39.69 cfs @ 12.46 hrs, Volume= 16.362 af, Atten= 19%, Lag= 11.9 min Primary = 39.69 cfs @ 12.46 hrs, Volume= 16.362 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 879.23' @ 12.46 hrs Surf.Area= 153,509 sf Storage= 32,139 cf Plug-Flow detention time= 27.6 min calculated for 16.362 af (100% of inflow) Center-of-Mass det. time= 27.1 min ( 1,426.4 - 1,399.3 ) Volume Invert Avail.Storage Storage Description #1 879.00' 180,180 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.00 131,609 0 0 880.00 228,751 180,180 180,180 Device Routing Invert Outlet Devices #1 Primary 879.00'148.4' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=39.69 cfs @ 12.46 hrs HW=879.23' TW=875.23' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 39.69 cfs @ 1.19 fps) MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 34HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 3P: SW Waterbody (undelineated water body) Inflow Area = 35.775 ac, 16.69% Impervious, Inflow Depth = 2.69" for 10-Year event Inflow = 151.66 cfs @ 12.16 hrs, Volume= 8.030 af Outflow = 5.72 cfs @ 13.68 hrs, Volume= 7.500 af, Atten= 96%, Lag= 90.7 min Primary = 5.72 cfs @ 13.68 hrs, Volume= 7.500 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 900.98' @ 13.68 hrs Surf.Area= 285,258 sf Storage= 246,761 cf Plug-Flow detention time= 1,026.1 min calculated for 7.500 af (93% of inflow) Center-of-Mass det. time= 994.5 min ( 1,784.5 - 790.0 ) Volume Invert Avail.Storage Storage Description #1 900.00' 537,615 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 900.00 90,358 0 0 900.20 256,659 34,702 34,702 901.00 285,893 217,021 251,722 902.00 285,893 285,893 537,615 Device Routing Invert Outlet Devices #1 Primary 900.15'2.3' long Sharp-Crested Vee/Trap Weir Cv= 2.62 (C= 3.28) Primary OutFlow Max=5.72 cfs @ 13.68 hrs HW=900.98' TW=896.43' (Dynamic Tailwater) 1=Sharp-Crested Vee/Trap Weir (Weir Controls 5.72 cfs @ 2.99 fps) Summary for Pond 7P: Undelineated Waterbody Inflow Area = 43.479 ac, 13.73% Impervious, Inflow Depth = 2.46" for 10-Year event Inflow = 33.40 cfs @ 12.13 hrs, Volume= 8.930 af Outflow = 8.97 cfs @ 12.56 hrs, Volume= 8.332 af, Atten= 73%, Lag= 25.5 min Primary = 8.97 cfs @ 12.56 hrs, Volume= 8.332 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 896.48' @ 12.56 hrs Surf.Area= 24,792 sf Storage= 35,694 cf Plug-Flow detention time= 411.6 min calculated for 8.332 af (93% of inflow) Center-of-Mass det. time= 97.4 min ( 1,724.3 - 1,626.9 ) Volume Invert Avail.Storage Storage Description #1 895.00' 73,404 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 895.00 23,009 0 0 896.09 24,792 26,052 26,052 897.00 24,792 22,561 48,612 898.00 24,792 24,792 73,404 MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 35HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 896.09'13.7' long x 22.6' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=8.97 cfs @ 12.56 hrs HW=896.48' TW=894.45' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 8.97 cfs @ 1.68 fps) Summary for Pond 17P: POND1 Inflow Area = 8.464 ac, 55.97% Impervious, Inflow Depth = 2.62" for 10-Year event Inflow = 21.22 cfs @ 12.29 hrs, Volume= 1.851 af Outflow = 8.85 cfs @ 12.61 hrs, Volume= 1.850 af, Atten= 58%, Lag= 19.1 min Primary = 8.85 cfs @ 12.61 hrs, Volume= 1.850 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 14,344 sf Storage= 57,207 cf Peak Elev= 877.83' @ 12.61 hrs Surf.Area= 17,672 sf Storage= 86,544 cf (29,338 cf above start) Plug-Flow detention time= 570.5 min calculated for 0.537 af (29% of inflow) Center-of-Mass det. time= 116.3 min ( 895.1 - 778.8 ) Volume Invert Avail.Storage Storage Description #1 866.00' 151,629 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 866.00 991 0 0 875.00 9,115 45,477 45,477 876.00 14,344 11,730 57,207 881.00 23,425 94,423 151,629 Device Routing Invert Outlet Devices #1 Primary 876.00'18.0" Round Culvert L= 48.0' Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0833 '/' Cc= 0.900 n= 0.013, Flow Area= 1.77 sf #2 Primary 879.50'10.0' long x 4.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.38 2.54 2.69 2.68 2.67 2.67 2.65 2.66 2.66 2.68 2.72 2.73 2.76 2.79 2.88 3.07 3.32 Primary OutFlow Max=8.85 cfs @ 12.61 hrs HW=877.83' TW=875.29' (Dynamic Tailwater) 1=Culvert (Inlet Controls 8.85 cfs @ 5.01 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 36HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 25P: POND2 Inflow Area = 24.163 ac, 26.13% Impervious, Inflow Depth = 1.65" for 10-Year event Inflow = 38.34 cfs @ 12.31 hrs, Volume= 3.320 af Outflow = 11.81 cfs @ 12.76 hrs, Volume= 3.318 af, Atten= 69%, Lag= 27.2 min Primary = 11.81 cfs @ 12.76 hrs, Volume= 3.318 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 0.678 ac Storage= 2.491 af Peak Elev= 877.92' @ 12.76 hrs Surf.Area= 0.757 ac Storage= 3.865 af (1.374 af above start) Plug-Flow detention time= 838.5 min calculated for 0.828 af (25% of inflow) Center-of-Mass det. time= 185.0 min ( 997.0 - 812.0 ) Volume Invert Avail.Storage Storage Description #1 869.00' 5.535 af Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (acres) (acre-feet) (acre-feet) 869.00 0.163 0.000 0.000 870.00 0.213 0.188 0.188 871.00 0.264 0.239 0.427 872.00 0.317 0.290 0.717 873.00 0.370 0.343 1.061 874.00 0.425 0.397 1.458 875.00 0.481 0.453 1.911 876.00 0.678 0.579 2.491 877.00 0.719 0.698 3.189 878.00 0.761 0.740 3.929 879.00 0.803 0.782 4.711 880.00 0.846 0.824 5.535 Device Routing Invert Outlet Devices #1 Primary 876.00'21.0" Round Culvert L= 50.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0800 '/' Cc= 0.900 n= 0.013, Flow Area= 2.41 sf #2 Primary 879.00'10.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=11.81 cfs @ 12.76 hrs HW=877.92' TW=875.34' (Dynamic Tailwater) 1=Culvert (Inlet Controls 11.81 cfs @ 4.91 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 37HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond IB-2: IB-2 Inflow Area = 6.318 ac, 25.47% Impervious, Inflow Depth = 1.98" for 10-Year event Inflow = 17.03 cfs @ 12.15 hrs, Volume= 1.043 af Outflow = 2.51 cfs @ 12.70 hrs, Volume= 1.043 af, Atten= 85%, Lag= 33.4 min Discarded = 0.02 cfs @ 12.70 hrs, Volume= 0.103 af Primary = 2.49 cfs @ 12.70 hrs, Volume= 0.940 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 894.09' @ 12.70 hrs Surf.Area= 17,121 sf Storage= 25,256 cf Plug-Flow detention time= 536.8 min calculated for 1.043 af (100% of inflow) Center-of-Mass det. time= 537.0 min ( 1,326.5 - 789.4 ) Volume Invert Avail.Storage Storage Description #1 891.00' 1,453 cf Infiltration Volume (D soils) (Prismatic) Listed below (Recalc) #2 891.24' 44,087 cf Live Storage (Prismatic) Listed below (Recalc) #3 890.00' 277 cf Forebay 1 (Prismatic) Listed below (Recalc) #4 890.00' 250 cf Forebay 2 (Prismatic) Listed below (Recalc) 46,066 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.00 5,475 0 0 891.24 6,632 1,453 1,453 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.24 6,632 0 0 892.00 7,418 5,339 5,339 894.00 9,630 17,048 22,387 896.00 12,070 21,700 44,087 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 160 0 0 891.00 393 277 277 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 146 0 0 891.00 354 250 250 Device Routing Invert Outlet Devices #1 Primary 886.70'12.0" Round 12" Outlet Pipe L= 87.4' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 886.70' / 886.00' S= 0.0080 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 0.79 sf #2 Discarded 890.00'0.060 in/hr Infiltration (D Soils) over Surface area Phase-In= 0.01' #3 Device 1 891.24'4.0" Vert. 4" Orifice C= 0.600 Limited to weir flow at low heads #4 Device 1 893.80'4.0' long x 0.5' breadth Weir MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 38HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.02 cfs @ 12.70 hrs HW=894.09' (Free Discharge) 2=Infiltration (D Soils) (Exfiltration Controls 0.02 cfs) Primary OutFlow Max=2.49 cfs @ 12.70 hrs HW=894.09' TW=879.21' (Dynamic Tailwater) 1=12" Outlet Pipe (Passes 2.49 cfs of 8.45 cfs potential flow) 3=4" Orifice (Orifice Controls 0.69 cfs @ 7.89 fps) 4=Weir (Weir Controls 1.80 cfs @ 1.54 fps) Summary for Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Area = 172.502 ac, 16.93% Impervious, Inflow Depth = 2.27" for 10-Year event Inflow = 244.94 cfs @ 12.15 hrs, Volume= 32.582 af Outflow = 8.81 cfs @ 21.52 hrs, Volume= 32.475 af, Atten= 96%, Lag= 562.2 min Primary = 8.81 cfs @ 21.52 hrs, Volume= 32.475 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 875.85' @ 21.52 hrs Surf.Area= 893,502 sf Storage= 900,671 cf Plug-Flow detention time= 2,140.1 min calculated for 32.474 af (100% of inflow) Center-of-Mass det. time= 2,098.1 min ( 3,236.3 - 1,138.1 ) Volume Invert Avail.Storage Storage Description #1 874.63' 5,386,618 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 874.63 225,955 0 0 875.00 791,747 188,275 188,275 876.00 912,103 851,925 1,040,200 880.00 1,261,106 4,346,418 5,386,618 Device Routing Invert Outlet Devices #1 Primary 874.63'28.5" W x 18.0" H, R=14.8"/40.7" Pipe Arch RCP_Arch 29x18 L= 187.0' RCP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 874.63' / 872.83' S= 0.0096 '/' Cc= 0.900 n= 0.013, Flow Area= 2.79 sf Primary OutFlow Max=8.81 cfs @ 21.52 hrs HW=875.85' (Free Discharge) 1=RCP_Arch 29x18 (Inlet Controls 8.81 cfs @ 3.54 fps) Summary for Pond W-3A: Wetland 3A Inflow Area = 64.071 ac, 16.54% Impervious, Inflow Depth = 2.40" for 10-Year event Inflow = 23.31 cfs @ 12.58 hrs, Volume= 12.828 af Outflow = 23.24 cfs @ 12.62 hrs, Volume= 12.828 af, Atten= 0%, Lag= 2.7 min Primary = 23.24 cfs @ 12.62 hrs, Volume= 12.828 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 39HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Peak Elev= 893.61' @ 12.62 hrs Surf.Area= 3,973 sf Storage= 4,453 cf Plug-Flow detention time= 7.3 min calculated for 12.828 af (100% of inflow) Center-of-Mass det. time= 6.9 min ( 1,542.4 - 1,535.5 ) Volume Invert Avail.Storage Storage Description #1 892.00' 35,594 cf Wetland 3A (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 892.00 1,570 0 0 894.00 4,562 6,132 6,132 896.00 7,450 12,012 18,144 898.00 10,000 17,450 35,594 Device Routing Invert Outlet Devices #1 Device 2 892.00'42.0" Round 42" Culvert L= 40.9' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 892.00' / 889.00' S= 0.0733 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf #2 Primary 885.50'42.0" Round 42" Culvert L= 70.5' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 885.50' / 885.20' S= 0.0043 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf Primary OutFlow Max=23.24 cfs @ 12.62 hrs HW=893.61' TW=879.22' (Dynamic Tailwater) 2=42" Culvert (Passes 23.24 cfs of 134.50 cfs potential flow) 1=42" Culvert (Inlet Controls 23.24 cfs @ 5.39 fps) Summary for Pond W-4: Wetland 4 Inflow Area = 64.071 ac, 16.54% Impervious, Inflow Depth = 2.40" for 10-Year event Inflow = 80.90 cfs @ 12.18 hrs, Volume= 12.829 af Outflow = 23.31 cfs @ 12.58 hrs, Volume= 12.828 af, Atten= 71%, Lag= 24.2 min Primary = 23.31 cfs @ 12.58 hrs, Volume= 12.828 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 894.45' @ 12.58 hrs Surf.Area= 211,164 sf Storage= 93,804 cf Plug-Flow detention time= 141.5 min calculated for 12.828 af (100% of inflow) Center-of-Mass det. time= 139.1 min ( 1,535.5 - 1,396.4 ) Volume Invert Avail.Storage Storage Description #1 894.00' 441,167 cf Wetland 4 (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 894.00 203,377 0 0 896.00 237,790 441,167 441,167 MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 40HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 894.00'30.0' long x 5.0' breadth Natural Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=23.31 cfs @ 12.58 hrs HW=894.45' TW=893.60' (Dynamic Tailwater) 1=Natural Weir (Weir Controls 23.31 cfs @ 1.72 fps) MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 41HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-600.00 hrs, dt=0.01 hrs, 60001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=7.704 ac 0.00% Impervious Runoff Depth=4.98"Subcatchment 8S: Waterbody Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ Runoff=69.69 cfs 3.195 af Runoff Area=3.710 ac 12.00% Impervious Runoff Depth=3.40"Subcatchment 18S: Area - B3 (PERV) Tc=20.0 min CN=65 Runoff=14.04 cfs 1.051 af Runoff Area=19.593 ac 12.00% Impervious Runoff Depth=3.40"Subcatchment 19S: Area - C2 (PERV) Tc=20.0 min CN=65 Runoff=74.16 cfs 5.550 af Runoff Area=3.285 ac 100.00% Impervious Runoff Depth=7.14"Subcatchment 20S: Area - C2 (IMP) Tc=20.0 min CN=98 Runoff=22.93 cfs 1.955 af Runoff Area=1.285 ac 52.76% Impervious Runoff Depth=5.37"Subcatchment 27S: Area - C3 Tc=5.0 min CN=WQ Runoff=11.80 cfs 0.575 af Runoff Area=3.962 ac 100.00% Impervious Runoff Depth=7.14"Subcatchment 47S: Area - B3 (IMP) Tc=20.0 min CN=WQ Runoff=27.66 cfs 2.358 af Runoff Area=0.792 ac 41.67% Impervious Runoff Depth=4.96"Subcatchment 48S: Area - B4 Tc=5.0 min CN=WQ Runoff=6.85 cfs 0.327 af Runoff Area=1.176 ac 7.31% Impervious Runoff Depth=4.53"Subcatchment D-3A: Direct Runoff to IB2 Tc=5.0 min CN=WQ Runoff=10.05 cfs 0.444 af Runoff Area=1.414 ac 43.35% Impervious Runoff Depth=5.43"Subcatchment D-3B: Runoff to IB2 Tc=9.5 min CN=WQ Runoff=11.12 cfs 0.640 af Runoff Area=1.658 ac 54.89% Impervious Runoff Depth=5.89"Subcatchment D-3C: Runoff to IB2 Tc=8.2 min CN=WQ Runoff=14.71 cfs 0.814 af Runoff Area=11.436 ac 28.69% Impervious Runoff Depth=4.97"Subcatchment D-W2: Runoff to W2 Flow Length=590' Tc=14.9 min CN=WQ Runoff=69.17 cfs 4.741 af Runoff Area=19.586 ac 0.00% Impervious Runoff Depth=5.52"Subcatchment DW-3: Wetland 3 Tc=8.0 min CN=WQ Runoff=170.18 cfs 9.012 af Runoff Area=0.518 ac 0.00% Impervious Runoff Depth=4.71"Subcatchment E-1: Wetland 1 Tributary Area Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 Runoff=4.71 cfs 0.203 af Runoff Area=2.260 ac 0.00% Impervious Runoff Depth=4.71"Subcatchment E-2: NORTHEAST AREA Flow Length=282' Slope=0.0975 '/' Tc=4.0 min CN=77 Runoff=21.03 cfs 0.887 af Runoff Area=24.030 ac 4.83% Impervious Runoff Depth=4.84"Subcatchment E-3: SOUTH AREA Flow Length=520' Slope=0.0730 '/' Tc=7.4 min CN=WQ Runoff=197.36 cfs 9.690 af Runoff Area=1.032 ac 12.02% Impervious Runoff Depth=5.30"Subcatchment OFF-1: SOUTH OFFSITE Tc=7.0 min CN=WQ Runoff=9.23 cfs 0.456 af MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 42HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Runoff Area=10.624 ac 12.92% Impervious Runoff Depth=5.32"Subcatchment OFF-2: OFF-2 Tc=8.0 min CN=WQ Runoff=91.24 cfs 4.707 af Runoff Area=2.070 ac 0.00% Impervious Runoff Depth=2.51"Subcatchment OFF-IB2: Offiste Runoff to IB2 Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ Runoff=5.33 cfs 0.434 af Runoff Area=35.775 ac 16.69% Impervious Runoff Depth=5.58"Subcatchment SW: SW Waterbody Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ Runoff=307.48 cfs 16.650 af Runoff Area=20.592 ac 22.47% Impervious Runoff Depth=5.47"Subcatchment W4: Wetland 4 Runoff Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ Runoff=165.98 cfs 9.378 af Peak Elev=905.48' Storage=3,704 cf Inflow=4.71 cfs 0.203 afPond 1P: Wetland 1 Discarded=0.01 cfs 0.073 af Primary=2.70 cfs 0.130 af Outflow=2.71 cfs 0.203 af Peak Elev=879.44' Storage=67,278 cf Inflow=131.92 cfs 35.942 afPond 2P: Wetland 2 Erhart Farm Outflow=112.01 cfs 35.941 af Peak Elev=901.85' Storage=496,160 cf Inflow=307.48 cfs 16.650 afPond 3P: SW Waterbody (undelineated Outflow=16.77 cfs 16.120 af Peak Elev=897.30' Storage=56,110 cf Inflow=75.73 cfs 19.316 afPond 7P: Undelineated Waterbody Outflow=48.28 cfs 18.718 af Peak Elev=879.54' Storage=119,315 cf Inflow=43.56 cfs 3.736 afPond 17P: POND1 Outflow=14.38 cfs 3.735 af Peak Elev=880.22' Storage=5.535 af Inflow=100.24 cfs 8.080 afPond 25P: POND2 Outflow=56.98 cfs 8.079 af Peak Elev=895.93' Storage=45,202 cf Inflow=37.02 cfs 2.332 afPond IB-2: IB-2 Discarded=0.03 cfs 0.112 af Primary=9.48 cfs 2.219 af Outflow=9.51 cfs 2.332 af Peak Elev=877.10' Storage=2,093,333 cf Inflow=548.08 cfs 71.750 afPond W-3: Wetland 3 (Wetland C 28.5" x 18.0", R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' Outflow=17.80 cfs 71.638 af Peak Elev=894.77' Storage=10,067 cf Inflow=57.94 cfs 28.095 afPond W-3A: Wetland 3A Outflow=57.81 cfs 28.095 af Peak Elev=895.04' Storage=220,966 cf Inflow=213.02 cfs 28.096 afPond W-4: Wetland 4 Outflow=57.94 cfs 28.095 af MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 43HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 8S: Waterbody Runoff = 69.69 cfs @ 12.13 hrs, Volume= 3.195 af, Depth= 4.98" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 3.495 79 Woods/grass comb., Good, HSG D 0.528 98 Water Surface, 0% imp, HSG D 3.681 77 Woods, Good, HSG D 7.704 Weighted Average 7.704 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.6 335 0.0596 1.00 Lag/CN Method, Summary for Subcatchment 18S: Area - B3 (PERV) Runoff = 14.04 cfs @ 12.30 hrs, Volume= 1.051 af, Depth= 3.40" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 3.710 65 2 acre lots, 12% imp, HSG B 3.265 88.00% Pervious Area 0.445 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 19S: Area - C2 (PERV) Runoff = 74.16 cfs @ 12.30 hrs, Volume= 5.550 af, Depth= 3.40" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 19.593 65 2 acre lots, 12% imp, HSG B 17.242 88.00% Pervious Area 2.351 12.00% Impervious Area MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 44HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 20S: Area - C2 (IMP) Runoff = 22.93 cfs @ 12.29 hrs, Volume= 1.955 af, Depth= 7.14" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description * 3.285 98 Imp - Pro roadway 3.285 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 27S: Area - C3 Runoff = 11.80 cfs @ 12.12 hrs, Volume= 0.575 af, Depth= 5.37" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description * 0.607 65 Upland * 0.678 98 Pond NWL 1.285 Weighted Average 0.607 47.24% Pervious Area 0.678 52.76% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment 47S: Area - B3 (IMP) Runoff = 27.66 cfs @ 12.29 hrs, Volume= 2.358 af, Depth= 7.14" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description * 1.922 98 Imp - ex parking lot * 2.040 98 Imp - Pro Roadway 3.962 Weighted Average 3.962 100.00% Impervious Area MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 45HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 48S: Area - B4 Runoff = 6.85 cfs @ 12.12 hrs, Volume= 0.327 af, Depth= 4.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description * 0.330 98 Pond NWL * 0.462 65 Upland 0.792 Weighted Average 0.462 58.33% Pervious Area 0.330 41.67% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3A: Direct Runoff to IB2 Runoff = 10.05 cfs @ 12.12 hrs, Volume= 0.444 af, Depth= 4.53" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.086 98 Roofs, HSG C 1.051 74 >75% Grass cover, Good, HSG C 0.039 60 Woods, Fair, HSG B 1.176 Weighted Average 1.090 92.69% Pervious Area 0.086 7.31% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3B: Runoff to IB2 Runoff = 11.12 cfs @ 12.17 hrs, Volume= 0.640 af, Depth= 5.43" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 46HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description 0.613 98 Roofs, HSG C 0.135 60 Woods, Fair, HSG B 0.666 74 >75% Grass cover, Good, HSG C 1.414 Weighted Average 0.801 56.65% Pervious Area 0.613 43.35% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 Direct Entry, Summary for Subcatchment D-3C: Runoff to IB2 Runoff = 14.71 cfs @ 12.15 hrs, Volume= 0.814 af, Depth= 5.89" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.910 98 Roofs, HSG C 0.748 74 >75% Grass cover, Good, HSG C 1.658 Weighted Average 0.748 45.11% Pervious Area 0.910 54.89% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.2 Direct Entry, Summary for Subcatchment D-W2: Runoff to W2 Runoff = 69.17 cfs @ 12.23 hrs, Volume= 4.741 af, Depth= 4.97" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.268 98 Roofs, HSG C 2.316 60 Woods, Fair, HSG B * 3.013 98 Wetland 2.084 74 >75% Grass cover, Good, HSG C 3.755 77 Woods, Good, HSG D 11.436 Weighted Average 8.155 71.31% Pervious Area 3.281 28.69% Impervious Area MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 47HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.4 400 0.1300 1.53 Lag/CN Method, 10.5 190 0.0700 0.30 Sheet Flow, backyard swale Grass: Short n= 0.150 P2= 2.87" 14.9 590 Total Summary for Subcatchment DW-3: Wetland 3 Runoff = 170.18 cfs @ 12.15 hrs, Volume= 9.012 af, Depth= 5.52" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 5.913 98 Water Surface, 0% imp, HSG D 13.673 78 Meadow, non-grazed, HSG D 19.586 Weighted Average 19.586 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Summary for Subcatchment E-1: Wetland 1 Tributary Area Runoff = 4.71 cfs @ 12.12 hrs, Volume= 0.203 af, Depth= 4.71" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.518 77 Woods, Good, HSG D 0.518 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.6 101 0.0146 0.37 Lag/CN Method, Summary for Subcatchment E-2: NORTHEAST AREA Runoff = 21.03 cfs @ 12.12 hrs, Volume= 0.887 af, Depth= 4.71" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 48HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description 2.260 77 Woods, Good, HSG D 2.260 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.0 282 0.0975 1.16 Lag/CN Method, Summary for Subcatchment E-3: SOUTH AREA Runoff = 197.36 cfs @ 12.15 hrs, Volume= 9.690 af, Depth= 4.84" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 21.960 77 Woods, Good, HSG D * 1.160 98 Impervious, HSG D 0.910 80 >75% Grass cover, Good, HSG D 24.030 Weighted Average 22.870 95.17% Pervious Area 1.160 4.83% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.4 520 0.0730 1.17 Lag/CN Method, Summary for Subcatchment OFF-1: SOUTH OFFSITE Runoff = 9.23 cfs @ 12.14 hrs, Volume= 0.456 af, Depth= 5.30" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.908 80 >75% Grass cover, Good, HSG D 0.124 98 Paved roads w/curbs & sewers, HSG D 1.032 Weighted Average 0.908 87.98% Pervious Area 0.124 12.02% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.0 Direct Entry, MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 49HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-2: OFF-2 Runoff = 91.24 cfs @ 12.15 hrs, Volume= 4.707 af, Depth= 5.32" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 1.373 98 Roofs, HSG D 9.251 80 >75% Grass cover, Good, HSG D 10.624 Weighted Average 9.251 87.08% Pervious Area 1.373 12.92% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Summary for Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff = 5.33 cfs @ 12.34 hrs, Volume= 0.434 af, Depth= 2.51" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.596 60 Woods, Fair, HSG B 1.474 55 Woods, Good, HSG B 2.070 Weighted Average 2.070 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 21.9 430 0.0200 0.33 Lag/CN Method, Summary for Subcatchment SW: SW Waterbody (undelineated water body) Runoff = 307.48 cfs @ 12.16 hrs, Volume= 16.650 af, Depth= 5.58" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.240 98 Unconnected roofs, HSG D 5.731 98 Water Surface, HSG D 29.804 82 Woods/grass comb., Fair, HSG D 35.775 Weighted Average 29.804 83.31% Pervious Area 5.971 16.69% Impervious Area 0.240 4.02% Unconnected MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 50HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.0 678 0.0479 1.25 Lag/CN Method, Summary for Subcatchment W4: Wetland 4 Runoff Runoff = 165.98 cfs @ 12.17 hrs, Volume= 9.378 af, Depth= 5.47" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description * 4.511 98 Wetland 8.310 77 Woods, Good, HSG D 7.654 82 Woods/grass comb., Fair, HSG D 0.117 98 Unconnected roofs, HSG D 20.592 Weighted Average 15.964 77.53% Pervious Area 4.628 22.47% Impervious Area 0.117 2.53% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.8 640 0.0400 1.09 Lag/CN Method, Summary for Pond 1P: Wetland 1 Inflow Area = 0.518 ac, 0.00% Impervious, Inflow Depth = 4.71" for 100-Year event Inflow = 4.71 cfs @ 12.12 hrs, Volume= 0.203 af Outflow = 2.71 cfs @ 12.18 hrs, Volume= 0.203 af, Atten= 42%, Lag= 3.5 min Discarded = 0.01 cfs @ 12.12 hrs, Volume= 0.073 af Primary = 2.70 cfs @ 12.18 hrs, Volume= 0.130 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 905.48' @ 12.18 hrs Surf.Area= 5,789 sf Storage= 3,704 cf Plug-Flow detention time= 1,681.2 min calculated for 0.203 af (100% of inflow) Center-of-Mass det. time= 1,681.4 min ( 2,473.5 - 792.0 ) Volume Invert Avail.Storage Storage Description #1 904.20' 3,809 cf Custom Stage Data (Prismatic) Listed below (Recalc) MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 51HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.20 219 0 0 904.40 745 96 96 904.60 1,744 249 345 904.80 2,611 435 781 905.00 3,507 612 1,393 905.20 4,539 805 2,197 905.40 5,789 1,033 3,230 905.50 5,789 579 3,809 Device Routing Invert Outlet Devices #1 Primary 905.33'14.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) #2 Discarded 904.20'0.060 in/hr Exfiltration over Surface area Phase-In= 0.01' Discarded OutFlow Max=0.01 cfs @ 12.12 hrs HW=905.42' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.01 cfs) Primary OutFlow Max=2.70 cfs @ 12.18 hrs HW=905.48' TW=875.47' (Dynamic Tailwater) 1=Sharp-Crested Rectangular Weir (Weir Controls 2.70 cfs @ 1.27 fps) Summary for Pond 2P: Wetland 2 Erhart Farm Inflow Area = 84.085 ac, 18.42% Impervious, Inflow Depth = 5.13" for 100-Year event Inflow = 131.92 cfs @ 12.25 hrs, Volume= 35.942 af Outflow = 112.01 cfs @ 12.38 hrs, Volume= 35.941 af, Atten= 15%, Lag= 8.0 min Primary = 112.01 cfs @ 12.38 hrs, Volume= 35.941 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 879.44' @ 12.38 hrs Surf.Area= 174,333 sf Storage= 67,278 cf Plug-Flow detention time= 19.7 min calculated for 35.941 af (100% of inflow) Center-of-Mass det. time= 19.5 min ( 1,234.3 - 1,214.7 ) Volume Invert Avail.Storage Storage Description #1 879.00' 180,180 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.00 131,609 0 0 880.00 228,751 180,180 180,180 Device Routing Invert Outlet Devices #1 Primary 879.00'148.4' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=112.01 cfs @ 12.38 hrs HW=879.44' TW=875.76' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 112.01 cfs @ 1.72 fps) MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 52HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 3P: SW Waterbody (undelineated water body) Inflow Area = 35.775 ac, 16.69% Impervious, Inflow Depth = 5.58" for 100-Year event Inflow = 307.48 cfs @ 12.16 hrs, Volume= 16.650 af Outflow = 16.77 cfs @ 13.46 hrs, Volume= 16.120 af, Atten= 95%, Lag= 77.9 min Primary = 16.77 cfs @ 13.46 hrs, Volume= 16.120 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 901.85' @ 13.46 hrs Surf.Area= 285,893 sf Storage= 496,160 cf Plug-Flow detention time= 746.2 min calculated for 16.120 af (97% of inflow) Center-of-Mass det. time= 729.3 min ( 1,507.6 - 778.2 ) Volume Invert Avail.Storage Storage Description #1 900.00' 537,615 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 900.00 90,358 0 0 900.20 256,659 34,702 34,702 901.00 285,893 217,021 251,722 902.00 285,893 285,893 537,615 Device Routing Invert Outlet Devices #1 Primary 900.15'2.3' long Sharp-Crested Vee/Trap Weir Cv= 2.62 (C= 3.28) Primary OutFlow Max=16.77 cfs @ 13.46 hrs HW=901.85' TW=896.77' (Dynamic Tailwater) 1=Sharp-Crested Vee/Trap Weir (Weir Controls 16.77 cfs @ 4.28 fps) Summary for Pond 7P: Undelineated Waterbody Inflow Area = 43.479 ac, 13.73% Impervious, Inflow Depth = 5.33" for 100-Year event Inflow = 75.73 cfs @ 12.13 hrs, Volume= 19.316 af Outflow = 48.28 cfs @ 12.20 hrs, Volume= 18.718 af, Atten= 36%, Lag= 4.1 min Primary = 48.28 cfs @ 12.20 hrs, Volume= 18.718 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 897.30' @ 12.20 hrs Surf.Area= 24,792 sf Storage= 56,110 cf Plug-Flow detention time= 203.6 min calculated for 18.718 af (97% of inflow) Center-of-Mass det. time= 44.9 min ( 1,433.1 - 1,388.2 ) Volume Invert Avail.Storage Storage Description #1 895.00' 73,404 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 895.00 23,009 0 0 896.09 24,792 26,052 26,052 897.00 24,792 22,561 48,612 898.00 24,792 24,792 73,404 MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 53HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 896.09'13.7' long x 22.6' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=48.27 cfs @ 12.20 hrs HW=897.30' TW=894.74' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 48.27 cfs @ 2.91 fps) Summary for Pond 17P: POND1 Inflow Area = 8.464 ac, 55.97% Impervious, Inflow Depth = 5.30" for 100-Year event Inflow = 43.56 cfs @ 12.29 hrs, Volume= 3.736 af Outflow = 14.38 cfs @ 12.67 hrs, Volume= 3.735 af, Atten= 67%, Lag= 23.2 min Primary = 14.38 cfs @ 12.67 hrs, Volume= 3.735 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 14,344 sf Storage= 57,207 cf Peak Elev= 879.54' @ 12.67 hrs Surf.Area= 20,769 sf Storage= 119,315 cf (62,109 cf above start) Plug-Flow detention time= 421.7 min calculated for 2.422 af (65% of inflow) Center-of-Mass det. time= 198.8 min ( 973.7 - 774.8 ) Volume Invert Avail.Storage Storage Description #1 866.00' 151,629 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 866.00 991 0 0 875.00 9,115 45,477 45,477 876.00 14,344 11,730 57,207 881.00 23,425 94,423 151,629 Device Routing Invert Outlet Devices #1 Primary 876.00'18.0" Round Culvert L= 48.0' Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0833 '/' Cc= 0.900 n= 0.013, Flow Area= 1.77 sf #2 Primary 879.50'10.0' long x 4.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.38 2.54 2.69 2.68 2.67 2.67 2.65 2.66 2.66 2.68 2.72 2.73 2.76 2.79 2.88 3.07 3.32 Primary OutFlow Max=14.38 cfs @ 12.67 hrs HW=879.54' TW=876.04' (Dynamic Tailwater) 1=Culvert (Inlet Controls 14.21 cfs @ 8.04 fps) 2=Broad-Crested Rectangular Weir (Weir Controls 0.17 cfs @ 0.46 fps) MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 54HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 25P: POND2 [93] Warning: Storage range exceeded by 0.22' Inflow Area = 24.163 ac, 26.13% Impervious, Inflow Depth = 4.01" for 100-Year event Inflow = 100.24 cfs @ 12.29 hrs, Volume= 8.080 af Outflow = 56.98 cfs @ 12.53 hrs, Volume= 8.079 af, Atten= 43%, Lag= 14.4 min Primary = 56.98 cfs @ 12.53 hrs, Volume= 8.079 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 0.678 ac Storage= 2.491 af Peak Elev= 880.22' @ 12.53 hrs Surf.Area= 0.846 ac Storage= 5.535 af (3.045 af above start) Plug-Flow detention time= 400.2 min calculated for 5.588 af (69% of inflow) Center-of-Mass det. time= 204.2 min ( 1,007.2 - 803.0 ) Volume Invert Avail.Storage Storage Description #1 869.00' 5.535 af Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (acres) (acre-feet) (acre-feet) 869.00 0.163 0.000 0.000 870.00 0.213 0.188 0.188 871.00 0.264 0.239 0.427 872.00 0.317 0.290 0.717 873.00 0.370 0.343 1.061 874.00 0.425 0.397 1.458 875.00 0.481 0.453 1.911 876.00 0.678 0.579 2.491 877.00 0.719 0.698 3.189 878.00 0.761 0.740 3.929 879.00 0.803 0.782 4.711 880.00 0.846 0.824 5.535 Device Routing Invert Outlet Devices #1 Primary 876.00'21.0" Round Culvert L= 50.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0800 '/' Cc= 0.900 n= 0.013, Flow Area= 2.41 sf #2 Primary 879.00'10.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=55.77 cfs @ 12.53 hrs HW=880.19' TW=875.92' (Dynamic Tailwater) 1=Culvert (Inlet Controls 21.10 cfs @ 8.77 fps) 2=Broad-Crested Rectangular Weir (Weir Controls 34.68 cfs @ 2.91 fps) MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 55HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond IB-2: IB-2 Inflow Area = 6.318 ac, 25.47% Impervious, Inflow Depth = 4.43" for 100-Year event Inflow = 37.02 cfs @ 12.15 hrs, Volume= 2.332 af Outflow = 9.51 cfs @ 12.53 hrs, Volume= 2.332 af, Atten= 74%, Lag= 23.2 min Discarded = 0.03 cfs @ 12.53 hrs, Volume= 0.112 af Primary = 9.48 cfs @ 12.53 hrs, Volume= 2.219 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 895.93' @ 12.53 hrs Surf.Area= 19,361 sf Storage= 45,202 cf Plug-Flow detention time= 304.9 min calculated for 2.332 af (100% of inflow) Center-of-Mass det. time= 305.2 min ( 1,089.3 - 784.1 ) Volume Invert Avail.Storage Storage Description #1 891.00' 1,453 cf Infiltration Volume (D soils) (Prismatic) Listed below (Recalc) #2 891.24' 44,087 cf Live Storage (Prismatic) Listed below (Recalc) #3 890.00' 277 cf Forebay 1 (Prismatic) Listed below (Recalc) #4 890.00' 250 cf Forebay 2 (Prismatic) Listed below (Recalc) 46,066 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.00 5,475 0 0 891.24 6,632 1,453 1,453 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.24 6,632 0 0 892.00 7,418 5,339 5,339 894.00 9,630 17,048 22,387 896.00 12,070 21,700 44,087 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 160 0 0 891.00 393 277 277 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 146 0 0 891.00 354 250 250 Device Routing Invert Outlet Devices #1 Primary 886.70'12.0" Round 12" Outlet Pipe L= 87.4' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 886.70' / 886.00' S= 0.0080 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 0.79 sf #2 Discarded 890.00'0.060 in/hr Infiltration (D Soils) over Surface area Phase-In= 0.01' #3 Device 1 891.24'4.0" Vert. 4" Orifice C= 0.600 Limited to weir flow at low heads #4 Device 1 893.80'4.0' long x 0.5' breadth Weir MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 56HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.03 cfs @ 12.53 hrs HW=895.93' (Free Discharge) 2=Infiltration (D Soils) (Exfiltration Controls 0.03 cfs) Primary OutFlow Max=9.48 cfs @ 12.53 hrs HW=895.93' TW=879.42' (Dynamic Tailwater) 1=12" Outlet Pipe (Barrel Controls 9.48 cfs @ 12.07 fps) 3=4" Orifice (Passes < 0.89 cfs potential flow) 4=Weir (Passes < 41.23 cfs potential flow) Summary for Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Area = 172.502 ac, 16.93% Impervious, Inflow Depth = 4.99" for 100-Year event Inflow = 548.08 cfs @ 12.15 hrs, Volume= 71.750 af Outflow = 17.80 cfs @ 21.11 hrs, Volume= 71.638 af, Atten= 97%, Lag= 537.5 min Primary = 17.80 cfs @ 21.11 hrs, Volume= 71.638 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 877.10' @ 21.11 hrs Surf.Area= 1,007,822 sf Storage= 2,093,333 cf Plug-Flow detention time= 1,968.5 min calculated for 71.638 af (100% of inflow) Center-of-Mass det. time= 1,948.1 min ( 2,992.2 - 1,044.1 ) Volume Invert Avail.Storage Storage Description #1 874.63' 5,386,618 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 874.63 225,955 0 0 875.00 791,747 188,275 188,275 876.00 912,103 851,925 1,040,200 880.00 1,261,106 4,346,418 5,386,618 Device Routing Invert Outlet Devices #1 Primary 874.63'28.5" W x 18.0" H, R=14.8"/40.7" Pipe Arch RCP_Arch 29x18 L= 187.0' RCP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 874.63' / 872.83' S= 0.0096 '/' Cc= 0.900 n= 0.013, Flow Area= 2.79 sf Primary OutFlow Max=17.80 cfs @ 21.11 hrs HW=877.10' (Free Discharge) 1=RCP_Arch 29x18 (Inlet Controls 17.80 cfs @ 6.37 fps) Summary for Pond W-3A: Wetland 3A Inflow Area = 64.071 ac, 16.54% Impervious, Inflow Depth = 5.26" for 100-Year event Inflow = 57.94 cfs @ 12.51 hrs, Volume= 28.095 af Outflow = 57.81 cfs @ 12.57 hrs, Volume= 28.095 af, Atten= 0%, Lag= 3.6 min Primary = 57.81 cfs @ 12.57 hrs, Volume= 28.095 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 57HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Peak Elev= 894.77' @ 12.57 hrs Surf.Area= 5,672 sf Storage= 10,067 cf Plug-Flow detention time= 5.0 min calculated for 28.094 af (100% of inflow) Center-of-Mass det. time= 4.8 min ( 1,319.0 - 1,314.1 ) Volume Invert Avail.Storage Storage Description #1 892.00' 35,594 cf Wetland 3A (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 892.00 1,570 0 0 894.00 4,562 6,132 6,132 896.00 7,450 12,012 18,144 898.00 10,000 17,450 35,594 Device Routing Invert Outlet Devices #1 Device 2 892.00'42.0" Round 42" Culvert L= 40.9' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 892.00' / 889.00' S= 0.0733 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf #2 Primary 885.50'42.0" Round 42" Culvert L= 70.5' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 885.50' / 885.20' S= 0.0043 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf Primary OutFlow Max=57.81 cfs @ 12.57 hrs HW=894.77' TW=879.41' (Dynamic Tailwater) 2=42" Culvert (Passes 57.81 cfs of 149.59 cfs potential flow) 1=42" Culvert (Inlet Controls 57.81 cfs @ 7.08 fps) Summary for Pond W-4: Wetland 4 Inflow Area = 64.071 ac, 16.54% Impervious, Inflow Depth = 5.26" for 100-Year event Inflow = 213.02 cfs @ 12.18 hrs, Volume= 28.096 af Outflow = 57.94 cfs @ 12.51 hrs, Volume= 28.095 af, Atten= 73%, Lag= 20.0 min Primary = 57.94 cfs @ 12.51 hrs, Volume= 28.095 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 895.04' @ 12.56 hrs Surf.Area= 221,283 sf Storage= 220,966 cf Plug-Flow detention time= 100.7 min calculated for 28.094 af (100% of inflow) Center-of-Mass det. time= 99.6 min ( 1,314.1 - 1,214.5 ) Volume Invert Avail.Storage Storage Description #1 894.00' 441,167 cf Wetland 4 (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 894.00 203,377 0 0 896.00 237,790 441,167 441,167 MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 58HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 894.00'30.0' long x 5.0' breadth Natural Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=57.79 cfs @ 12.51 hrs HW=895.04' TW=894.76' (Dynamic Tailwater) 1=Natural Weir (Weir Controls 57.79 cfs @ 1.86 fps) MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 59HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-600.00 hrs, dt=0.01 hrs, 60001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=7.704 ac 0.00% Impervious Runoff Depth=0.89"Subcatchment 8S: Waterbody Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ Runoff=12.54 cfs 0.571 af Runoff Area=3.710 ac 12.00% Impervious Runoff Depth=0.30"Subcatchment 18S: Area - B3 (PERV) Tc=20.0 min CN=65 Runoff=0.79 cfs 0.092 af Runoff Area=19.593 ac 12.00% Impervious Runoff Depth=0.30"Subcatchment 19S: Area - C2 (PERV) Tc=20.0 min CN=65 Runoff=4.15 cfs 0.486 af Runoff Area=3.285 ac 100.00% Impervious Runoff Depth=2.27"Subcatchment 20S: Area - C2 (IMP) Tc=20.0 min CN=98 Runoff=7.62 cfs 0.622 af Runoff Area=1.285 ac 52.76% Impervious Runoff Depth=1.34"Subcatchment 27S: Area - C3 Tc=5.0 min CN=WQ Runoff=2.82 cfs 0.143 af Runoff Area=3.962 ac 100.00% Impervious Runoff Depth=2.27"Subcatchment 47S: Area - B3 (IMP) Tc=20.0 min CN=WQ Runoff=9.19 cfs 0.750 af Runoff Area=0.792 ac 41.67% Impervious Runoff Depth=1.12"Subcatchment 48S: Area - B4 Tc=5.0 min CN=WQ Runoff=1.44 cfs 0.074 af Runoff Area=1.176 ac 7.31% Impervious Runoff Depth=0.72"Subcatchment D-3A: Direct Runoff to IB2 Tc=5.0 min CN=WQ Runoff=1.53 cfs 0.070 af Runoff Area=1.414 ac 43.35% Impervious Runoff Depth=1.29"Subcatchment D-3B: Runoff to IB2 Tc=9.5 min CN=WQ Runoff=2.56 cfs 0.152 af Runoff Area=1.658 ac 54.89% Impervious Runoff Depth=1.52"Subcatchment D-3C: Runoff to IB2 Tc=8.2 min CN=WQ Runoff=3.78 cfs 0.210 af Runoff Area=11.436 ac 28.69% Impervious Runoff Depth=1.04"Subcatchment D-W2: Runoff to W2 Flow Length=590' Tc=14.9 min CN=WQ Runoff=13.63 cfs 0.992 af Runoff Area=19.586 ac 0.00% Impervious Runoff Depth=1.24"Subcatchment DW-3: Wetland 3 Tc=8.0 min CN=WQ Runoff=37.84 cfs 2.017 af Runoff Area=0.518 ac 0.00% Impervious Runoff Depth=0.74"Subcatchment E-1: Wetland 1 Tributary Area Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 Runoff=0.75 cfs 0.032 af Runoff Area=2.260 ac 0.00% Impervious Runoff Depth=0.74"Subcatchment E-2: NORTHEAST AREA Flow Length=282' Slope=0.0975 '/' Tc=4.0 min CN=77 Runoff=3.39 cfs 0.139 af Runoff Area=24.030 ac 4.83% Impervious Runoff Depth=0.82"Subcatchment E-3: SOUTH AREA Flow Length=520' Slope=0.0730 '/' Tc=7.4 min CN=WQ Runoff=32.97 cfs 1.642 af Runoff Area=1.032 ac 12.02% Impervious Runoff Depth=1.05"Subcatchment OFF-1: SOUTH OFFSITE Tc=7.0 min CN=WQ Runoff=1.86 cfs 0.091 af MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 60HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Runoff Area=10.624 ac 12.92% Impervious Runoff Depth=1.07"Subcatchment OFF-2: OFF-2 Tc=8.0 min CN=WQ Runoff=18.44 cfs 0.945 af Runoff Area=2.070 ac 0.00% Impervious Runoff Depth=0.11"Subcatchment OFF-IB2: Offiste Runoff to IB2 Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ Runoff=0.07 cfs 0.019 af Runoff Area=35.775 ac 16.69% Impervious Runoff Depth=1.21"Subcatchment SW: SW Waterbody Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ Runoff=68.02 cfs 3.609 af Runoff Area=20.592 ac 22.47% Impervious Runoff Depth=1.18"Subcatchment W4: Wetland 4 Runoff Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ Runoff=35.75 cfs 2.025 af Peak Elev=904.95' Storage=1,212 cf Inflow=0.75 cfs 0.032 afPond 1P: Wetland 1 Discarded=0.00 cfs 0.032 af Primary=0.00 cfs 0.000 af Outflow=0.00 cfs 0.032 af Peak Elev=879.11' Storage=14,869 cf Inflow=18.47 cfs 6.570 afPond 2P: Wetland 2 Erhart Farm Outflow=13.23 cfs 6.570 af Peak Elev=900.51' Storage=116,557 cf Inflow=68.02 cfs 3.609 afPond 3P: SW Waterbody (undelineated Outflow=1.64 cfs 3.079 af Peak Elev=896.23' Storage=29,520 cf Inflow=12.71 cfs 3.650 afPond 7P: Undelineated Waterbody Outflow=1.92 cfs 3.052 af Peak Elev=877.04' Storage=73,060 cf Inflow=10.24 cfs 0.916 afPond 17P: POND1 Outflow=4.52 cfs 0.915 af Peak Elev=876.81' Storage=3.054 af Inflow=11.92 cfs 1.251 afPond 25P: POND2 Outflow=3.34 cfs 1.249 af Peak Elev=892.62' Storage=12,124 cf Inflow=7.65 cfs 0.451 afPond IB-2: IB-2 Discarded=0.02 cfs 0.088 af Primary=0.46 cfs 0.363 af Outflow=0.48 cfs 0.451 af Peak Elev=875.23' Storage=376,397 cf Inflow=99.04 cfs 13.428 afPond W-3: Wetland 3 (Wetland C from 28.5" x 18.0", R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' Outflow=2.87 cfs 13.325 af Peak Elev=892.81' Storage=1,767 cf Inflow=6.51 cfs 5.076 afPond W-3A: Wetland 3A Outflow=6.49 cfs 5.076 af Peak Elev=894.20' Storage=42,003 cf Inflow=35.75 cfs 5.077 afPond W-4: Wetland 4 Outflow=6.51 cfs 5.076 af MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 61HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 8S: Waterbody Runoff = 12.54 cfs @ 12.13 hrs, Volume= 0.571 af, Depth= 0.89" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 3.495 79 Woods/grass comb., Good, HSG D 0.528 98 Water Surface, 0% imp, HSG D 3.681 77 Woods, Good, HSG D 7.704 Weighted Average 7.704 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.6 335 0.0596 1.00 Lag/CN Method, Summary for Subcatchment 18S: Area - B3 (PERV) Runoff = 0.79 cfs @ 12.38 hrs, Volume= 0.092 af, Depth= 0.30" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 3.710 65 2 acre lots, 12% imp, HSG B 3.265 88.00% Pervious Area 0.445 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 19S: Area - C2 (PERV) Runoff = 4.15 cfs @ 12.38 hrs, Volume= 0.486 af, Depth= 0.30" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 19.593 65 2 acre lots, 12% imp, HSG B 17.242 88.00% Pervious Area 2.351 12.00% Impervious Area MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 62HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 20S: Area - C2 (IMP) Runoff = 7.62 cfs @ 12.29 hrs, Volume= 0.622 af, Depth= 2.27" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description * 3.285 98 Imp - Pro roadway 3.285 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 27S: Area - C3 Runoff = 2.82 cfs @ 12.12 hrs, Volume= 0.143 af, Depth= 1.34" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description * 0.607 65 Upland * 0.678 98 Pond NWL 1.285 Weighted Average 0.607 47.24% Pervious Area 0.678 52.76% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment 47S: Area - B3 (IMP) Runoff = 9.19 cfs @ 12.29 hrs, Volume= 0.750 af, Depth= 2.27" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description * 1.922 98 Imp - ex parking lot * 2.040 98 Imp - Pro Roadway 3.962 Weighted Average 3.962 100.00% Impervious Area MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 63HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 48S: Area - B4 Runoff = 1.44 cfs @ 12.13 hrs, Volume= 0.074 af, Depth= 1.12" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description * 0.330 98 Pond NWL * 0.462 65 Upland 0.792 Weighted Average 0.462 58.33% Pervious Area 0.330 41.67% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3A: Direct Runoff to IB2 Runoff = 1.53 cfs @ 12.13 hrs, Volume= 0.070 af, Depth= 0.72" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 0.086 98 Roofs, HSG C 1.051 74 >75% Grass cover, Good, HSG C 0.039 60 Woods, Fair, HSG B 1.176 Weighted Average 1.090 92.69% Pervious Area 0.086 7.31% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3B: Runoff to IB2 Runoff = 2.56 cfs @ 12.17 hrs, Volume= 0.152 af, Depth= 1.29" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 64HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description 0.613 98 Roofs, HSG C 0.135 60 Woods, Fair, HSG B 0.666 74 >75% Grass cover, Good, HSG C 1.414 Weighted Average 0.801 56.65% Pervious Area 0.613 43.35% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 Direct Entry, Summary for Subcatchment D-3C: Runoff to IB2 Runoff = 3.78 cfs @ 12.16 hrs, Volume= 0.210 af, Depth= 1.52" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 0.910 98 Roofs, HSG C 0.748 74 >75% Grass cover, Good, HSG C 1.658 Weighted Average 0.748 45.11% Pervious Area 0.910 54.89% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.2 Direct Entry, Summary for Subcatchment D-W2: Runoff to W2 Runoff = 13.63 cfs @ 12.24 hrs, Volume= 0.992 af, Depth= 1.04" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 0.268 98 Roofs, HSG C 2.316 60 Woods, Fair, HSG B * 3.013 98 Wetland 2.084 74 >75% Grass cover, Good, HSG C 3.755 77 Woods, Good, HSG D 11.436 Weighted Average 8.155 71.31% Pervious Area 3.281 28.69% Impervious Area MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 65HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.4 400 0.1300 1.53 Lag/CN Method, 10.5 190 0.0700 0.30 Sheet Flow, backyard swale Grass: Short n= 0.150 P2= 2.87" 14.9 590 Total Summary for Subcatchment DW-3: Wetland 3 Runoff = 37.84 cfs @ 12.15 hrs, Volume= 2.017 af, Depth= 1.24" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 5.913 98 Water Surface, 0% imp, HSG D 13.673 78 Meadow, non-grazed, HSG D 19.586 Weighted Average 19.586 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Summary for Subcatchment E-1: Wetland 1 Tributary Area Runoff = 0.75 cfs @ 12.13 hrs, Volume= 0.032 af, Depth= 0.74" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 0.518 77 Woods, Good, HSG D 0.518 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.6 101 0.0146 0.37 Lag/CN Method, Summary for Subcatchment E-2: NORTHEAST AREA Runoff = 3.39 cfs @ 12.12 hrs, Volume= 0.139 af, Depth= 0.74" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 66HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description 2.260 77 Woods, Good, HSG D 2.260 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.0 282 0.0975 1.16 Lag/CN Method, Summary for Subcatchment E-3: SOUTH AREA Runoff = 32.97 cfs @ 12.15 hrs, Volume= 1.642 af, Depth= 0.82" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 21.960 77 Woods, Good, HSG D * 1.160 98 Impervious, HSG D 0.910 80 >75% Grass cover, Good, HSG D 24.030 Weighted Average 22.870 95.17% Pervious Area 1.160 4.83% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.4 520 0.0730 1.17 Lag/CN Method, Summary for Subcatchment OFF-1: SOUTH OFFSITE Runoff = 1.86 cfs @ 12.15 hrs, Volume= 0.091 af, Depth= 1.05" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 0.908 80 >75% Grass cover, Good, HSG D 0.124 98 Paved roads w/curbs & sewers, HSG D 1.032 Weighted Average 0.908 87.98% Pervious Area 0.124 12.02% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.0 Direct Entry, MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 67HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-2: OFF-2 Runoff = 18.44 cfs @ 12.16 hrs, Volume= 0.945 af, Depth= 1.07" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 1.373 98 Roofs, HSG D 9.251 80 >75% Grass cover, Good, HSG D 10.624 Weighted Average 9.251 87.08% Pervious Area 1.373 12.92% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Summary for Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff = 0.07 cfs @ 12.63 hrs, Volume= 0.019 af, Depth= 0.11" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 0.596 60 Woods, Fair, HSG B 1.474 55 Woods, Good, HSG B 2.070 Weighted Average 2.070 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 21.9 430 0.0200 0.33 Lag/CN Method, Summary for Subcatchment SW: SW Waterbody (undelineated water body) Runoff = 68.02 cfs @ 12.17 hrs, Volume= 3.609 af, Depth= 1.21" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 0.240 98 Unconnected roofs, HSG D 5.731 98 Water Surface, HSG D 29.804 82 Woods/grass comb., Fair, HSG D 35.775 Weighted Average 29.804 83.31% Pervious Area 5.971 16.69% Impervious Area 0.240 4.02% Unconnected MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 68HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.0 678 0.0479 1.25 Lag/CN Method, Summary for Subcatchment W4: Wetland 4 Runoff Runoff = 35.75 cfs @ 12.18 hrs, Volume= 2.025 af, Depth= 1.18" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description * 4.511 98 Wetland 8.310 77 Woods, Good, HSG D 7.654 82 Woods/grass comb., Fair, HSG D 0.117 98 Unconnected roofs, HSG D 20.592 Weighted Average 15.964 77.53% Pervious Area 4.628 22.47% Impervious Area 0.117 2.53% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.8 640 0.0400 1.09 Lag/CN Method, Summary for Pond 1P: Wetland 1 Inflow Area = 0.518 ac, 0.00% Impervious, Inflow Depth = 0.74" for NURP/1 year event Inflow = 0.75 cfs @ 12.13 hrs, Volume= 0.032 af Outflow = 0.00 cfs @ 22.56 hrs, Volume= 0.032 af, Atten= 99%, Lag= 626.1 min Discarded = 0.00 cfs @ 22.56 hrs, Volume= 0.032 af Primary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 904.95' @ 22.56 hrs Surf.Area= 3,268 sf Storage= 1,212 cf Plug-Flow detention time= 3,161.4 min calculated for 0.032 af (100% of inflow) Center-of-Mass det. time= 3,161.4 min ( 3,992.6 - 831.2 ) Volume Invert Avail.Storage Storage Description #1 904.20' 3,809 cf Custom Stage Data (Prismatic) Listed below (Recalc) MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 69HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.20 219 0 0 904.40 745 96 96 904.60 1,744 249 345 904.80 2,611 435 781 905.00 3,507 612 1,393 905.20 4,539 805 2,197 905.40 5,789 1,033 3,230 905.50 5,789 579 3,809 Device Routing Invert Outlet Devices #1 Primary 905.33'14.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) #2 Discarded 904.20'0.060 in/hr Exfiltration over Surface area Phase-In= 0.01' Discarded OutFlow Max=0.00 cfs @ 22.56 hrs HW=904.95' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.00 cfs) Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=904.20' TW=874.63' (Dynamic Tailwater) 1=Sharp-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 2P: Wetland 2 Erhart Farm Inflow Area = 84.085 ac, 18.42% Impervious, Inflow Depth = 0.94" for NURP/1 year event Inflow = 18.47 cfs @ 12.25 hrs, Volume= 6.570 af Outflow = 13.23 cfs @ 12.48 hrs, Volume= 6.570 af, Atten= 28%, Lag= 13.7 min Primary = 13.23 cfs @ 12.48 hrs, Volume= 6.570 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 879.11' @ 12.48 hrs Surf.Area= 142,161 sf Storage= 14,869 cf Plug-Flow detention time= 41.1 min calculated for 6.570 af (100% of inflow) Center-of-Mass det. time= 40.1 min ( 1,728.4 - 1,688.3 ) Volume Invert Avail.Storage Storage Description #1 879.00' 180,180 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.00 131,609 0 0 880.00 228,751 180,180 180,180 Device Routing Invert Outlet Devices #1 Primary 879.00'148.4' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=13.23 cfs @ 12.48 hrs HW=879.11' TW=874.94' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 13.23 cfs @ 0.82 fps) MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 70HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 3P: SW Waterbody (undelineated water body) Inflow Area = 35.775 ac, 16.69% Impervious, Inflow Depth = 1.21" for NURP/1 year event Inflow = 68.02 cfs @ 12.17 hrs, Volume= 3.609 af Outflow = 1.64 cfs @ 15.15 hrs, Volume= 3.079 af, Atten= 98%, Lag= 179.1 min Primary = 1.64 cfs @ 15.15 hrs, Volume= 3.079 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 900.51' @ 15.15 hrs Surf.Area= 268,060 sf Storage= 116,557 cf Plug-Flow detention time= 1,490.2 min calculated for 3.079 af (85% of inflow) Center-of-Mass det. time= 1,433.8 min ( 2,235.7 - 801.9 ) Volume Invert Avail.Storage Storage Description #1 900.00' 537,615 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 900.00 90,358 0 0 900.20 256,659 34,702 34,702 901.00 285,893 217,021 251,722 902.00 285,893 285,893 537,615 Device Routing Invert Outlet Devices #1 Primary 900.15'2.3' long Sharp-Crested Vee/Trap Weir Cv= 2.62 (C= 3.28) Primary OutFlow Max=1.64 cfs @ 15.15 hrs HW=900.51' TW=896.23' (Dynamic Tailwater) 1=Sharp-Crested Vee/Trap Weir (Weir Controls 1.64 cfs @ 1.97 fps) Summary for Pond 7P: Undelineated Waterbody Inflow Area = 43.479 ac, 13.73% Impervious, Inflow Depth = 1.01" for NURP/1 year event Inflow = 12.71 cfs @ 12.13 hrs, Volume= 3.650 af Outflow = 1.92 cfs @ 15.11 hrs, Volume= 3.052 af, Atten= 85%, Lag= 178.6 min Primary = 1.92 cfs @ 15.11 hrs, Volume= 3.052 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 896.23' @ 15.11 hrs Surf.Area= 24,792 sf Storage= 29,520 cf Plug-Flow detention time= 965.7 min calculated for 3.052 af (84% of inflow) Center-of-Mass det. time= 296.6 min ( 2,310.3 - 2,013.7 ) Volume Invert Avail.Storage Storage Description #1 895.00' 73,404 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 895.00 23,009 0 0 896.09 24,792 26,052 26,052 897.00 24,792 22,561 48,612 898.00 24,792 24,792 73,404 MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 71HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 896.09'13.7' long x 22.6' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=1.92 cfs @ 15.11 hrs HW=896.23' TW=894.13' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 1.92 cfs @ 1.00 fps) Summary for Pond 17P: POND1 Inflow Area = 8.464 ac, 55.97% Impervious, Inflow Depth = 1.30" for NURP/1 year event Inflow = 10.24 cfs @ 12.29 hrs, Volume= 0.916 af Outflow = 4.52 cfs @ 12.59 hrs, Volume= 0.915 af, Atten= 56%, Lag= 18.2 min Primary = 4.52 cfs @ 12.59 hrs, Volume= 0.915 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 14,344 sf Storage= 57,207 cf Peak Elev= 877.04' @ 12.59 hrs Surf.Area= 16,228 sf Storage= 73,060 cf (15,853 cf above start) Plug-Flow detention time= (not calculated: initial storage exceeds outflow) Center-of-Mass det. time= 168.2 min ( 949.8 - 781.6 ) Volume Invert Avail.Storage Storage Description #1 866.00' 151,629 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 866.00 991 0 0 875.00 9,115 45,477 45,477 876.00 14,344 11,730 57,207 881.00 23,425 94,423 151,629 Device Routing Invert Outlet Devices #1 Primary 876.00'18.0" Round Culvert L= 48.0' Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0833 '/' Cc= 0.900 n= 0.013, Flow Area= 1.77 sf #2 Primary 879.50'10.0' long x 4.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.38 2.54 2.69 2.68 2.67 2.67 2.65 2.66 2.66 2.68 2.72 2.73 2.76 2.79 2.88 3.07 3.32 Primary OutFlow Max=4.52 cfs @ 12.59 hrs HW=877.04' TW=874.96' (Dynamic Tailwater) 1=Culvert (Inlet Controls 4.52 cfs @ 3.47 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 72HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 25P: POND2 Inflow Area = 24.163 ac, 26.13% Impervious, Inflow Depth = 0.62" for NURP/1 year event Inflow = 11.92 cfs @ 12.32 hrs, Volume= 1.251 af Outflow = 3.34 cfs @ 12.88 hrs, Volume= 1.249 af, Atten= 72%, Lag= 33.2 min Primary = 3.34 cfs @ 12.88 hrs, Volume= 1.249 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 0.678 ac Storage= 2.491 af Peak Elev= 876.81' @ 12.88 hrs Surf.Area= 0.711 ac Storage= 3.054 af (0.563 af above start) Plug-Flow detention time= (not calculated: initial storage exceeds outflow) Center-of-Mass det. time= 336.8 min ( 1,152.7 - 815.9 ) Volume Invert Avail.Storage Storage Description #1 869.00' 5.535 af Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (acres) (acre-feet) (acre-feet) 869.00 0.163 0.000 0.000 870.00 0.213 0.188 0.188 871.00 0.264 0.239 0.427 872.00 0.317 0.290 0.717 873.00 0.370 0.343 1.061 874.00 0.425 0.397 1.458 875.00 0.481 0.453 1.911 876.00 0.678 0.579 2.491 877.00 0.719 0.698 3.189 878.00 0.761 0.740 3.929 879.00 0.803 0.782 4.711 880.00 0.846 0.824 5.535 Device Routing Invert Outlet Devices #1 Primary 876.00'21.0" Round Culvert L= 50.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0800 '/' Cc= 0.900 n= 0.013, Flow Area= 2.41 sf #2 Primary 879.00'10.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=3.34 cfs @ 12.88 hrs HW=876.81' TW=875.00' (Dynamic Tailwater) 1=Culvert (Inlet Controls 3.34 cfs @ 3.07 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 73HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond IB-2: IB-2 Inflow Area = 6.318 ac, 25.47% Impervious, Inflow Depth = 0.86" for NURP/1 year event Inflow = 7.65 cfs @ 12.15 hrs, Volume= 0.451 af Outflow = 0.48 cfs @ 13.53 hrs, Volume= 0.451 af, Atten= 94%, Lag= 82.6 min Discarded = 0.02 cfs @ 13.53 hrs, Volume= 0.088 af Primary = 0.46 cfs @ 13.53 hrs, Volume= 0.363 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 892.62' @ 13.53 hrs Surf.Area= 15,482 sf Storage= 12,124 cf Plug-Flow detention time= 704.0 min calculated for 0.451 af (100% of inflow) Center-of-Mass det. time= 704.0 min ( 1,494.7 - 790.7 ) Volume Invert Avail.Storage Storage Description #1 891.00' 1,453 cf Infiltration Volume (D soils) (Prismatic) Listed below (Recalc) #2 891.24' 44,087 cf Live Storage (Prismatic) Listed below (Recalc) #3 890.00' 277 cf Forebay 1 (Prismatic) Listed below (Recalc) #4 890.00' 250 cf Forebay 2 (Prismatic) Listed below (Recalc) 46,066 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.00 5,475 0 0 891.24 6,632 1,453 1,453 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.24 6,632 0 0 892.00 7,418 5,339 5,339 894.00 9,630 17,048 22,387 896.00 12,070 21,700 44,087 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 160 0 0 891.00 393 277 277 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 146 0 0 891.00 354 250 250 Device Routing Invert Outlet Devices #1 Primary 886.70'12.0" Round 12" Outlet Pipe L= 87.4' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 886.70' / 886.00' S= 0.0080 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 0.79 sf #2 Discarded 890.00'0.060 in/hr Infiltration (D Soils) over Surface area Phase-In= 0.01' #3 Device 1 891.24'4.0" Vert. 4" Orifice C= 0.600 Limited to weir flow at low heads #4 Device 1 893.80'4.0' long x 0.5' breadth Weir MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 74HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.02 cfs @ 13.53 hrs HW=892.62' (Free Discharge) 2=Infiltration (D Soils) (Exfiltration Controls 0.02 cfs) Primary OutFlow Max=0.46 cfs @ 13.53 hrs HW=892.62' TW=879.08' (Dynamic Tailwater) 1=12" Outlet Pipe (Passes 0.46 cfs of 7.52 cfs potential flow) 3=4" Orifice (Orifice Controls 0.46 cfs @ 5.30 fps) 4=Weir ( Controls 0.00 cfs) Summary for Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Area = 172.502 ac, 16.93% Impervious, Inflow Depth = 0.93" for NURP/1 year event Inflow = 99.04 cfs @ 12.16 hrs, Volume= 13.428 af Outflow = 2.87 cfs @ 23.51 hrs, Volume= 13.325 af, Atten= 97%, Lag= 681.0 min Primary = 2.87 cfs @ 23.51 hrs, Volume= 13.325 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 875.23' @ 23.51 hrs Surf.Area= 819,845 sf Storage= 376,397 cf Plug-Flow detention time= 2,742.6 min calculated for 13.325 af (99% of inflow) Center-of-Mass det. time= 2,647.3 min ( 3,946.6 - 1,299.2 ) Volume Invert Avail.Storage Storage Description #1 874.63' 5,386,618 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 874.63 225,955 0 0 875.00 791,747 188,275 188,275 876.00 912,103 851,925 1,040,200 880.00 1,261,106 4,346,418 5,386,618 Device Routing Invert Outlet Devices #1 Primary 874.63'28.5" W x 18.0" H, R=14.8"/40.7" Pipe Arch RCP_Arch 29x18 L= 187.0' RCP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 874.63' / 872.83' S= 0.0096 '/' Cc= 0.900 n= 0.013, Flow Area= 2.79 sf Primary OutFlow Max=2.87 cfs @ 23.51 hrs HW=875.23' (Free Discharge) 1=RCP_Arch 29x18 (Inlet Controls 2.87 cfs @ 2.34 fps) Summary for Pond W-3A: Wetland 3A Inflow Area = 64.071 ac, 16.54% Impervious, Inflow Depth = 0.95" for NURP/1 year event Inflow = 6.51 cfs @ 12.60 hrs, Volume= 5.076 af Outflow = 6.49 cfs @ 12.65 hrs, Volume= 5.076 af, Atten= 0%, Lag= 3.4 min Primary = 6.49 cfs @ 12.65 hrs, Volume= 5.076 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 75HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Peak Elev= 892.81' @ 12.65 hrs Surf.Area= 2,784 sf Storage= 1,767 cf Plug-Flow detention time= 12.4 min calculated for 5.076 af (100% of inflow) Center-of-Mass det. time= 11.3 min ( 1,930.8 - 1,919.5 ) Volume Invert Avail.Storage Storage Description #1 892.00' 35,594 cf Wetland 3A (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 892.00 1,570 0 0 894.00 4,562 6,132 6,132 896.00 7,450 12,012 18,144 898.00 10,000 17,450 35,594 Device Routing Invert Outlet Devices #1 Device 2 892.00'42.0" Round 42" Culvert L= 40.9' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 892.00' / 889.00' S= 0.0733 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf #2 Primary 885.50'42.0" Round 42" Culvert L= 70.5' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 885.50' / 885.20' S= 0.0043 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf Primary OutFlow Max=6.49 cfs @ 12.65 hrs HW=892.81' TW=879.10' (Dynamic Tailwater) 2=42" Culvert (Passes 6.49 cfs of 123.13 cfs potential flow) 1=42" Culvert (Inlet Controls 6.49 cfs @ 3.83 fps) Summary for Pond W-4: Wetland 4 Inflow Area = 64.071 ac, 16.54% Impervious, Inflow Depth = 0.95" for NURP/1 year event Inflow = 35.75 cfs @ 12.18 hrs, Volume= 5.077 af Outflow = 6.51 cfs @ 12.60 hrs, Volume= 5.076 af, Atten= 82%, Lag= 25.2 min Primary = 6.51 cfs @ 12.60 hrs, Volume= 5.076 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 894.20' @ 12.60 hrs Surf.Area= 206,900 sf Storage= 42,003 cf Plug-Flow detention time= 217.9 min calculated for 5.076 af (100% of inflow) Center-of-Mass det. time= 212.1 min ( 1,919.5 - 1,707.4 ) Volume Invert Avail.Storage Storage Description #1 894.00' 441,167 cf Wetland 4 (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 894.00 203,377 0 0 896.00 237,790 441,167 441,167 MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 76HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 894.00'30.0' long x 5.0' breadth Natural Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=6.51 cfs @ 12.60 hrs HW=894.20' TW=892.81' (Dynamic Tailwater) 1=Natural Weir (Weir Controls 6.51 cfs @ 1.06 fps) Table of Contents20090edrn Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC TABLE OF CONTENTS Project Reports 1 Routing Diagram 2 Rainfall Events Listing (selected events) 3 Area Listing (selected nodes) 4 Soil Listing (selected nodes) 2-Year Event 5 Node Listing 7 Subcat 8S: Waterbody 8 Subcat 18S: Area - B3 (PERV) 8 Subcat 19S: Area - C2 (PERV) 9 Subcat 20S: Area - C2 (IMP) 9 Subcat 27S: Area - C3 9 Subcat 47S: Area - B3 (IMP) 10 Subcat 48S: Area - B4 10 Subcat D-3A: Direct Runoff to IB2 10 Subcat D-3B: Runoff to IB2 11 Subcat D-3C: Runoff to IB2 11 Subcat D-W2: Runoff to W2 12 Subcat DW-3: Wetland 3 12 Subcat E-1: Wetland 1 Tributary Area 12 Subcat E-2: NORTHEAST AREA 13 Subcat E-3: SOUTH AREA 13 Subcat OFF-1: SOUTH OFFSITE 13 Subcat OFF-2: OFF-2 14 Subcat OFF-IB2: Offiste Runoff to IB2 14 Subcat SW: SW Waterbody (undelineated water body) 15 Subcat W4: Wetland 4 Runoff 15 Pond 1P: Wetland 1 16 Pond 2P: Wetland 2 Erhart Farm 16 Pond 3P: SW Waterbody (undelineated water body) 17 Pond 7P: Undelineated Waterbody 18 Pond 17P: POND1 18 Pond 25P: POND2 19 Pond IB-2: IB-2 21 Pond W-3: Wetland 3 (Wetland C from TH 101) 21 Pond W-3A: Wetland 3A 22 Pond W-4: Wetland 4 10-Year Event 23 Node Listing 25 Subcat 8S: Waterbody 26 Subcat 18S: Area - B3 (PERV) 26 Subcat 19S: Area - C2 (PERV) 27 Subcat 20S: Area - C2 (IMP) 27 Subcat 27S: Area - C3 Table of Contents20090edrn Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC 27 Subcat 47S: Area - B3 (IMP) 28 Subcat 48S: Area - B4 28 Subcat D-3A: Direct Runoff to IB2 28 Subcat D-3B: Runoff to IB2 29 Subcat D-3C: Runoff to IB2 29 Subcat D-W2: Runoff to W2 30 Subcat DW-3: Wetland 3 30 Subcat E-1: Wetland 1 Tributary Area 30 Subcat E-2: NORTHEAST AREA 31 Subcat E-3: SOUTH AREA 31 Subcat OFF-1: SOUTH OFFSITE 31 Subcat OFF-2: OFF-2 32 Subcat OFF-IB2: Offiste Runoff to IB2 32 Subcat SW: SW Waterbody (undelineated water body) 33 Subcat W4: Wetland 4 Runoff 33 Pond 1P: Wetland 1 34 Pond 2P: Wetland 2 Erhart Farm 34 Pond 3P: SW Waterbody (undelineated water body) 35 Pond 7P: Undelineated Waterbody 36 Pond 17P: POND1 36 Pond 25P: POND2 37 Pond IB-2: IB-2 39 Pond W-3: Wetland 3 (Wetland C from TH 101) 39 Pond W-3A: Wetland 3A 40 Pond W-4: Wetland 4 100-Year Event 41 Node Listing 43 Subcat 8S: Waterbody 44 Subcat 18S: Area - B3 (PERV) 44 Subcat 19S: Area - C2 (PERV) 45 Subcat 20S: Area - C2 (IMP) 45 Subcat 27S: Area - C3 45 Subcat 47S: Area - B3 (IMP) 46 Subcat 48S: Area - B4 46 Subcat D-3A: Direct Runoff to IB2 46 Subcat D-3B: Runoff to IB2 47 Subcat D-3C: Runoff to IB2 47 Subcat D-W2: Runoff to W2 48 Subcat DW-3: Wetland 3 48 Subcat E-1: Wetland 1 Tributary Area 48 Subcat E-2: NORTHEAST AREA 49 Subcat E-3: SOUTH AREA 49 Subcat OFF-1: SOUTH OFFSITE 49 Subcat OFF-2: OFF-2 50 Subcat OFF-IB2: Offiste Runoff to IB2 50 Subcat SW: SW Waterbody (undelineated water body) 51 Subcat W4: Wetland 4 Runoff Table of Contents20090edrn Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC 51 Pond 1P: Wetland 1 52 Pond 2P: Wetland 2 Erhart Farm 52 Pond 3P: SW Waterbody (undelineated water body) 53 Pond 7P: Undelineated Waterbody 54 Pond 17P: POND1 54 Pond 25P: POND2 55 Pond IB-2: IB-2 57 Pond W-3: Wetland 3 (Wetland C from TH 101) 57 Pond W-3A: Wetland 3A 58 Pond W-4: Wetland 4 NURP/1 year Event 59 Node Listing 61 Subcat 8S: Waterbody 62 Subcat 18S: Area - B3 (PERV) 62 Subcat 19S: Area - C2 (PERV) 63 Subcat 20S: Area - C2 (IMP) 63 Subcat 27S: Area - C3 63 Subcat 47S: Area - B3 (IMP) 64 Subcat 48S: Area - B4 64 Subcat D-3A: Direct Runoff to IB2 64 Subcat D-3B: Runoff to IB2 65 Subcat D-3C: Runoff to IB2 65 Subcat D-W2: Runoff to W2 66 Subcat DW-3: Wetland 3 66 Subcat E-1: Wetland 1 Tributary Area 66 Subcat E-2: NORTHEAST AREA 67 Subcat E-3: SOUTH AREA 67 Subcat OFF-1: SOUTH OFFSITE 67 Subcat OFF-2: OFF-2 68 Subcat OFF-IB2: Offiste Runoff to IB2 68 Subcat SW: SW Waterbody (undelineated water body) 69 Subcat W4: Wetland 4 Runoff 69 Pond 1P: Wetland 1 70 Pond 2P: Wetland 2 Erhart Farm 70 Pond 3P: SW Waterbody (undelineated water body) 71 Pond 7P: Undelineated Waterbody 72 Pond 17P: POND1 72 Pond 25P: POND2 73 Pond IB-2: IB-2 75 Pond W-3: Wetland 3 (Wetland C from TH 101) 75 Pond W-3A: Wetland 3A 76 Pond W-4: Wetland 4 8S Waterbody 18S Area - B3 (PERV) 19S Area - C2 (PERV) 20S Area - C2 (IMP) 27S Area - C3 47S Area - B3 (IMP) 48S Area - B4 D-3A Direct Runoff to IB2 D-3B Runoff to IB2 D-3C Runoff to IB2 D-W2 Runoff to W2 DW-3 Wetland 3 E-1 Wetland 1 Tributary Area E-2 NORTHEAST AREA E-3 SOUTH AREA OFF-1 SOUTH OFFSITE OFF-2 OFF-2 OFF-IB2 Offiste Runoff to IB2 SW SW Waterbody (undelineated water body) W4 Wetland 4 Runoff 1P Wetland 1 2P Wetland 2 Erhart Farm 3P SW Waterbody (undelineated water body) 7P Undelineated Waterbody 17P POND1 25P POND2 IB-2 IB-2 W-3 Wetland 3 (Wetland C from TH 101) W-3A Wetland 3A W-4 Wetland 4 Routing Diagram for 20090edrn Prepared by {enter your company name here}, Printed 9/28/2021 HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcat Reach Pond Link 20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 2HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Rainfall Events Listing (selected events) Event# Event Name Storm Type Curve Mode Duration (hours) B/B Depth (inches) AMC 1 2-Year MSE 24-hr 3 Default 24.00 1 2.87 2 2 10-Year MSE 24-hr 3 Default 24.00 1 4.26 2 3 100-Year MSE 24-hr 3 Default 24.00 1 7.38 2 4 NURP/1 year MSE 24-hr 3 Default 24.00 1 2.50 2 MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 3HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 8S: Waterbody Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=7.704 ac Runoff Volume=0.736 af Runoff Depth=1.15" Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ 16.34 cfs Subcatchment 18S: Area - B3 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=3.710 ac Runoff Volume=0.138 af Runoff Depth=0.45" Tc=20.0 min CN=65 1.39 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 4HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 19S: Area - C2 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)8 7 6 5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=19.593 ac Runoff Volume=0.731 af Runoff Depth=0.45" Tc=20.0 min CN=65 7.32 cfs Subcatchment 20S: Area - C2 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=3.285 ac Runoff Volume=0.722 af Runoff Depth=2.64" Tc=20.0 min CN=98 8.79 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 5HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 27S: Area - C3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=1.285 ac Runoff Volume=0.172 af Runoff Depth=1.60" Tc=5.0 min CN=WQ 3.41 cfs Subcatchment 47S: Area - B3 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=3.962 ac Runoff Volume=0.871 af Runoff Depth=2.64" Tc=20.0 min CN=WQ 10.60 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 6HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 48S: Area - B4 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.792 ac Runoff Volume=0.090 af Runoff Depth=1.36" Tc=5.0 min CN=WQ 1.78 cfs Subcatchment D-3A: Direct Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=1.176 ac Runoff Volume=0.092 af Runoff Depth=0.94" Tc=5.0 min CN=WQ 2.06 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 7HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-3B: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=1.414 ac Runoff Volume=0.184 af Runoff Depth=1.56" Tc=9.5 min CN=WQ 3.12 cfs Subcatchment D-3C: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=1.658 ac Runoff Volume=0.252 af Runoff Depth=1.82" Tc=8.2 min CN=WQ 4.54 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 8HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-W2: Runoff to W2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=11.436 ac Runoff Volume=1.228 af Runoff Depth=1.29" Flow Length=590' Tc=14.9 min CN=WQ 17.09 cfs Subcatchment DW-3: Wetland 3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=19.586 ac Runoff Volume=2.482 af Runoff Depth=1.52" Tc=8.0 min CN=WQ 46.93 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 9HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-1: Wetland 1 Tributary Area Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.518 ac Runoff Volume=0.042 af Runoff Depth=0.98" Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 1.01 cfs Subcatchment E-2: NORTHEAST AREA Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=2.260 ac Runoff Volume=0.185 af Runoff Depth=0.98" Flow Length=282' Slope=0.0975 '/' Tc=4.0 min CN=77 4.54 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 10HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-3: SOUTH AREA Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=24.030 ac Runoff Volume=2.140 af Runoff Depth=1.07" Flow Length=520' Slope=0.0730 '/' Tc=7.4 min CN=WQ 43.67 cfs Subcatchment OFF-1: SOUTH OFFSITE Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=1.032 ac Runoff Volume=0.115 af Runoff Depth=1.33" Tc=7.0 min CN=WQ 2.37 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 11HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment OFF-2: OFF-2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=10.624 ac Runoff Volume=1.191 af Runoff Depth=1.35" Tc=8.0 min CN=WQ 23.43 cfs Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=2.070 ac Runoff Volume=0.034 af Runoff Depth=0.20" Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ 0.19 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 12HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment SW: SW Waterbody (undelineated water body) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=35.775 ac Runoff Volume=4.486 af Runoff Depth=1.50" Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ 84.91 cfs Subcatchment W4: Wetland 4 Runoff Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=20.592 ac Runoff Volume=2.513 af Runoff Depth=1.46" Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ 44.71 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 13HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 1P: Wetland 1 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)1 0 Inflow Area=0.518 ac Peak Elev=905.07' Storage=1,633 cf 1.01 cfs 0.01 cfs0.01 cfs0.00 cfs Pond 2P: Wetland 2 Erhart Farm Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=84.085 ac Peak Elev=879.13' Storage=18,213 cf 23.86 cfs 17.71 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 14HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 3P: SW Waterbody (undelineated water body) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=35.775 ac Peak Elev=900.61' Storage=142,469 cf 84.91 cfs 2.33 cfs Pond 7P: Undelineated Waterbody Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=43.479 ac Peak Elev=896.27' Storage=30,538 cf 16.69 cfs 2.83 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 15HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 17P: POND1 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=8.464 ac Peak Elev=877.19' Storage=75,539 cf 12.36 cfs 5.57 cfs Pond 25P: POND2 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=24.163 ac Peak Elev=877.01' Storage=3.196 af 16.50 cfs 4.92 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 16HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond IB-2: IB-2 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)10 9 8 7 6 5 4 3 2 1 0 Inflow Area=6.318 ac Peak Elev=893.00' Storage=15,293 cf 9.45 cfs 0.55 cfs 0.02 cfs 0.53 cfs Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Inflow Area=172.502 ac Peak Elev=875.36' Storage=478,577 cf 28.5" x 18.0" R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' 127.17 cfs 3.93 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 17HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-3A: Wetland 3A Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)9 8 7 6 5 4 3 2 1 0 Inflow Area=64.071 ac Peak Elev=892.96' Storage=2,188 cf 8.92 cfs8.89 cfs Pond W-4: Wetland 4 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=64.071 ac Peak Elev=894.25' Storage=51,373 cf 44.71 cfs 8.92 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 18HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 8S: Waterbody Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=7.704 ac Runoff Volume=1.430 af Runoff Depth=2.23" Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ 31.91 cfs Subcatchment 18S: Area - B3 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=3.710 ac Runoff Volume=0.366 af Runoff Depth=1.18" Tc=20.0 min CN=65 4.54 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 19HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 19S: Area - C2 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=19.593 ac Runoff Volume=1.931 af Runoff Depth=1.18" Tc=20.0 min CN=65 23.98 cfs Subcatchment 20S: Area - C2 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=3.285 ac Runoff Volume=1.102 af Runoff Depth=4.02" Tc=20.0 min CN=98 13.16 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 20HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 27S: Area - C3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)6 5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=1.285 ac Runoff Volume=0.287 af Runoff Depth=2.68" Tc=5.0 min CN=WQ 5.82 cfs Subcatchment 47S: Area - B3 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=3.962 ac Runoff Volume=1.329 af Runoff Depth=4.02" Tc=20.0 min CN=WQ 15.87 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 21HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 48S: Area - B4 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.792 ac Runoff Volume=0.156 af Runoff Depth=2.37" Tc=5.0 min CN=WQ 3.21 cfs Subcatchment D-3A: Direct Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=1.176 ac Runoff Volume=0.188 af Runoff Depth=1.92" Tc=5.0 min CN=WQ 4.33 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 22HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-3B: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)6 5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=1.414 ac Runoff Volume=0.315 af Runoff Depth=2.67" Tc=9.5 min CN=WQ 5.44 cfs Subcatchment D-3C: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)8 7 6 5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=1.658 ac Runoff Volume=0.417 af Runoff Depth=3.02" Tc=8.2 min CN=WQ 7.56 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 23HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-W2: Runoff to W2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=11.436 ac Runoff Volume=2.215 af Runoff Depth=2.32" Flow Length=590' Tc=14.9 min CN=WQ 31.83 cfs Subcatchment DW-3: Wetland 3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=19.586 ac Runoff Volume=4.372 af Runoff Depth=2.68" Tc=8.0 min CN=WQ 83.37 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 24HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-1: Wetland 1 Tributary Area Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.518 ac Runoff Volume=0.087 af Runoff Depth=2.02" Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 2.08 cfs Subcatchment E-2: NORTHEAST AREA Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=2.260 ac Runoff Volume=0.380 af Runoff Depth=2.02" Flow Length=282' Slope=0.0975 '/' Tc=4.0 min CN=77 9.32 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 25HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-3: SOUTH AREA Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=24.030 ac Runoff Volume=4.252 af Runoff Depth=2.12" Flow Length=520' Slope=0.0730 '/' Tc=7.4 min CN=WQ 88.08 cfs Subcatchment OFF-1: SOUTH OFFSITE Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=1.032 ac Runoff Volume=0.212 af Runoff Depth=2.47" Tc=7.0 min CN=WQ 4.40 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 26HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment OFF-2: OFF-2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=10.624 ac Runoff Volume=2.202 af Runoff Depth=2.49" Tc=8.0 min CN=WQ 43.52 cfs Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=2.070 ac Runoff Volume=0.123 af Runoff Depth=0.71" Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ 1.21 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 27HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment SW: SW Waterbody (undelineated water body) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=35.775 ac Runoff Volume=8.030 af Runoff Depth=2.69" Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ 151.66 cfs Subcatchment W4: Wetland 4 Runoff Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=20.592 ac Runoff Volume=4.497 af Runoff Depth=2.62" Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ 80.61 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 28HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 1P: Wetland 1 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)2 1 0 Inflow Area=0.518 ac Peak Elev=905.34' Storage=2,897 cf 2.08 cfs 0.06 cfs0.01 cfs0.05 cfs Pond 2P: Wetland 2 Erhart Farm Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=84.085 ac Peak Elev=879.23' Storage=32,139 cf 48.72 cfs 39.69 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 29HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 3P: SW Waterbody (undelineated water body) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Inflow Area=35.775 ac Peak Elev=900.98' Storage=246,761 cf 151.66 cfs 5.72 cfs Pond 7P: Undelineated Waterbody Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=43.479 ac Peak Elev=896.48' Storage=35,694 cf 33.40 cfs 8.97 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 30HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 17P: POND1 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=8.464 ac Peak Elev=877.83' Storage=86,544 cf 21.22 cfs 8.85 cfs Pond 25P: POND2 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=24.163 ac Peak Elev=877.92' Storage=3.865 af 38.34 cfs 11.81 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 31HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond IB-2: IB-2 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=6.318 ac Peak Elev=894.09' Storage=25,256 cf 17.03 cfs 2.51 cfs 0.02 cfs 2.49 cfs Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)270 260 250 240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Inflow Area=172.502 ac Peak Elev=875.85' Storage=900,671 cf 28.5" x 18.0" R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' 244.94 cfs 8.81 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 32HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-3A: Wetland 3A Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=64.071 ac Peak Elev=893.61' Storage=4,453 cf 23.31 cfs23.24 cfs Pond W-4: Wetland 4 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=64.071 ac Peak Elev=894.45' Storage=93,804 cf 80.90 cfs 23.31 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 33HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 8S: Waterbody Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=7.704 ac Runoff Volume=3.195 af Runoff Depth=4.98" Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ 69.69 cfs Subcatchment 18S: Area - B3 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=3.710 ac Runoff Volume=1.051 af Runoff Depth=3.40" Tc=20.0 min CN=65 14.04 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 34HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 19S: Area - C2 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=19.593 ac Runoff Volume=5.550 af Runoff Depth=3.40" Tc=20.0 min CN=65 74.16 cfs Subcatchment 20S: Area - C2 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=3.285 ac Runoff Volume=1.955 af Runoff Depth=7.14" Tc=20.0 min CN=98 22.93 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 35HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 27S: Area - C3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=1.285 ac Runoff Volume=0.575 af Runoff Depth=5.37" Tc=5.0 min CN=WQ 11.80 cfs Subcatchment 47S: Area - B3 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=3.962 ac Runoff Volume=2.358 af Runoff Depth=7.14" Tc=20.0 min CN=WQ 27.66 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 36HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 48S: Area - B4 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.792 ac Runoff Volume=0.327 af Runoff Depth=4.96" Tc=5.0 min CN=WQ 6.85 cfs Subcatchment D-3A: Direct Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=1.176 ac Runoff Volume=0.444 af Runoff Depth=4.53" Tc=5.0 min CN=WQ 10.05 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 37HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-3B: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=1.414 ac Runoff Volume=0.640 af Runoff Depth=5.43" Tc=9.5 min CN=WQ 11.12 cfs Subcatchment D-3C: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=1.658 ac Runoff Volume=0.814 af Runoff Depth=5.89" Tc=8.2 min CN=WQ 14.71 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 38HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-W2: Runoff to W2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=11.436 ac Runoff Volume=4.741 af Runoff Depth=4.97" Flow Length=590' Tc=14.9 min CN=WQ 69.17 cfs Subcatchment DW-3: Wetland 3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=19.586 ac Runoff Volume=9.012 af Runoff Depth=5.52" Tc=8.0 min CN=WQ 170.18 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 39HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-1: Wetland 1 Tributary Area Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.518 ac Runoff Volume=0.203 af Runoff Depth=4.71" Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 4.71 cfs Subcatchment E-2: NORTHEAST AREA Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=2.260 ac Runoff Volume=0.887 af Runoff Depth=4.71" Flow Length=282' Slope=0.0975 '/' Tc=4.0 min CN=77 21.03 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 40HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-3: SOUTH AREA Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=24.030 ac Runoff Volume=9.690 af Runoff Depth=4.84" Flow Length=520' Slope=0.0730 '/' Tc=7.4 min CN=WQ 197.36 cfs Subcatchment OFF-1: SOUTH OFFSITE Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=1.032 ac Runoff Volume=0.456 af Runoff Depth=5.30" Tc=7.0 min CN=WQ 9.23 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 41HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment OFF-2: OFF-2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=10.624 ac Runoff Volume=4.707 af Runoff Depth=5.32" Tc=8.0 min CN=WQ 91.24 cfs Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=2.070 ac Runoff Volume=0.434 af Runoff Depth=2.51" Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ 5.33 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 42HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment SW: SW Waterbody (undelineated water body) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)340 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=35.775 ac Runoff Volume=16.650 af Runoff Depth=5.58" Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ 307.48 cfs Subcatchment W4: Wetland 4 Runoff Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=20.592 ac Runoff Volume=9.378 af Runoff Depth=5.47" Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ 165.98 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 43HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 1P: Wetland 1 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)5 4 3 2 1 0 Inflow Area=0.518 ac Peak Elev=905.48' Storage=3,704 cf 4.71 cfs 2.71 cfs 0.01 cfs 2.70 cfs Pond 2P: Wetland 2 Erhart Farm Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Inflow Area=84.085 ac Peak Elev=879.44' Storage=67,278 cf 131.92 cfs 112.01 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 44HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 3P: SW Waterbody (undelineated water body) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)340 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 0 Inflow Area=35.775 ac Peak Elev=901.85' Storage=496,160 cf 307.48 cfs 16.77 cfs Pond 7P: Undelineated Waterbody Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=43.479 ac Peak Elev=897.30' Storage=56,110 cf 75.73 cfs 48.28 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 45HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 17P: POND1 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=8.464 ac Peak Elev=879.54' Storage=119,315 cf 43.56 cfs 14.38 cfs Pond 25P: POND2 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)110 105 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=24.163 ac Peak Elev=880.22' Storage=5.535 af 100.24 cfs 56.98 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 46HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond IB-2: IB-2 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=6.318 ac Peak Elev=895.93' Storage=45,202 cf 37.02 cfs 9.51 cfs 0.03 cfs 9.48 cfs Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)600 550 500 450 400 350 300 250 200 150 100 50 0 Inflow Area=172.502 ac Peak Elev=877.10' Storage=2,093,333 cf 28.5" x 18.0" R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' 548.08 cfs 17.80 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 47HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-3A: Wetland 3A Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=64.071 ac Peak Elev=894.77' Storage=10,067 cf 57.94 cfs57.81 cfs Pond W-4: Wetland 4 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Inflow Area=64.071 ac Peak Elev=895.04' Storage=220,966 cf 213.02 cfs 57.94 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 48HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 8S: Waterbody Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=7.704 ac Runoff Volume=0.571 af Runoff Depth=0.89" Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ 12.54 cfs Subcatchment 18S: Area - B3 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)0.85 0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=3.710 ac Runoff Volume=0.092 af Runoff Depth=0.30" Tc=20.0 min CN=65 0.79 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 49HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 19S: Area - C2 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=19.593 ac Runoff Volume=0.486 af Runoff Depth=0.30" Tc=20.0 min CN=65 4.15 cfs Subcatchment 20S: Area - C2 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)8 7 6 5 4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=3.285 ac Runoff Volume=0.622 af Runoff Depth=2.27" Tc=20.0 min CN=98 7.62 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 50HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 27S: Area - C3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=1.285 ac Runoff Volume=0.143 af Runoff Depth=1.34" Tc=5.0 min CN=WQ 2.82 cfs Subcatchment 47S: Area - B3 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=3.962 ac Runoff Volume=0.750 af Runoff Depth=2.27" Tc=20.0 min CN=WQ 9.19 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 51HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 48S: Area - B4 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=0.792 ac Runoff Volume=0.074 af Runoff Depth=1.12" Tc=5.0 min CN=WQ 1.44 cfs Subcatchment D-3A: Direct Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=1.176 ac Runoff Volume=0.070 af Runoff Depth=0.72" Tc=5.0 min CN=WQ 1.53 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 52HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-3B: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=1.414 ac Runoff Volume=0.152 af Runoff Depth=1.29" Tc=9.5 min CN=WQ 2.56 cfs Subcatchment D-3C: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=1.658 ac Runoff Volume=0.210 af Runoff Depth=1.52" Tc=8.2 min CN=WQ 3.78 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 53HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-W2: Runoff to W2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=11.436 ac Runoff Volume=0.992 af Runoff Depth=1.04" Flow Length=590' Tc=14.9 min CN=WQ 13.63 cfs Subcatchment DW-3: Wetland 3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=19.586 ac Runoff Volume=2.017 af Runoff Depth=1.24" Tc=8.0 min CN=WQ 37.84 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 54HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-1: Wetland 1 Tributary Area Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=0.518 ac Runoff Volume=0.032 af Runoff Depth=0.74" Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 0.75 cfs Subcatchment E-2: NORTHEAST AREA Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=2.260 ac Runoff Volume=0.139 af Runoff Depth=0.74" Flow Length=282' Slope=0.0975 '/' Tc=4.0 min CN=77 3.39 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 55HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-3: SOUTH AREA Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=24.030 ac Runoff Volume=1.642 af Runoff Depth=0.82" Flow Length=520' Slope=0.0730 '/' Tc=7.4 min CN=WQ 32.97 cfs Subcatchment OFF-1: SOUTH OFFSITE Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=1.032 ac Runoff Volume=0.091 af Runoff Depth=1.05" Tc=7.0 min CN=WQ 1.86 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 56HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment OFF-2: OFF-2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=10.624 ac Runoff Volume=0.945 af Runoff Depth=1.07" Tc=8.0 min CN=WQ 18.44 cfs Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=2.070 ac Runoff Volume=0.019 af Runoff Depth=0.11" Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ 0.07 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 57HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment SW: SW Waterbody (undelineated water body) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=35.775 ac Runoff Volume=3.609 af Runoff Depth=1.21" Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ 68.02 cfs Subcatchment W4: Wetland 4 Runoff Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=20.592 ac Runoff Volume=2.025 af Runoff Depth=1.18" Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ 35.75 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 58HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 1P: Wetland 1 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=0.518 ac Peak Elev=904.95' Storage=1,212 cf 0.75 cfs 0.00 cfs0.00 cfs0.00 cfs Pond 2P: Wetland 2 Erhart Farm Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=84.085 ac Peak Elev=879.11' Storage=14,869 cf 18.47 cfs 13.23 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 59HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 3P: SW Waterbody (undelineated water body) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=35.775 ac Peak Elev=900.51' Storage=116,557 cf 68.02 cfs 1.64 cfs Pond 7P: Undelineated Waterbody Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=43.479 ac Peak Elev=896.23' Storage=29,520 cf 12.71 cfs 1.92 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 60HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 17P: POND1 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=8.464 ac Peak Elev=877.04' Storage=73,060 cf 10.24 cfs 4.52 cfs Pond 25P: POND2 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=24.163 ac Peak Elev=876.81' Storage=3.054 af 11.92 cfs 3.34 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 61HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond IB-2: IB-2 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)8 7 6 5 4 3 2 1 0 Inflow Area=6.318 ac Peak Elev=892.62' Storage=12,124 cf 7.65 cfs 0.48 cfs 0.02 cfs 0.46 cfs Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)110 105 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=172.502 ac Peak Elev=875.23' Storage=376,397 cf 28.5" x 18.0" R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' 99.04 cfs 2.87 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090edrn Printed 9/28/2021Prepared by {enter your company name here} Page 62HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-3A: Wetland 3A Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)7 6 5 4 3 2 1 0 Inflow Area=64.071 ac Peak Elev=892.81' Storage=1,767 cf 6.51 cfs6.49 cfs Pond W-4: Wetland 4 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=64.071 ac Peak Elev=894.20' Storage=42,003 cf 35.75 cfs 6.51 cfs Table of Contents20090edrn Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC TABLE OF CONTENTS Project Reports 1 Routing Diagram 2 Rainfall Events Listing (selected events) 2-Year Event 3 Subcat 8S: Waterbody 4 Subcat 18S: Area - B3 (PERV) 4 Subcat 19S: Area - C2 (PERV) 5 Subcat 20S: Area - C2 (IMP) 5 Subcat 27S: Area - C3 6 Subcat 47S: Area - B3 (IMP) 6 Subcat 48S: Area - B4 7 Subcat D-3A: Direct Runoff to IB2 7 Subcat D-3B: Runoff to IB2 8 Subcat D-3C: Runoff to IB2 8 Subcat D-W2: Runoff to W2 9 Subcat DW-3: Wetland 3 9 Subcat E-1: Wetland 1 Tributary Area 10 Subcat E-2: NORTHEAST AREA 10 Subcat E-3: SOUTH AREA 11 Subcat OFF-1: SOUTH OFFSITE 11 Subcat OFF-2: OFF-2 12 Subcat OFF-IB2: Offiste Runoff to IB2 12 Subcat SW: SW Waterbody (undelineated water body) 13 Subcat W4: Wetland 4 Runoff 13 Pond 1P: Wetland 1 14 Pond 2P: Wetland 2 Erhart Farm 14 Pond 3P: SW Waterbody (undelineated water body) 15 Pond 7P: Undelineated Waterbody 15 Pond 17P: POND1 16 Pond 25P: POND2 16 Pond IB-2: IB-2 17 Pond W-3: Wetland 3 (Wetland C from TH 101) 17 Pond W-3A: Wetland 3A 18 Pond W-4: Wetland 4 10-Year Event 18 Subcat 8S: Waterbody 19 Subcat 18S: Area - B3 (PERV) 19 Subcat 19S: Area - C2 (PERV) 20 Subcat 20S: Area - C2 (IMP) 20 Subcat 27S: Area - C3 21 Subcat 47S: Area - B3 (IMP) 21 Subcat 48S: Area - B4 22 Subcat D-3A: Direct Runoff to IB2 22 Subcat D-3B: Runoff to IB2 Table of Contents20090edrn Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC 23 Subcat D-3C: Runoff to IB2 23 Subcat D-W2: Runoff to W2 24 Subcat DW-3: Wetland 3 24 Subcat E-1: Wetland 1 Tributary Area 25 Subcat E-2: NORTHEAST AREA 25 Subcat E-3: SOUTH AREA 26 Subcat OFF-1: SOUTH OFFSITE 26 Subcat OFF-2: OFF-2 27 Subcat OFF-IB2: Offiste Runoff to IB2 27 Subcat SW: SW Waterbody (undelineated water body) 28 Subcat W4: Wetland 4 Runoff 28 Pond 1P: Wetland 1 29 Pond 2P: Wetland 2 Erhart Farm 29 Pond 3P: SW Waterbody (undelineated water body) 30 Pond 7P: Undelineated Waterbody 30 Pond 17P: POND1 31 Pond 25P: POND2 31 Pond IB-2: IB-2 32 Pond W-3: Wetland 3 (Wetland C from TH 101) 32 Pond W-3A: Wetland 3A 33 Pond W-4: Wetland 4 100-Year Event 33 Subcat 8S: Waterbody 34 Subcat 18S: Area - B3 (PERV) 34 Subcat 19S: Area - C2 (PERV) 35 Subcat 20S: Area - C2 (IMP) 35 Subcat 27S: Area - C3 36 Subcat 47S: Area - B3 (IMP) 36 Subcat 48S: Area - B4 37 Subcat D-3A: Direct Runoff to IB2 37 Subcat D-3B: Runoff to IB2 38 Subcat D-3C: Runoff to IB2 38 Subcat D-W2: Runoff to W2 39 Subcat DW-3: Wetland 3 39 Subcat E-1: Wetland 1 Tributary Area 40 Subcat E-2: NORTHEAST AREA 40 Subcat E-3: SOUTH AREA 41 Subcat OFF-1: SOUTH OFFSITE 41 Subcat OFF-2: OFF-2 42 Subcat OFF-IB2: Offiste Runoff to IB2 42 Subcat SW: SW Waterbody (undelineated water body) 43 Subcat W4: Wetland 4 Runoff 43 Pond 1P: Wetland 1 44 Pond 2P: Wetland 2 Erhart Farm 44 Pond 3P: SW Waterbody (undelineated water body) 45 Pond 7P: Undelineated Waterbody 45 Pond 17P: POND1 Table of Contents20090edrn Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC 46 Pond 25P: POND2 46 Pond IB-2: IB-2 47 Pond W-3: Wetland 3 (Wetland C from TH 101) 47 Pond W-3A: Wetland 3A 48 Pond W-4: Wetland 4 NURP/1 year Event 48 Subcat 8S: Waterbody 49 Subcat 18S: Area - B3 (PERV) 49 Subcat 19S: Area - C2 (PERV) 50 Subcat 20S: Area - C2 (IMP) 50 Subcat 27S: Area - C3 51 Subcat 47S: Area - B3 (IMP) 51 Subcat 48S: Area - B4 52 Subcat D-3A: Direct Runoff to IB2 52 Subcat D-3B: Runoff to IB2 53 Subcat D-3C: Runoff to IB2 53 Subcat D-W2: Runoff to W2 54 Subcat DW-3: Wetland 3 54 Subcat E-1: Wetland 1 Tributary Area 55 Subcat E-2: NORTHEAST AREA 55 Subcat E-3: SOUTH AREA 56 Subcat OFF-1: SOUTH OFFSITE 56 Subcat OFF-2: OFF-2 57 Subcat OFF-IB2: Offiste Runoff to IB2 57 Subcat SW: SW Waterbody (undelineated water body) 58 Subcat W4: Wetland 4 Runoff 58 Pond 1P: Wetland 1 59 Pond 2P: Wetland 2 Erhart Farm 59 Pond 3P: SW Waterbody (undelineated water body) 60 Pond 7P: Undelineated Waterbody 60 Pond 17P: POND1 61 Pond 25P: POND2 61 Pond IB-2: IB-2 62 Pond W-3: Wetland 3 (Wetland C from TH 101) 62 Pond W-3A: Wetland 3A 63 Pond W-4: Wetland 4 WETLAND 3WETLAND 2WETLAND 1HWL 904.6611032456789BLOCK 1OUTLOT A WETLAND 411121314151617OUTLOT BOUTLOT EOUTLOT BOUTLOT BBLOCK 1 B L O C K 1 EAGLE RIDGE WAY EAGLE RIDGE ROADEAGLE RIDGE ROAD96TH STREETPOND AND INFILTRATION BASINNWL 882.00HWL 885.50OUTLOT DEAGLE RIDGE ROAD EX HWL 876.79PR HWL 876.82EX HWL 879.45PR HWL 879.43EX HWL 895.05PR HWL 895.0418FILTRATION BASIN 2HWL 882.03INFILTRATION BASIN 3HWL 906.07FUTURE19FUTUREFUTURE BLOCK 2 LOTSFUTURE DEVELOPMENT(GHOST PLAT)EAGLE RIDGE ROAD STATE TRUNK HWY. NO. 101(GREAT PLAINS BLVD.)96TH STREETERHART FARM PROPOSED CONDITIONS DRAINAGE MAP 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700FOR REVIEW ONLYPRELIMINARYNOT FOR CONSTRUCTION LEGEND WETLAND 3WETLAND 2WETLAND 1HWL 904.66WETLAND 4POND AND INFILTRATION BASINNWL 882.00HWL 885.50EX HWL 876.79PR HWL 876.82EX HWL 879.45PR HWL 879.43EX HWL 895.05PR HWL 895.04FILTRATION BASIN 2HWL 882.03INFILTRATION BASIN 3HWL 906.07UNDELINEATED WATERBODYEX HWL 897.29PR HWL 897.30SW WATERBODYEX HWL 901.86PR HWL 901.85ERHART FARM PROPOSED OVERALL CONDITIONS DRAINAGE MAP 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700FOR REVIEW ONLYPRELIMINARYNOT FOR CONSTRUCTION LEGEND 1S 1S 2S 2S 3S 3S 4S Disturbed Area for Haul Road 5S 5S8S Wetland 18S Area - B3 (PERV) 19S Area - C2 (PERV)20S Area - C2 (IMP) 27S Area - C3 47S Area - B3 (IMP) 48S Area - B4 D-3A Direct Runoff to IB2 D-3B Runoff to IB2 D-3C Runoff to IB2 D-W2 Runoff to W2 DW-3 Wetland 3 E-1 Wetland 1 Tributary Area OFF-1 SOUTH OFFSITE OFF-2 OFF-2 OFF-IB2 Offiste Runoff to IB2 SW SW Waterbody (undelineated water body) W4 Wetland 4 Runoff 1P Pond 2P Filtration adjacent to Wetland 2 3P Wetland 1 4P Infiltration Basin 5P Disturbed Treatment Area 6P SW Waterbody (undelineated water body) 7P Undelineated Wetland 17P POND1 25P POND2 IB-2 IB-2 W-2 Wetland 2 Erhart Farm W-3 Wetland 3 (Wetland C from TH 101) W-3A Wetland 3A W-4 Wetland 4 Routing Diagram for 20090pdrn Prepared by {enter your company name here}, Printed 9/28/2021 HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcat Reach Pond Link 20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 2HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Rainfall Events Listing (selected events) Event# Event Name Storm Type Curve Mode Duration (hours) B/B Depth (inches) AMC 1 2-Year MSE 24-hr 3 Default 24.00 1 2.87 2 2 10-Year MSE 24-hr 3 Default 24.00 1 4.26 2 3 100-Year MSE 24-hr 3 Default 24.00 1 7.38 2 4 NURP/1 year MSE 24-hr 3 Default 24.00 1 2.50 2 20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 3HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area Listing (selected nodes) Area (acres) CN Description (subcatchment-numbers) 23.303 65 2 acre lots, 12% imp, HSG B (18S, 19S) 4.549 74 >75% Grass cover, Good, HSG C (D-3A, D-3B, D-3C, D-W2) 14.487 84 >75% Grass cover, Good, HSG D (1S, 2S, 3S, 5S) 10.159 80 >75% Grass cover, Good, HSG D (OFF-1, OFF-2) 0.547 84 Disturbed ground (4S) 0.643 98 Existing Impervious, HSG D (1S) 2.040 98 Imp - Pro Roadway (47S) 3.285 98 Imp - Pro roadway (20S) 1.922 98 Imp - ex parking lot (47S) 13.699 78 Meadow, non-grazed, HSG D (DW-3) 0.124 98 Paved roads w/curbs & sewers, HSG D (OFF-1) 1.008 98 Pond NWL (27S, 48S) 4.144 98 Proposed Impervious, HSG D (1S) 1.877 98 Roofs, HSG C (D-3A, D-3B, D-3C, D-W2) 1.373 98 Roofs, HSG D (OFF-2) 0.808 98 Unconnected roofs, HSG D (3S, SW, W4) 1.069 65 Upland (27S, 48S) 6.441 98 Water Surface, 0% imp, HSG D (8S, DW-3) 5.731 98 Water Surface, HSG D (SW) 7.524 98 Wetland (D-W2, W4) 3.086 60 Woods, Fair, HSG B (D-3A, D-3B, D-W2, OFF-IB2) 1.474 55 Woods, Good, HSG B (OFF-IB2) 22.418 77 Woods, Good, HSG D (1S, 2S, 3S, 8S, D-W2, E-1, W4) 37.533 82 Woods/grass comb., Fair, HSG D (SW, W4) 3.495 79 Woods/grass comb., Good, HSG D (8S) 172.739 81 TOTAL AREA 20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 4HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Soil Listing (selected nodes) Area (acres) Soil Group Subcatchment Numbers 0.000 HSG A 27.863 HSG B 18S, 19S, D-3A, D-3B, D-W2, OFF-IB2 6.426 HSG C D-3A, D-3B, D-3C, D-W2 121.055 HSG D 1S, 2S, 3S, 5S, 8S, D-W2, DW-3, E-1, OFF-1, OFF-2, SW, W4 17.395 Other 4S, 20S, 27S, 47S, 48S, D-W2, W4 172.739 TOTAL AREA MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 5HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-600.00 hrs, dt=0.01 hrs, 60001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=21.165 ac 22.62% Impervious Runoff Depth=1.60"Subcatchment 1S: 1S Flow Length=160' Slope=0.0200 '/' Tc=11.8 min CN=WQ Runoff=46.75 cfs 2.827 af Runoff Area=0.748 ac 0.00% Impervious Runoff Depth=1.05"Subcatchment 2S: 2S Flow Length=194' Tc=3.9 min CN=WQ Runoff=1.62 cfs 0.066 af Runoff Area=4.232 ac 10.66% Impervious Runoff Depth=1.33"Subcatchment 3S: 3S Flow Length=165' Slope=0.0634 '/' Tc=2.8 min UI Adjusted CN=WQ Runoff=11.61 cfs 0.469 af Runoff Area=0.547 ac 0.00% Impervious Runoff Depth=1.41"Subcatchment 4S: Disturbed Area for Haul Flow Length=266' Tc=10.2 min CN=84 Runoff=1.19 cfs 0.064 af Runoff Area=0.497 ac 0.00% Impervious Runoff Depth=1.41"Subcatchment 5S: 5S Flow Length=194' Tc=3.9 min CN=84 Runoff=1.44 cfs 0.058 af Runoff Area=7.704 ac 0.00% Impervious Runoff Depth=1.15"Subcatchment 8S: Wetland Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ Runoff=16.34 cfs 0.736 af Runoff Area=3.710 ac 12.00% Impervious Runoff Depth=0.45"Subcatchment 18S: Area - B3 (PERV) Tc=20.0 min CN=65 Runoff=1.39 cfs 0.138 af Runoff Area=19.593 ac 12.00% Impervious Runoff Depth=0.45"Subcatchment 19S: Area - C2 (PERV) Tc=20.0 min CN=65 Runoff=7.32 cfs 0.731 af Runoff Area=3.285 ac 100.00% Impervious Runoff Depth=2.64"Subcatchment 20S: Area - C2 (IMP) Tc=20.0 min CN=98 Runoff=8.79 cfs 0.722 af Runoff Area=1.285 ac 52.76% Impervious Runoff Depth=1.60"Subcatchment 27S: Area - C3 Tc=5.0 min CN=WQ Runoff=3.41 cfs 0.172 af Runoff Area=3.962 ac 100.00% Impervious Runoff Depth=2.64"Subcatchment 47S: Area - B3 (IMP) Tc=20.0 min CN=WQ Runoff=10.60 cfs 0.871 af Runoff Area=0.792 ac 41.67% Impervious Runoff Depth=1.36"Subcatchment 48S: Area - B4 Tc=5.0 min CN=WQ Runoff=1.78 cfs 0.090 af Runoff Area=1.176 ac 7.31% Impervious Runoff Depth=0.94"Subcatchment D-3A: Direct Runoff to IB2 Tc=5.0 min CN=WQ Runoff=2.06 cfs 0.092 af Runoff Area=1.414 ac 43.35% Impervious Runoff Depth=1.56"Subcatchment D-3B: Runoff to IB2 Tc=9.5 min CN=WQ Runoff=3.12 cfs 0.184 af Runoff Area=1.658 ac 54.89% Impervious Runoff Depth=1.82"Subcatchment D-3C: Runoff to IB2 Tc=8.2 min CN=WQ Runoff=4.54 cfs 0.252 af Runoff Area=11.436 ac 28.69% Impervious Runoff Depth=1.29"Subcatchment D-W2: Runoff to W2 Flow Length=590' Tc=14.9 min CN=WQ Runoff=17.09 cfs 1.228 af MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 6HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Runoff Area=19.612 ac 0.00% Impervious Runoff Depth=1.52"Subcatchment DW-3: Wetland 3 Tc=8.0 min CN=WQ Runoff=46.97 cfs 2.484 af Runoff Area=0.302 ac 0.00% Impervious Runoff Depth=0.98"Subcatchment E-1: Wetland 1 Tributary Area Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 Runoff=0.59 cfs 0.025 af Runoff Area=1.032 ac 12.02% Impervious Runoff Depth=1.33"Subcatchment OFF-1: SOUTH OFFSITE Flow Length=433' Slope=0.0276 '/' Tc=9.2 min CN=WQ Runoff=2.15 cfs 0.115 af Runoff Area=462,782 sf 12.92% Impervious Runoff Depth=1.35"Subcatchment OFF-2: OFF-2 Flow Length=647' Slope=0.0340 '/' Tc=11.4 min CN=WQ Runoff=20.25 cfs 1.191 af Runoff Area=2.070 ac 0.00% Impervious Runoff Depth=0.20"Subcatchment OFF-IB2: Offiste Runoff to IB2 Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ Runoff=0.19 cfs 0.034 af Runoff Area=35.775 ac 16.69% Impervious Runoff Depth=1.50"Subcatchment SW: SW Waterbody Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ Runoff=84.91 cfs 4.486 af Runoff Area=20.120 ac 23.00% Impervious Runoff Depth=1.48"Subcatchment W4: Wetland 4 Runoff Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ Runoff=44.03 cfs 2.476 af Peak Elev=883.09' Storage=84,896 cf Inflow=48.78 cfs 2.942 afPond 1P: Pond Primary=37.87 cfs 2.942 af Secondary=0.00 cfs 0.000 af Outflow=37.87 cfs 2.942 af Peak Elev=882.00' Storage=1,024 cf Inflow=1.44 cfs 0.058 afPond 2P: Filtration adjacent to Wetland 2 Discarded=0.00 cfs 0.013 af Primary=0.03 cfs 0.025 af Secondary=0.83 cfs 0.018 af Outflow=0.86 cfs 0.056 af Peak Elev=904.85' Storage=875 cf Inflow=0.59 cfs 0.025 afPond 3P: Wetland 1 Discarded=0.01 cfs 0.025 af Primary=0.00 cfs 0.000 af Outflow=0.01 cfs 0.025 af Peak Elev=882.55' Storage=39,117 cf Inflow=37.87 cfs 2.942 afPond 4P: Infiltration Basin Discarded=1.15 cfs 1.565 af Primary=20.97 cfs 1.377 af Secondary=0.00 cfs 0.000 af Outflow=22.12 cfs 2.942 af Peak Elev=905.20' Storage=1,942 cf Inflow=1.19 cfs 0.064 afPond 5P: Disturbed Treatment Area Discarded=0.03 cfs 0.064 af Primary=0.00 cfs 0.000 af Secondary=0.00 cfs 0.000 af Outflow=0.03 cfs 0.064 af Peak Elev=900.61' Storage=142,469 cf Inflow=84.91 cfs 4.486 afPond 6P: SW Waterbody (undelineated Outflow=2.33 cfs 3.956 af Peak Elev=896.27' Storage=30,538 cf Inflow=16.69 cfs 4.692 afPond 7P: Undelineated Wetland Outflow=2.83 cfs 4.094 af Peak Elev=877.19' Storage=75,539 cf Inflow=12.36 cfs 1.100 afPond 17P: POND1 Outflow=5.57 cfs 1.099 af Peak Elev=877.01' Storage=3.196 af Inflow=16.50 cfs 1.625 afPond 25P: POND2 Outflow=4.92 cfs 1.624 af Peak Elev=893.00' Storage=15,293 cf Inflow=9.45 cfs 0.562 afPond IB-2: IB-2 Discarded=0.02 cfs 0.092 af Primary=0.53 cfs 0.470 af Outflow=0.55 cfs 0.562 af MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 7HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Peak Elev=879.13' Storage=17,639 cf Inflow=23.26 cfs 8.376 afPond W-2: Wetland 2 Erhart Farm Outflow=16.92 cfs 8.375 af Peak Elev=875.34' Storage=461,822 cf Inflow=80.71 cfs 16.620 afPond W-3: Wetland 3 (Wetland C from 28.5" x 18.0", R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' Outflow=3.75 cfs 16.516 af Peak Elev=892.95' Storage=2,161 cf Inflow=8.76 cfs 6.569 afPond W-3A: Wetland 3A Outflow=8.72 cfs 6.569 af Peak Elev=894.25' Storage=50,773 cf Inflow=44.03 cfs 6.570 afPond W-4: Wetland 4 Outflow=8.76 cfs 6.569 af Total Runoff Area = 172.739 ac Runoff Volume = 19.512 af Average Runoff Depth = 1.36" 80.74% Pervious = 139.464 ac 19.26% Impervious = 33.275 ac MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 8HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 1S: 1S Runoff = 46.75 cfs @ 12.20 hrs, Volume= 2.827 af, Depth= 1.60" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description * 12.169 84 >75% Grass cover, Good, HSG D * 4.144 98 Proposed Impervious, HSG D * 0.643 98 Existing Impervious, HSG D 4.209 77 Woods, Good, HSG D 21.165 Weighted Average 16.378 77.38% Pervious Area 4.787 22.62% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.3 100 0.0200 0.16 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.5 60 0.0200 2.12 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 1.0 Direct Entry, Pipe Flow 11.8 160 Total Summary for Subcatchment 2S: 2S Runoff = 1.62 cfs @ 12.12 hrs, Volume= 0.066 af, Depth= 1.05" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description * 0.126 84 >75% Grass cover, Good, HSG D 0.622 77 Woods, Good, HSG D 0.748 Weighted Average 0.748 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.5 65 0.1231 0.31 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.4 129 0.1130 5.04 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 3.9 194 Total MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 9HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 3S: 3S Runoff = 11.61 cfs @ 12.11 hrs, Volume= 0.469 af, Depth= 1.33" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Adj Description * 1.695 84 84 >75% Grass cover, Good, HSG D 0.451 98 98 Unconnected roofs, HSG D 2.086 77 77 Woods, Good, HSG D 4.232 Weighted Average 3.781 89.34% Pervious Area 0.451 10.66% Impervious Area 0.451 100.00% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.8 165 0.0634 0.98 Lag/CN Method, Summary for Subcatchment 4S: Disturbed Area for Haul Road Runoff = 1.19 cfs @ 12.18 hrs, Volume= 0.064 af, Depth= 1.41" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description * 0.547 84 Disturbed ground 0.547 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 56 0.0200 0.10 Sheet Flow, Grass: Dense n= 0.240 P2= 2.87" 0.7 210 0.1000 4.74 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 10.2 266 Total Summary for Subcatchment 5S: 5S Runoff = 1.44 cfs @ 12.12 hrs, Volume= 0.058 af, Depth= 1.41" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 10HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description * 0.497 84 >75% Grass cover, Good, HSG D 0.497 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.5 65 0.1231 0.31 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.4 129 0.1130 5.04 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 3.9 194 Total Summary for Subcatchment 8S: Wetland Runoff = 16.34 cfs @ 12.13 hrs, Volume= 0.736 af, Depth= 1.15" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 3.495 79 Woods/grass comb., Good, HSG D 0.528 98 Water Surface, 0% imp, HSG D 3.681 77 Woods, Good, HSG D 7.704 Weighted Average 7.704 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.6 335 0.0596 1.00 Lag/CN Method, Summary for Subcatchment 18S: Area - B3 (PERV) Runoff = 1.39 cfs @ 12.36 hrs, Volume= 0.138 af, Depth= 0.45" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 3.710 65 2 acre lots, 12% imp, HSG B 3.265 88.00% Pervious Area 0.445 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 11HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 19S: Area - C2 (PERV) Runoff = 7.32 cfs @ 12.36 hrs, Volume= 0.731 af, Depth= 0.45" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 19.593 65 2 acre lots, 12% imp, HSG B 17.242 88.00% Pervious Area 2.351 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 20S: Area - C2 (IMP) Runoff = 8.79 cfs @ 12.29 hrs, Volume= 0.722 af, Depth= 2.64" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description * 3.285 98 Imp - Pro roadway 3.285 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 27S: Area - C3 Runoff = 3.41 cfs @ 12.12 hrs, Volume= 0.172 af, Depth= 1.60" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description * 0.607 65 Upland * 0.678 98 Pond NWL 1.285 Weighted Average 0.607 47.24% Pervious Area 0.678 52.76% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 12HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 47S: Area - B3 (IMP) Runoff = 10.60 cfs @ 12.29 hrs, Volume= 0.871 af, Depth= 2.64" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description * 1.922 98 Imp - ex parking lot * 2.040 98 Imp - Pro Roadway 3.962 Weighted Average 3.962 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 48S: Area - B4 Runoff = 1.78 cfs @ 12.13 hrs, Volume= 0.090 af, Depth= 1.36" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description * 0.330 98 Pond NWL * 0.462 65 Upland 0.792 Weighted Average 0.462 58.33% Pervious Area 0.330 41.67% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3A: Direct Runoff to IB2 Runoff = 2.06 cfs @ 12.13 hrs, Volume= 0.092 af, Depth= 0.94" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.086 98 Roofs, HSG C 1.051 74 >75% Grass cover, Good, HSG C 0.039 60 Woods, Fair, HSG B 1.176 Weighted Average 1.090 92.69% Pervious Area 0.086 7.31% Impervious Area MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 13HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3B: Runoff to IB2 Runoff = 3.12 cfs @ 12.17 hrs, Volume= 0.184 af, Depth= 1.56" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.613 98 Roofs, HSG C 0.135 60 Woods, Fair, HSG B 0.666 74 >75% Grass cover, Good, HSG C 1.414 Weighted Average 0.801 56.65% Pervious Area 0.613 43.35% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 Direct Entry, Summary for Subcatchment D-3C: Runoff to IB2 Runoff = 4.54 cfs @ 12.16 hrs, Volume= 0.252 af, Depth= 1.82" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.910 98 Roofs, HSG C 0.748 74 >75% Grass cover, Good, HSG C 1.658 Weighted Average 0.748 45.11% Pervious Area 0.910 54.89% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.2 Direct Entry, Summary for Subcatchment D-W2: Runoff to W2 Runoff = 17.09 cfs @ 12.24 hrs, Volume= 1.228 af, Depth= 1.29" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 14HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description 0.268 98 Roofs, HSG C 2.316 60 Woods, Fair, HSG B * 3.013 98 Wetland 2.084 74 >75% Grass cover, Good, HSG C 3.755 77 Woods, Good, HSG D 11.436 Weighted Average 8.155 71.31% Pervious Area 3.281 28.69% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.4 400 0.1300 1.53 Lag/CN Method, 10.5 190 0.0700 0.30 Sheet Flow, backyard swale Grass: Short n= 0.150 P2= 2.87" 14.9 590 Total Summary for Subcatchment DW-3: Wetland 3 Runoff = 46.97 cfs @ 12.15 hrs, Volume= 2.484 af, Depth= 1.52" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 5.913 98 Water Surface, 0% imp, HSG D 13.699 78 Meadow, non-grazed, HSG D 19.612 Weighted Average 19.612 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Summary for Subcatchment E-1: Wetland 1 Tributary Area Runoff = 0.59 cfs @ 12.12 hrs, Volume= 0.025 af, Depth= 0.98" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.302 77 Woods, Good, HSG D 0.302 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.6 101 0.0146 0.37 Lag/CN Method, MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 15HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-1: SOUTH OFFSITE Runoff = 2.15 cfs @ 12.17 hrs, Volume= 0.115 af, Depth= 1.33" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.908 80 >75% Grass cover, Good, HSG D 0.124 98 Paved roads w/curbs & sewers, HSG D 1.032 Weighted Average 0.908 87.98% Pervious Area 0.124 12.02% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.2 433 0.0276 0.79 Lag/CN Method, Summary for Subcatchment OFF-2: OFF-2 Runoff = 20.25 cfs @ 12.20 hrs, Volume= 1.191 af, Depth= 1.35" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (sf) CN Description 59,808 98 Roofs, HSG D 402,974 80 >75% Grass cover, Good, HSG D 462,782 Weighted Average 402,974 87.08% Pervious Area 59,808 12.92% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 11.4 647 0.0340 0.94 Lag/CN Method, Summary for Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff = 0.19 cfs @ 12.51 hrs, Volume= 0.034 af, Depth= 0.20" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.596 60 Woods, Fair, HSG B 1.474 55 Woods, Good, HSG B 2.070 Weighted Average 2.070 100.00% Pervious Area MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 16HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 21.9 430 0.0200 0.33 Lag/CN Method, Summary for Subcatchment SW: SW Waterbody (undelineated water body) Runoff = 84.91 cfs @ 12.17 hrs, Volume= 4.486 af, Depth= 1.50" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.240 98 Unconnected roofs, HSG D 5.731 98 Water Surface, HSG D 29.804 82 Woods/grass comb., Fair, HSG D 35.775 Weighted Average 29.804 83.31% Pervious Area 5.971 16.69% Impervious Area 0.240 4.02% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.0 678 0.0479 1.25 Lag/CN Method, Summary for Subcatchment W4: Wetland 4 Runoff Runoff = 44.03 cfs @ 12.18 hrs, Volume= 2.476 af, Depth= 1.48" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description * 4.511 98 Wetland 7.763 77 Woods, Good, HSG D 7.729 82 Woods/grass comb., Fair, HSG D 0.117 98 Unconnected roofs, HSG D 20.120 Weighted Average 15.492 77.00% Pervious Area 4.628 23.00% Impervious Area 0.117 2.53% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.8 640 0.0400 1.09 Lag/CN Method, MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 17HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 1P: Pond Inflow Area = 22.499 ac, 21.83% Impervious, Inflow Depth = 1.57" for 2-Year event Inflow = 48.78 cfs @ 12.20 hrs, Volume= 2.942 af Outflow = 37.87 cfs @ 12.27 hrs, Volume= 2.942 af, Atten= 22%, Lag= 4.7 min Primary = 37.87 cfs @ 12.27 hrs, Volume= 2.942 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 882.00' Surf.Area= 35,975 sf Storage= 63,977 cf Peak Elev= 883.09' @ 12.28 hrs Surf.Area= 38,311 sf Storage= 84,896 cf (20,920 cf above start) Plug-Flow detention time= 209.4 min calculated for 1.473 af (50% of inflow) Center-of-Mass det. time= 21.7 min ( 817.7 - 796.0 ) Volume Invert Avail.Storage Storage Description #1 872.00' 63,977 cf Dead Storage (Prismatic) Listed below (Recalc) #2 882.00' 89,285 cf Live Storage (Prismatic) Listed below (Recalc) 153,262 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 872.00 1,179 0 0 874.00 2,589 3,768 3,768 876.00 4,525 7,114 10,882 878.00 6,736 11,261 22,143 880.00 9,721 16,457 38,600 881.00 11,522 10,622 49,222 882.00 17,988 14,755 63,977 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 882.00 17,987 0 0 884.00 22,265 40,252 40,252 886.00 26,768 49,033 89,285 Device Routing Invert Outlet Devices #1 Primary 880.68'27.0" Round Culvert L= 55.2' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 880.68' / 880.50' S= 0.0033 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #2 Primary 880.57'27.0" Round Culvert L= 23.8' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 880.57' / 880.50' S= 0.0029 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #3 Device 1 882.00'5.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 #4 Device 2 882.00'5.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 18HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC #5 Secondary 884.00'193.1' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=37.72 cfs @ 12.27 hrs HW=883.09' TW=882.05' (Dynamic Tailwater) 1=Culvert (Passes 18.86 cfs of 18.92 cfs potential flow) 3=Broad-Crested Rectangular Weir (Weir Controls 18.86 cfs @ 3.46 fps) 2=Culvert (Passes 18.86 cfs of 20.28 cfs potential flow) 4=Broad-Crested Rectangular Weir (Weir Controls 18.86 cfs @ 3.46 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=882.00' TW=880.50' (Dynamic Tailwater) 5=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 2P: Filtration adjacent to Wetland 2 Inflow Area = 0.497 ac, 0.00% Impervious, Inflow Depth = 1.41" for 2-Year event Inflow = 1.44 cfs @ 12.12 hrs, Volume= 0.058 af Outflow = 0.86 cfs @ 12.17 hrs, Volume= 0.056 af, Atten= 40%, Lag= 2.9 min Discarded = 0.00 cfs @ 11.62 hrs, Volume= 0.013 af Primary = 0.03 cfs @ 12.16 hrs, Volume= 0.025 af Secondary = 0.83 cfs @ 12.17 hrs, Volume= 0.018 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 882.00' @ 12.17 hrs Surf.Area= 3,743 sf Storage= 1,024 cf Plug-Flow detention time= 650.7 min calculated for 0.056 af (96% of inflow) Center-of-Mass det. time= 629.8 min ( 1,436.4 - 806.6 ) Volume Invert Avail.Storage Storage Description #1 879.85' 103 cf Infiltration Volume (Prismatic) Listed below (Recalc) 342 cf Overall x 30.0% Voids #2 880.17' 479 cf Filtration Volume (Prismatic) Listed below (Recalc) 1,596 cf Overall x 30.0% Voids #3 881.67' 1,246 cf Live Storage (Prismatic) Listed below (Recalc) 1,827 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.85 1,070 0 0 880.17 1,070 342 342 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 880.17 1,064 0 0 881.67 1,064 1,596 1,596 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 881.67 1,064 0 0 882.00 1,609 441 441 882.50 1,609 805 1,246 MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 19HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Discarded 879.85'0.080 in/hr Exfiltration over Surface area from 879.85' - 880.17' Excluded Surface area = 1,070 sf Phase-In= 0.01' #2 Primary 880.17'0.800 in/hr Exfiltration over Surface area above 880.17' Excluded Surface area = 2,134 sf Phase-In= 0.01' #3 Secondary 881.99'275.3' long x 1.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 Coef. (English) 2.69 2.72 2.75 2.85 2.98 3.08 3.20 3.28 3.31 3.30 3.31 3.32 Discarded OutFlow Max=0.00 cfs @ 11.62 hrs HW=880.18' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.00 cfs) Primary OutFlow Max=0.03 cfs @ 12.16 hrs HW=882.00' TW=879.07' (Dynamic Tailwater) 2=Exfiltration (Exfiltration Controls 0.03 cfs) Secondary OutFlow Max=0.81 cfs @ 12.17 hrs HW=882.00' TW=879.07' (Dynamic Tailwater) 3=Broad-Crested Rectangular Weir (Weir Controls 0.81 cfs @ 0.28 fps) Summary for Pond 3P: Wetland 1 Inflow Area = 0.302 ac, 0.00% Impervious, Inflow Depth = 0.98" for 2-Year event Inflow = 0.59 cfs @ 12.12 hrs, Volume= 0.025 af Outflow = 0.01 cfs @ 20.86 hrs, Volume= 0.025 af, Atten= 99%, Lag= 524.3 min Discarded = 0.01 cfs @ 20.86 hrs, Volume= 0.025 af Primary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 904.85' @ 20.86 hrs Surf.Area= 3,762 sf Storage= 875 cf Plug-Flow detention time= 2,144.1 min calculated for 0.025 af (100% of inflow) Center-of-Mass det. time= 2,144.2 min ( 2,968.8 - 824.6 ) Volume Invert Avail.Storage Storage Description #1 904.20' 3,679 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.20 134 0 0 904.40 408 54 54 904.60 1,089 150 204 904.80 3,690 478 682 905.00 3,969 766 1,448 905.20 4,340 831 2,279 905.40 4,834 917 3,196 905.50 4,834 483 3,679 MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 20HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 905.33'14.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) #2 Discarded 904.20'0.060 in/hr Exfiltration over Surface area Discarded OutFlow Max=0.01 cfs @ 20.86 hrs HW=904.85' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.01 cfs) Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=904.20' TW=882.00' (Dynamic Tailwater) 1=Sharp-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 4P: Infiltration Basin Inflow Area = 22.499 ac, 21.83% Impervious, Inflow Depth = 1.57" for 2-Year event Inflow = 37.87 cfs @ 12.27 hrs, Volume= 2.942 af Outflow = 22.12 cfs @ 12.47 hrs, Volume= 2.942 af, Atten= 42%, Lag= 11.8 min Discarded = 1.15 cfs @ 12.47 hrs, Volume= 1.565 af Primary = 20.97 cfs @ 12.47 hrs, Volume= 1.377 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 882.55' @ 12.47 hrs Surf.Area= 41,358 sf Storage= 39,117 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 246.1 min ( 1,063.7 - 817.7 ) Volume Invert Avail.Storage Storage Description #1 880.50' 27,737 cf Infiltration Volume (Prismatic) Listed below (Recalc) #2 882.00' 99,100 cf Live Storage (Prismatic) Listed below (Recalc) 126,837 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 880.50 16,945 0 0 882.00 20,038 27,737 27,737 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 882.00 20,038 0 0 884.00 24,699 44,737 44,737 886.00 29,664 54,363 99,100 Device Routing Invert Outlet Devices #1 Primary 878.17'27.0" Round Culvert L= 52.0' RCP, mitered to conform to fill, Ke= 0.700 Inlet / Outlet Invert= 878.17' / 878.00' S= 0.0033 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #2 Discarded 880.50'1.200 in/hr Exfiltration over Surface area #3 Device 1 882.00'60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Secondary 885.90'5.0' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 21HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Discarded OutFlow Max=1.15 cfs @ 12.47 hrs HW=882.55' (Free Discharge) 2=Exfiltration (Exfiltration Controls 1.15 cfs) Primary OutFlow Max=20.97 cfs @ 12.47 hrs HW=882.55' TW=874.95' (Dynamic Tailwater) 1=Culvert (Passes 20.97 cfs of 30.48 cfs potential flow) 3=Orifice/Grate (Weir Controls 20.97 cfs @ 2.43 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=880.50' TW=874.63' (Dynamic Tailwater) 4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 5P: Disturbed Treatment Area Inflow Area = 0.547 ac, 0.00% Impervious, Inflow Depth = 1.41" for 2-Year event Inflow = 1.19 cfs @ 12.18 hrs, Volume= 0.064 af Outflow = 0.03 cfs @ 15.27 hrs, Volume= 0.064 af, Atten= 98%, Lag= 185.4 min Discarded = 0.03 cfs @ 15.27 hrs, Volume= 0.064 af Primary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 905.20' @ 15.27 hrs Surf.Area= 3,015 sf Storage= 1,942 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 764.0 min ( 1,576.5 - 812.4 ) Volume Invert Avail.Storage Storage Description #1 904.50' 6,339 cf Live Storage (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.50 2,570 0 0 906.00 3,529 4,574 4,574 906.50 3,529 1,765 6,339 Device Routing Invert Outlet Devices #1 Discarded 904.50'0.375 in/hr Exfiltration over Surface area #2 Primary 905.25'6.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 906.00'61.9' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 22HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Discarded OutFlow Max=0.03 cfs @ 15.27 hrs HW=905.20' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.03 cfs) Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=904.50' TW=894.00' (Dynamic Tailwater) 2=Orifice/Grate ( Controls 0.00 cfs) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=904.50' TW=894.00' (Dynamic Tailwater) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 6P: SW Waterbody (undelineated water body) Inflow Area = 35.775 ac, 16.69% Impervious, Inflow Depth = 1.50" for 2-Year event Inflow = 84.91 cfs @ 12.17 hrs, Volume= 4.486 af Outflow = 2.33 cfs @ 15.10 hrs, Volume= 3.956 af, Atten= 97%, Lag= 176.0 min Primary = 2.33 cfs @ 15.10 hrs, Volume= 3.956 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 900.61' @ 15.10 hrs Surf.Area= 271,570 sf Storage= 142,469 cf Plug-Flow detention time= 1,341.2 min calculated for 3.956 af (88% of inflow) Center-of-Mass det. time= 1,293.0 min ( 2,091.8 - 798.8 ) Volume Invert Avail.Storage Storage Description #1 900.00' 537,615 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 900.00 90,358 0 0 900.20 256,659 34,702 34,702 901.00 285,893 217,021 251,722 902.00 285,893 285,893 537,615 Device Routing Invert Outlet Devices #1 Primary 900.15'2.3' long Sharp-Crested Vee/Trap Weir Cv= 2.62 (C= 3.28) Primary OutFlow Max=2.33 cfs @ 15.10 hrs HW=900.61' TW=896.27' (Dynamic Tailwater) 1=Sharp-Crested Vee/Trap Weir (Weir Controls 2.33 cfs @ 2.22 fps) Summary for Pond 7P: Undelineated Wetland Inflow Area = 43.479 ac, 13.73% Impervious, Inflow Depth = 1.30" for 2-Year event Inflow = 16.69 cfs @ 12.13 hrs, Volume= 4.692 af Outflow = 2.83 cfs @ 14.96 hrs, Volume= 4.094 af, Atten= 83%, Lag= 169.7 min Primary = 2.83 cfs @ 14.96 hrs, Volume= 4.094 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 896.27' @ 14.96 hrs Surf.Area= 24,792 sf Storage= 30,538 cf Plug-Flow detention time= 756.5 min calculated for 4.094 af (87% of inflow) Center-of-Mass det. time= 212.5 min ( 2,103.6 - 1,891.0 ) MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 23HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Volume Invert Avail.Storage Storage Description #1 895.00' 73,404 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 895.00 23,009 0 0 896.09 24,792 26,052 26,052 897.00 24,792 22,561 48,612 898.00 24,792 24,792 73,404 Device Routing Invert Outlet Devices #1 Primary 896.09'13.7' long x 22.6' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=2.83 cfs @ 14.96 hrs HW=896.27' TW=894.17' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 2.83 cfs @ 1.14 fps) Summary for Pond 17P: POND1 Inflow Area = 8.464 ac, 55.97% Impervious, Inflow Depth = 1.56" for 2-Year event Inflow = 12.36 cfs @ 12.29 hrs, Volume= 1.100 af Outflow = 5.57 cfs @ 12.59 hrs, Volume= 1.099 af, Atten= 55%, Lag= 17.8 min Primary = 5.57 cfs @ 12.59 hrs, Volume= 1.099 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 14,344 sf Storage= 57,207 cf Peak Elev= 877.19' @ 12.59 hrs Surf.Area= 16,503 sf Storage= 75,539 cf (18,332 cf above start) Plug-Flow detention time= (not calculated: initial storage exceeds outflow) Center-of-Mass det. time= 151.5 min ( 932.5 - 781.0 ) Volume Invert Avail.Storage Storage Description #1 866.00' 151,629 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 866.00 991 0 0 875.00 9,115 45,477 45,477 876.00 14,344 11,730 57,207 881.00 23,425 94,423 151,629 Device Routing Invert Outlet Devices #1 Primary 876.00'18.0" Round Culvert L= 48.0' Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0833 '/' Cc= 0.900 n= 0.013, Flow Area= 1.77 sf #2 Primary 879.50'10.0' long x 4.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.38 2.54 2.69 2.68 2.67 2.67 2.65 2.66 2.66 MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 24HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC 2.68 2.72 2.73 2.76 2.79 2.88 3.07 3.32 Primary OutFlow Max=5.57 cfs @ 12.59 hrs HW=877.19' TW=874.99' (Dynamic Tailwater) 1=Culvert (Inlet Controls 5.57 cfs @ 3.71 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 25P: POND2 Inflow Area = 24.163 ac, 26.13% Impervious, Inflow Depth = 0.81" for 2-Year event Inflow = 16.50 cfs @ 12.32 hrs, Volume= 1.625 af Outflow = 4.92 cfs @ 12.82 hrs, Volume= 1.624 af, Atten= 70%, Lag= 30.1 min Primary = 4.92 cfs @ 12.82 hrs, Volume= 1.624 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 0.678 ac Storage= 2.491 af Peak Elev= 877.01' @ 12.82 hrs Surf.Area= 0.719 ac Storage= 3.196 af (0.706 af above start) Plug-Flow detention time= (not calculated: initial storage exceeds outflow) Center-of-Mass det. time= 284.0 min ( 1,099.8 - 815.8 ) Volume Invert Avail.Storage Storage Description #1 869.00' 5.535 af Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (acres) (acre-feet) (acre-feet) 869.00 0.163 0.000 0.000 870.00 0.213 0.188 0.188 871.00 0.264 0.239 0.427 872.00 0.317 0.290 0.717 873.00 0.370 0.343 1.061 874.00 0.425 0.397 1.458 875.00 0.481 0.453 1.911 876.00 0.678 0.579 2.491 877.00 0.719 0.698 3.189 878.00 0.761 0.740 3.929 879.00 0.803 0.782 4.711 880.00 0.846 0.824 5.535 Device Routing Invert Outlet Devices #1 Primary 876.00'21.0" Round Culvert L= 50.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0800 '/' Cc= 0.900 n= 0.013, Flow Area= 2.41 sf #2 Primary 879.00'10.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 25HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Primary OutFlow Max=4.92 cfs @ 12.82 hrs HW=877.01' TW=875.04' (Dynamic Tailwater) 1=Culvert (Inlet Controls 4.92 cfs @ 3.42 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond IB-2: IB-2 Inflow Area = 6.318 ac, 25.47% Impervious, Inflow Depth = 1.07" for 2-Year event Inflow = 9.45 cfs @ 12.15 hrs, Volume= 0.562 af Outflow = 0.55 cfs @ 13.58 hrs, Volume= 0.562 af, Atten= 94%, Lag= 85.6 min Discarded = 0.02 cfs @ 13.58 hrs, Volume= 0.092 af Primary = 0.53 cfs @ 13.58 hrs, Volume= 0.470 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 893.00' @ 13.58 hrs Surf.Area= 15,903 sf Storage= 15,293 cf Plug-Flow detention time= 662.0 min calculated for 0.562 af (100% of inflow) Center-of-Mass det. time= 662.0 min ( 1,452.9 - 790.9 ) Volume Invert Avail.Storage Storage Description #1 891.00' 1,453 cf Infiltration Volume (D soils) (Prismatic) Listed below (Recalc) #2 891.24' 44,087 cf Live Storage (Prismatic) Listed below (Recalc) #3 890.00' 277 cf Forebay 1 (Prismatic) Listed below (Recalc) #4 890.00' 250 cf Forebay 2 (Prismatic) Listed below (Recalc) 46,066 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.00 5,475 0 0 891.24 6,632 1,453 1,453 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.24 6,632 0 0 892.00 7,418 5,339 5,339 894.00 9,630 17,048 22,387 896.00 12,070 21,700 44,087 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 160 0 0 891.00 393 277 277 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 146 0 0 891.00 354 250 250 MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 26HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 886.70'12.0" Round 12" Outlet Pipe L= 87.4' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 886.70' / 886.00' S= 0.0080 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 0.79 sf #2 Discarded 890.00'0.060 in/hr Infiltration (D Soils) over Surface area Phase-In= 0.01' #3 Device 1 891.24'4.0" Vert. 4" Orifice C= 0.600 Limited to weir flow at low heads #4 Device 1 893.80'4.0' long x 0.5' breadth Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.02 cfs @ 13.58 hrs HW=893.00' (Free Discharge) 2=Infiltration (D Soils) (Exfiltration Controls 0.02 cfs) Primary OutFlow Max=0.53 cfs @ 13.58 hrs HW=893.00' TW=879.09' (Dynamic Tailwater) 1=12" Outlet Pipe (Passes 0.53 cfs of 7.77 cfs potential flow) 3=4" Orifice (Orifice Controls 0.53 cfs @ 6.08 fps) 4=Weir ( Controls 0.00 cfs) Summary for Pond W-2: Wetland 2 Erhart Farm Inflow Area = 83.145 ac, 18.63% Impervious, Inflow Depth = 1.21" for 2-Year event Inflow = 23.26 cfs @ 12.26 hrs, Volume= 8.376 af Outflow = 16.92 cfs @ 12.48 hrs, Volume= 8.375 af, Atten= 27%, Lag= 13.5 min Primary = 16.92 cfs @ 12.48 hrs, Volume= 8.375 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 879.13' @ 12.48 hrs Surf.Area= 144,042 sf Storage= 17,639 cf Plug-Flow detention time= 37.0 min calculated for 8.375 af (100% of inflow) Center-of-Mass det. time= 36.2 min ( 1,645.0 - 1,608.8 ) Volume Invert Avail.Storage Storage Description #1 879.00' 180,180 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.00 131,609 0 0 880.00 228,751 180,180 180,180 Device Routing Invert Outlet Devices #1 Primary 879.00'148.4' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=16.92 cfs @ 12.48 hrs HW=879.13' TW=874.96' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 16.92 cfs @ 0.89 fps) MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 27HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Area = 172.739 ac, 19.26% Impervious, Inflow Depth = 1.15" for 2-Year event Inflow = 80.71 cfs @ 12.16 hrs, Volume= 16.620 af Outflow = 3.75 cfs @ 23.03 hrs, Volume= 16.516 af, Atten= 95%, Lag= 652.2 min Primary = 3.75 cfs @ 23.03 hrs, Volume= 16.516 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 875.34' @ 23.03 hrs Surf.Area= 832,292 sf Storage= 461,822 cf Plug-Flow detention time= 2,585.3 min calculated for 16.516 af (99% of inflow) Center-of-Mass det. time= 2,506.3 min ( 3,767.7 - 1,261.3 ) Volume Invert Avail.Storage Storage Description #1 874.63' 5,386,618 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 874.63 225,955 0 0 875.00 791,747 188,275 188,275 876.00 912,103 851,925 1,040,200 880.00 1,261,106 4,346,418 5,386,618 Device Routing Invert Outlet Devices #1 Primary 874.63'28.5" W x 18.0" H, R=14.8"/40.7" Pipe Arch RCP_Arch 29x18 L= 187.0' Ke= 0.500 Inlet / Outlet Invert= 874.63' / 872.83' S= 0.0096 '/' Cc= 0.900 n= 0.013, Flow Area= 2.79 sf Primary OutFlow Max=3.75 cfs @ 23.03 hrs HW=875.34' (Free Discharge) 1=RCP_Arch 29x18 (Inlet Controls 3.75 cfs @ 2.56 fps) Summary for Pond W-3A: Wetland 3A Inflow Area = 64.146 ac, 16.52% Impervious, Inflow Depth = 1.23" for 2-Year event Inflow = 8.76 cfs @ 12.56 hrs, Volume= 6.569 af Outflow = 8.72 cfs @ 12.61 hrs, Volume= 6.569 af, Atten= 0%, Lag= 3.2 min Primary = 8.72 cfs @ 12.61 hrs, Volume= 6.569 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 892.95' @ 12.61 hrs Surf.Area= 2,988 sf Storage= 2,161 cf Plug-Flow detention time= 10.6 min calculated for 6.569 af (100% of inflow) Center-of-Mass det. time= 9.8 min ( 1,809.6 - 1,799.8 ) Volume Invert Avail.Storage Storage Description #1 892.00' 35,594 cf Wetland 3A (Prismatic) Listed below (Recalc) MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 28HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 892.00 1,570 0 0 894.00 4,562 6,132 6,132 896.00 7,450 12,012 18,144 898.00 10,000 17,450 35,594 Device Routing Invert Outlet Devices #1 Device 2 892.00'42.0" Round 42" Culvert L= 40.9' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 892.00' / 889.00' S= 0.0733 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf #2 Primary 885.50'42.0" Round 42" Culvert L= 70.5' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 885.50' / 885.20' S= 0.0043 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf Primary OutFlow Max=8.72 cfs @ 12.61 hrs HW=892.95' TW=879.12' (Dynamic Tailwater) 2=42" Culvert (Passes 8.72 cfs of 125.15 cfs potential flow) 1=42" Culvert (Inlet Controls 8.72 cfs @ 4.14 fps) Summary for Pond W-4: Wetland 4 Inflow Area = 64.146 ac, 16.52% Impervious, Inflow Depth = 1.23" for 2-Year event Inflow = 44.03 cfs @ 12.18 hrs, Volume= 6.570 af Outflow = 8.76 cfs @ 12.56 hrs, Volume= 6.569 af, Atten= 80%, Lag= 23.2 min Primary = 8.76 cfs @ 12.56 hrs, Volume= 6.569 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 894.25' @ 12.56 hrs Surf.Area= 207,628 sf Storage= 50,773 cf Plug-Flow detention time= 193.7 min calculated for 6.569 af (100% of inflow) Center-of-Mass det. time= 189.1 min ( 1,799.8 - 1,610.7 ) Volume Invert Avail.Storage Storage Description #1 894.00' 441,167 cf Wetland 4 (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 894.00 203,377 0 0 896.00 237,790 441,167 441,167 Device Routing Invert Outlet Devices #1 Primary 894.00'30.0' long x 5.0' breadth Natural Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=8.76 cfs @ 12.56 hrs HW=894.25' TW=892.95' (Dynamic Tailwater) 1=Natural Weir (Weir Controls 8.76 cfs @ 1.18 fps) MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 29HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-600.00 hrs, dt=0.01 hrs, 60001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=21.165 ac 22.62% Impervious Runoff Depth=2.81"Subcatchment 1S: 1S Flow Length=160' Slope=0.0200 '/' Tc=11.8 min CN=WQ Runoff=81.90 cfs 4.951 af Runoff Area=0.748 ac 0.00% Impervious Runoff Depth=2.12"Subcatchment 2S: 2S Flow Length=194' Tc=3.9 min CN=WQ Runoff=3.23 cfs 0.132 af Runoff Area=4.232 ac 10.66% Impervious Runoff Depth=2.47"Subcatchment 3S: 3S Flow Length=165' Slope=0.0634 '/' Tc=2.8 min UI Adjusted CN=WQ Runoff=21.25 cfs 0.869 af Runoff Area=0.547 ac 0.00% Impervious Runoff Depth=2.60"Subcatchment 4S: Disturbed Area for Haul Flow Length=266' Tc=10.2 min CN=84 Runoff=2.18 cfs 0.119 af Runoff Area=0.497 ac 0.00% Impervious Runoff Depth=2.60"Subcatchment 5S: 5S Flow Length=194' Tc=3.9 min CN=84 Runoff=2.58 cfs 0.108 af Runoff Area=7.704 ac 0.00% Impervious Runoff Depth=2.23"Subcatchment 8S: Wetland Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ Runoff=31.91 cfs 1.430 af Runoff Area=3.710 ac 12.00% Impervious Runoff Depth=1.18"Subcatchment 18S: Area - B3 (PERV) Tc=20.0 min CN=65 Runoff=4.54 cfs 0.366 af Runoff Area=19.593 ac 12.00% Impervious Runoff Depth=1.18"Subcatchment 19S: Area - C2 (PERV) Tc=20.0 min CN=65 Runoff=23.98 cfs 1.931 af Runoff Area=3.285 ac 100.00% Impervious Runoff Depth=4.02"Subcatchment 20S: Area - C2 (IMP) Tc=20.0 min CN=98 Runoff=13.16 cfs 1.102 af Runoff Area=1.285 ac 52.76% Impervious Runoff Depth=2.68"Subcatchment 27S: Area - C3 Tc=5.0 min CN=WQ Runoff=5.82 cfs 0.287 af Runoff Area=3.962 ac 100.00% Impervious Runoff Depth=4.02"Subcatchment 47S: Area - B3 (IMP) Tc=20.0 min CN=WQ Runoff=15.87 cfs 1.329 af Runoff Area=0.792 ac 41.67% Impervious Runoff Depth=2.37"Subcatchment 48S: Area - B4 Tc=5.0 min CN=WQ Runoff=3.21 cfs 0.156 af Runoff Area=1.176 ac 7.31% Impervious Runoff Depth=1.92"Subcatchment D-3A: Direct Runoff to IB2 Tc=5.0 min CN=WQ Runoff=4.33 cfs 0.188 af Runoff Area=1.414 ac 43.35% Impervious Runoff Depth=2.67"Subcatchment D-3B: Runoff to IB2 Tc=9.5 min CN=WQ Runoff=5.44 cfs 0.315 af Runoff Area=1.658 ac 54.89% Impervious Runoff Depth=3.02"Subcatchment D-3C: Runoff to IB2 Tc=8.2 min CN=WQ Runoff=7.56 cfs 0.417 af Runoff Area=11.436 ac 28.69% Impervious Runoff Depth=2.32"Subcatchment D-W2: Runoff to W2 Flow Length=590' Tc=14.9 min CN=WQ Runoff=31.83 cfs 2.215 af MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 30HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Runoff Area=19.612 ac 0.00% Impervious Runoff Depth=2.68"Subcatchment DW-3: Wetland 3 Tc=8.0 min CN=WQ Runoff=83.46 cfs 4.376 af Runoff Area=0.302 ac 0.00% Impervious Runoff Depth=2.02"Subcatchment E-1: Wetland 1 Tributary Area Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 Runoff=1.21 cfs 0.051 af Runoff Area=1.032 ac 12.02% Impervious Runoff Depth=2.47"Subcatchment OFF-1: SOUTH OFFSITE Flow Length=433' Slope=0.0276 '/' Tc=9.2 min CN=WQ Runoff=4.01 cfs 0.212 af Runoff Area=462,782 sf 12.92% Impervious Runoff Depth=2.49"Subcatchment OFF-2: OFF-2 Flow Length=647' Slope=0.0340 '/' Tc=11.4 min CN=WQ Runoff=37.74 cfs 2.202 af Runoff Area=2.070 ac 0.00% Impervious Runoff Depth=0.71"Subcatchment OFF-IB2: Offiste Runoff to IB2 Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ Runoff=1.21 cfs 0.123 af Runoff Area=35.775 ac 16.69% Impervious Runoff Depth=2.69"Subcatchment SW: SW Waterbody Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ Runoff=151.66 cfs 8.030 af Runoff Area=20.120 ac 23.00% Impervious Runoff Depth=2.64"Subcatchment W4: Wetland 4 Runoff Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ Runoff=79.17 cfs 4.420 af Peak Elev=884.00' Storage=104,165 cf Inflow=85.69 cfs 5.164 afPond 1P: Pond Primary=51.02 cfs 5.164 af Secondary=0.00 cfs 0.000 af Outflow=51.02 cfs 5.164 af Peak Elev=882.01' Storage=1,043 cf Inflow=2.58 cfs 0.108 afPond 2P: Filtration adjacent to Wetland 2 Discarded=0.00 cfs 0.013 af Primary=0.03 cfs 0.031 af Secondary=2.55 cfs 0.061 af Outflow=2.58 cfs 0.105 af Peak Elev=905.13' Storage=1,968 cf Inflow=1.21 cfs 0.051 afPond 3P: Wetland 1 Discarded=0.01 cfs 0.051 af Primary=0.00 cfs 0.000 af Outflow=0.01 cfs 0.051 af Peak Elev=883.21' Storage=53,610 cf Inflow=51.02 cfs 5.164 afPond 4P: Infiltration Basin Discarded=1.19 cfs 1.817 af Primary=33.41 cfs 3.347 af Secondary=0.00 cfs 0.000 af Outflow=34.60 cfs 5.164 af Peak Elev=905.52' Storage=2,962 cf Inflow=2.18 cfs 0.119 afPond 5P: Disturbed Treatment Area Discarded=0.03 cfs 0.078 af Primary=0.19 cfs 0.041 af Secondary=0.00 cfs 0.000 af Outflow=0.22 cfs 0.119 af Peak Elev=900.98' Storage=246,761 cf Inflow=151.66 cfs 8.030 afPond 6P: SW Waterbody (undelineated Outflow=5.72 cfs 7.500 af Peak Elev=896.48' Storage=35,694 cf Inflow=33.40 cfs 8.930 afPond 7P: Undelineated Wetland Outflow=8.97 cfs 8.332 af Peak Elev=877.83' Storage=86,544 cf Inflow=21.22 cfs 1.851 afPond 17P: POND1 Outflow=8.85 cfs 1.850 af Peak Elev=877.92' Storage=3.865 af Inflow=38.34 cfs 3.320 afPond 25P: POND2 Outflow=11.81 cfs 3.318 af Peak Elev=894.09' Storage=25,256 cf Inflow=17.03 cfs 1.043 afPond IB-2: IB-2 Discarded=0.02 cfs 0.103 af Primary=2.49 cfs 0.940 af Outflow=2.51 cfs 1.043 af MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 31HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Peak Elev=879.22' Storage=31,258 cf Inflow=47.36 cfs 16.170 afPond W-2: Wetland 2 Erhart Farm Outflow=38.16 cfs 16.170 af Peak Elev=875.83' Storage=888,058 cf Inflow=169.20 cfs 32.132 afPond W-3: Wetland 3 (Wetland C from 28.5" x 18.0", R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' Outflow=8.66 cfs 32.025 af Peak Elev=893.59' Storage=4,387 cf Inflow=22.88 cfs 12.792 afPond W-3A: Wetland 3A Outflow=22.81 cfs 12.792 af Peak Elev=894.45' Storage=92,736 cf Inflow=79.45 cfs 12.793 afPond W-4: Wetland 4 Outflow=22.88 cfs 12.792 af Total Runoff Area = 172.739 ac Runoff Volume = 35.328 af Average Runoff Depth = 2.45" 80.74% Pervious = 139.464 ac 19.26% Impervious = 33.275 ac MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 32HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 1S: 1S Runoff = 81.90 cfs @ 12.19 hrs, Volume= 4.951 af, Depth= 2.81" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description * 12.169 84 >75% Grass cover, Good, HSG D * 4.144 98 Proposed Impervious, HSG D * 0.643 98 Existing Impervious, HSG D 4.209 77 Woods, Good, HSG D 21.165 Weighted Average 16.378 77.38% Pervious Area 4.787 22.62% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.3 100 0.0200 0.16 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.5 60 0.0200 2.12 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 1.0 Direct Entry, Pipe Flow 11.8 160 Total Summary for Subcatchment 2S: 2S Runoff = 3.23 cfs @ 12.12 hrs, Volume= 0.132 af, Depth= 2.12" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description * 0.126 84 >75% Grass cover, Good, HSG D 0.622 77 Woods, Good, HSG D 0.748 Weighted Average 0.748 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.5 65 0.1231 0.31 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.4 129 0.1130 5.04 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 3.9 194 Total MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 33HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 3S: 3S Runoff = 21.25 cfs @ 12.11 hrs, Volume= 0.869 af, Depth= 2.47" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Adj Description * 1.695 84 84 >75% Grass cover, Good, HSG D 0.451 98 98 Unconnected roofs, HSG D 2.086 77 77 Woods, Good, HSG D 4.232 Weighted Average 3.781 89.34% Pervious Area 0.451 10.66% Impervious Area 0.451 100.00% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.8 165 0.0634 0.98 Lag/CN Method, Summary for Subcatchment 4S: Disturbed Area for Haul Road Runoff = 2.18 cfs @ 12.18 hrs, Volume= 0.119 af, Depth= 2.60" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description * 0.547 84 Disturbed ground 0.547 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 56 0.0200 0.10 Sheet Flow, Grass: Dense n= 0.240 P2= 2.87" 0.7 210 0.1000 4.74 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 10.2 266 Total Summary for Subcatchment 5S: 5S Runoff = 2.58 cfs @ 12.11 hrs, Volume= 0.108 af, Depth= 2.60" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 34HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description * 0.497 84 >75% Grass cover, Good, HSG D 0.497 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.5 65 0.1231 0.31 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.4 129 0.1130 5.04 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 3.9 194 Total Summary for Subcatchment 8S: Wetland Runoff = 31.91 cfs @ 12.13 hrs, Volume= 1.430 af, Depth= 2.23" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 3.495 79 Woods/grass comb., Good, HSG D 0.528 98 Water Surface, 0% imp, HSG D 3.681 77 Woods, Good, HSG D 7.704 Weighted Average 7.704 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.6 335 0.0596 1.00 Lag/CN Method, Summary for Subcatchment 18S: Area - B3 (PERV) Runoff = 4.54 cfs @ 12.33 hrs, Volume= 0.366 af, Depth= 1.18" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 3.710 65 2 acre lots, 12% imp, HSG B 3.265 88.00% Pervious Area 0.445 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 35HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 19S: Area - C2 (PERV) Runoff = 23.98 cfs @ 12.33 hrs, Volume= 1.931 af, Depth= 1.18" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 19.593 65 2 acre lots, 12% imp, HSG B 17.242 88.00% Pervious Area 2.351 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 20S: Area - C2 (IMP) Runoff = 13.16 cfs @ 12.29 hrs, Volume= 1.102 af, Depth= 4.02" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description * 3.285 98 Imp - Pro roadway 3.285 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 27S: Area - C3 Runoff = 5.82 cfs @ 12.12 hrs, Volume= 0.287 af, Depth= 2.68" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description * 0.607 65 Upland * 0.678 98 Pond NWL 1.285 Weighted Average 0.607 47.24% Pervious Area 0.678 52.76% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 36HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 47S: Area - B3 (IMP) Runoff = 15.87 cfs @ 12.29 hrs, Volume= 1.329 af, Depth= 4.02" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description * 1.922 98 Imp - ex parking lot * 2.040 98 Imp - Pro Roadway 3.962 Weighted Average 3.962 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 48S: Area - B4 Runoff = 3.21 cfs @ 12.12 hrs, Volume= 0.156 af, Depth= 2.37" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description * 0.330 98 Pond NWL * 0.462 65 Upland 0.792 Weighted Average 0.462 58.33% Pervious Area 0.330 41.67% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3A: Direct Runoff to IB2 Runoff = 4.33 cfs @ 12.13 hrs, Volume= 0.188 af, Depth= 1.92" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.086 98 Roofs, HSG C 1.051 74 >75% Grass cover, Good, HSG C 0.039 60 Woods, Fair, HSG B 1.176 Weighted Average 1.090 92.69% Pervious Area 0.086 7.31% Impervious Area MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 37HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3B: Runoff to IB2 Runoff = 5.44 cfs @ 12.17 hrs, Volume= 0.315 af, Depth= 2.67" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.613 98 Roofs, HSG C 0.135 60 Woods, Fair, HSG B 0.666 74 >75% Grass cover, Good, HSG C 1.414 Weighted Average 0.801 56.65% Pervious Area 0.613 43.35% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 Direct Entry, Summary for Subcatchment D-3C: Runoff to IB2 Runoff = 7.56 cfs @ 12.15 hrs, Volume= 0.417 af, Depth= 3.02" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.910 98 Roofs, HSG C 0.748 74 >75% Grass cover, Good, HSG C 1.658 Weighted Average 0.748 45.11% Pervious Area 0.910 54.89% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.2 Direct Entry, Summary for Subcatchment D-W2: Runoff to W2 Runoff = 31.83 cfs @ 12.23 hrs, Volume= 2.215 af, Depth= 2.32" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 38HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description 0.268 98 Roofs, HSG C 2.316 60 Woods, Fair, HSG B * 3.013 98 Wetland 2.084 74 >75% Grass cover, Good, HSG C 3.755 77 Woods, Good, HSG D 11.436 Weighted Average 8.155 71.31% Pervious Area 3.281 28.69% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.4 400 0.1300 1.53 Lag/CN Method, 10.5 190 0.0700 0.30 Sheet Flow, backyard swale Grass: Short n= 0.150 P2= 2.87" 14.9 590 Total Summary for Subcatchment DW-3: Wetland 3 Runoff = 83.46 cfs @ 12.15 hrs, Volume= 4.376 af, Depth= 2.68" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 5.913 98 Water Surface, 0% imp, HSG D 13.699 78 Meadow, non-grazed, HSG D 19.612 Weighted Average 19.612 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Summary for Subcatchment E-1: Wetland 1 Tributary Area Runoff = 1.21 cfs @ 12.12 hrs, Volume= 0.051 af, Depth= 2.02" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.302 77 Woods, Good, HSG D 0.302 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.6 101 0.0146 0.37 Lag/CN Method, MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 39HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-1: SOUTH OFFSITE Runoff = 4.01 cfs @ 12.17 hrs, Volume= 0.212 af, Depth= 2.47" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.908 80 >75% Grass cover, Good, HSG D 0.124 98 Paved roads w/curbs & sewers, HSG D 1.032 Weighted Average 0.908 87.98% Pervious Area 0.124 12.02% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.2 433 0.0276 0.79 Lag/CN Method, Summary for Subcatchment OFF-2: OFF-2 Runoff = 37.74 cfs @ 12.19 hrs, Volume= 2.202 af, Depth= 2.49" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (sf) CN Description 59,808 98 Roofs, HSG D 402,974 80 >75% Grass cover, Good, HSG D 462,782 Weighted Average 402,974 87.08% Pervious Area 59,808 12.92% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 11.4 647 0.0340 0.94 Lag/CN Method, Summary for Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff = 1.21 cfs @ 12.39 hrs, Volume= 0.123 af, Depth= 0.71" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.596 60 Woods, Fair, HSG B 1.474 55 Woods, Good, HSG B 2.070 Weighted Average 2.070 100.00% Pervious Area MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 40HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 21.9 430 0.0200 0.33 Lag/CN Method, Summary for Subcatchment SW: SW Waterbody (undelineated water body) Runoff = 151.66 cfs @ 12.16 hrs, Volume= 8.030 af, Depth= 2.69" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.240 98 Unconnected roofs, HSG D 5.731 98 Water Surface, HSG D 29.804 82 Woods/grass comb., Fair, HSG D 35.775 Weighted Average 29.804 83.31% Pervious Area 5.971 16.69% Impervious Area 0.240 4.02% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.0 678 0.0479 1.25 Lag/CN Method, Summary for Subcatchment W4: Wetland 4 Runoff Runoff = 79.17 cfs @ 12.17 hrs, Volume= 4.420 af, Depth= 2.64" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description * 4.511 98 Wetland 7.763 77 Woods, Good, HSG D 7.729 82 Woods/grass comb., Fair, HSG D 0.117 98 Unconnected roofs, HSG D 20.120 Weighted Average 15.492 77.00% Pervious Area 4.628 23.00% Impervious Area 0.117 2.53% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.8 640 0.0400 1.09 Lag/CN Method, MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 41HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 1P: Pond Inflow Area = 22.499 ac, 21.83% Impervious, Inflow Depth = 2.75" for 10-Year event Inflow = 85.69 cfs @ 12.19 hrs, Volume= 5.164 af Outflow = 51.02 cfs @ 12.26 hrs, Volume= 5.164 af, Atten= 40%, Lag= 4.3 min Primary = 51.02 cfs @ 12.26 hrs, Volume= 5.164 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 882.00' Surf.Area= 35,975 sf Storage= 63,977 cf Peak Elev= 884.00' @ 12.33 hrs Surf.Area= 40,247 sf Storage= 104,165 cf (40,188 cf above start) Plug-Flow detention time= 137.7 min calculated for 3.695 af (72% of inflow) Center-of-Mass det. time= 20.0 min ( 808.1 - 788.1 ) Volume Invert Avail.Storage Storage Description #1 872.00' 63,977 cf Dead Storage (Prismatic) Listed below (Recalc) #2 882.00' 89,285 cf Live Storage (Prismatic) Listed below (Recalc) 153,262 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 872.00 1,179 0 0 874.00 2,589 3,768 3,768 876.00 4,525 7,114 10,882 878.00 6,736 11,261 22,143 880.00 9,721 16,457 38,600 881.00 11,522 10,622 49,222 882.00 17,988 14,755 63,977 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 882.00 17,987 0 0 884.00 22,265 40,252 40,252 886.00 26,768 49,033 89,285 Device Routing Invert Outlet Devices #1 Primary 880.68'27.0" Round Culvert L= 55.2' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 880.68' / 880.50' S= 0.0033 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #2 Primary 880.57'27.0" Round Culvert L= 23.8' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 880.57' / 880.50' S= 0.0029 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #3 Device 1 882.00'5.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 #4 Device 2 882.00'5.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 42HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC #5 Secondary 884.00'193.1' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=50.30 cfs @ 12.26 hrs HW=883.91' TW=882.80' (Dynamic Tailwater) 1=Culvert (Outlet Controls 25.11 cfs @ 6.32 fps) 3=Broad-Crested Rectangular Weir (Passes 25.11 cfs of 38.74 cfs potential flow) 2=Culvert (Inlet Controls 25.19 cfs @ 6.33 fps) 4=Broad-Crested Rectangular Weir (Passes 25.19 cfs of 38.74 cfs potential flow) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=882.00' TW=880.50' (Dynamic Tailwater) 5=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 2P: Filtration adjacent to Wetland 2 Inflow Area = 0.497 ac, 0.00% Impervious, Inflow Depth = 2.60" for 10-Year event Inflow = 2.58 cfs @ 12.11 hrs, Volume= 0.108 af Outflow = 2.58 cfs @ 12.12 hrs, Volume= 0.105 af, Atten= 0%, Lag= 0.1 min Discarded = 0.00 cfs @ 10.83 hrs, Volume= 0.013 af Primary = 0.03 cfs @ 12.01 hrs, Volume= 0.031 af Secondary = 2.55 cfs @ 12.12 hrs, Volume= 0.061 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 882.01' @ 12.12 hrs Surf.Area= 3,743 sf Storage= 1,043 cf Plug-Flow detention time= 377.3 min calculated for 0.105 af (98% of inflow) Center-of-Mass det. time= 365.0 min ( 1,159.2 - 794.2 ) Volume Invert Avail.Storage Storage Description #1 879.85' 103 cf Infiltration Volume (Prismatic) Listed below (Recalc) 342 cf Overall x 30.0% Voids #2 880.17' 479 cf Filtration Volume (Prismatic) Listed below (Recalc) 1,596 cf Overall x 30.0% Voids #3 881.67' 1,246 cf Live Storage (Prismatic) Listed below (Recalc) 1,827 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.85 1,070 0 0 880.17 1,070 342 342 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 880.17 1,064 0 0 881.67 1,064 1,596 1,596 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 881.67 1,064 0 0 882.00 1,609 441 441 882.50 1,609 805 1,246 MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 43HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Discarded 879.85'0.080 in/hr Exfiltration over Surface area from 879.85' - 880.17' Excluded Surface area = 1,070 sf Phase-In= 0.01' #2 Primary 880.17'0.800 in/hr Exfiltration over Surface area above 880.17' Excluded Surface area = 2,134 sf Phase-In= 0.01' #3 Secondary 881.99'275.3' long x 1.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 Coef. (English) 2.69 2.72 2.75 2.85 2.98 3.08 3.20 3.28 3.31 3.30 3.31 3.32 Discarded OutFlow Max=0.00 cfs @ 10.83 hrs HW=880.17' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.00 cfs) Primary OutFlow Max=0.03 cfs @ 12.01 hrs HW=882.00' TW=879.07' (Dynamic Tailwater) 2=Exfiltration (Exfiltration Controls 0.03 cfs) Secondary OutFlow Max=2.54 cfs @ 12.12 hrs HW=882.01' TW=879.11' (Dynamic Tailwater) 3=Broad-Crested Rectangular Weir (Weir Controls 2.54 cfs @ 0.41 fps) Summary for Pond 3P: Wetland 1 Inflow Area = 0.302 ac, 0.00% Impervious, Inflow Depth = 2.02" for 10-Year event Inflow = 1.21 cfs @ 12.12 hrs, Volume= 0.051 af Outflow = 0.01 cfs @ 22.54 hrs, Volume= 0.051 af, Atten= 100%, Lag= 625.1 min Discarded = 0.01 cfs @ 22.54 hrs, Volume= 0.051 af Primary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 905.13' @ 22.54 hrs Surf.Area= 4,205 sf Storage= 1,968 cf Plug-Flow detention time= 3,484.4 min calculated for 0.051 af (100% of inflow) Center-of-Mass det. time= 3,484.5 min ( 4,293.6 - 809.1 ) Volume Invert Avail.Storage Storage Description #1 904.20' 3,679 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.20 134 0 0 904.40 408 54 54 904.60 1,089 150 204 904.80 3,690 478 682 905.00 3,969 766 1,448 905.20 4,340 831 2,279 905.40 4,834 917 3,196 905.50 4,834 483 3,679 MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 44HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 905.33'14.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) #2 Discarded 904.20'0.060 in/hr Exfiltration over Surface area Discarded OutFlow Max=0.01 cfs @ 22.54 hrs HW=905.13' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.01 cfs) Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=904.20' TW=882.00' (Dynamic Tailwater) 1=Sharp-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 4P: Infiltration Basin Inflow Area = 22.499 ac, 21.83% Impervious, Inflow Depth = 2.75" for 10-Year event Inflow = 51.02 cfs @ 12.26 hrs, Volume= 5.164 af Outflow = 34.60 cfs @ 12.52 hrs, Volume= 5.164 af, Atten= 32%, Lag= 15.2 min Discarded = 1.19 cfs @ 12.52 hrs, Volume= 1.817 af Primary = 33.41 cfs @ 12.52 hrs, Volume= 3.347 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 883.21' @ 12.52 hrs Surf.Area= 42,888 sf Storage= 53,610 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 155.0 min ( 963.2 - 808.1 ) Volume Invert Avail.Storage Storage Description #1 880.50' 27,737 cf Infiltration Volume (Prismatic) Listed below (Recalc) #2 882.00' 99,100 cf Live Storage (Prismatic) Listed below (Recalc) 126,837 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 880.50 16,945 0 0 882.00 20,038 27,737 27,737 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 882.00 20,038 0 0 884.00 24,699 44,737 44,737 886.00 29,664 54,363 99,100 Device Routing Invert Outlet Devices #1 Primary 878.17'27.0" Round Culvert L= 52.0' RCP, mitered to conform to fill, Ke= 0.700 Inlet / Outlet Invert= 878.17' / 878.00' S= 0.0033 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #2 Discarded 880.50'1.200 in/hr Exfiltration over Surface area #3 Device 1 882.00'60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Secondary 885.90'5.0' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 45HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Discarded OutFlow Max=1.19 cfs @ 12.52 hrs HW=883.21' (Free Discharge) 2=Exfiltration (Exfiltration Controls 1.19 cfs) Primary OutFlow Max=33.41 cfs @ 12.52 hrs HW=883.21' TW=875.18' (Dynamic Tailwater) 1=Culvert (Inlet Controls 33.41 cfs @ 8.40 fps) 3=Orifice/Grate (Passes 33.41 cfs of 68.07 cfs potential flow) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=880.50' TW=874.63' (Dynamic Tailwater) 4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 5P: Disturbed Treatment Area Inflow Area = 0.547 ac, 0.00% Impervious, Inflow Depth = 2.60" for 10-Year event Inflow = 2.18 cfs @ 12.18 hrs, Volume= 0.119 af Outflow = 0.22 cfs @ 12.90 hrs, Volume= 0.119 af, Atten= 90%, Lag= 43.2 min Discarded = 0.03 cfs @ 12.90 hrs, Volume= 0.078 af Primary = 0.19 cfs @ 12.90 hrs, Volume= 0.041 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 905.52' @ 12.90 hrs Surf.Area= 3,224 sf Storage= 2,962 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 603.1 min ( 1,403.1 - 800.1 ) Volume Invert Avail.Storage Storage Description #1 904.50' 6,339 cf Live Storage (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.50 2,570 0 0 906.00 3,529 4,574 4,574 906.50 3,529 1,765 6,339 Device Routing Invert Outlet Devices #1 Discarded 904.50'0.375 in/hr Exfiltration over Surface area #2 Primary 905.25'6.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 906.00'61.9' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 46HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Discarded OutFlow Max=0.03 cfs @ 12.90 hrs HW=905.52' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.03 cfs) Primary OutFlow Max=0.19 cfs @ 12.90 hrs HW=905.52' TW=894.43' (Dynamic Tailwater) 2=Orifice/Grate (Orifice Controls 0.19 cfs @ 1.78 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=904.50' TW=894.00' (Dynamic Tailwater) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 6P: SW Waterbody (undelineated water body) Inflow Area = 35.775 ac, 16.69% Impervious, Inflow Depth = 2.69" for 10-Year event Inflow = 151.66 cfs @ 12.16 hrs, Volume= 8.030 af Outflow = 5.72 cfs @ 13.68 hrs, Volume= 7.500 af, Atten= 96%, Lag= 90.7 min Primary = 5.72 cfs @ 13.68 hrs, Volume= 7.500 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 900.98' @ 13.68 hrs Surf.Area= 285,258 sf Storage= 246,761 cf Plug-Flow detention time= 1,026.1 min calculated for 7.500 af (93% of inflow) Center-of-Mass det. time= 994.5 min ( 1,784.5 - 790.0 ) Volume Invert Avail.Storage Storage Description #1 900.00' 537,615 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 900.00 90,358 0 0 900.20 256,659 34,702 34,702 901.00 285,893 217,021 251,722 902.00 285,893 285,893 537,615 Device Routing Invert Outlet Devices #1 Primary 900.15'2.3' long Sharp-Crested Vee/Trap Weir Cv= 2.62 (C= 3.28) Primary OutFlow Max=5.72 cfs @ 13.68 hrs HW=900.98' TW=896.43' (Dynamic Tailwater) 1=Sharp-Crested Vee/Trap Weir (Weir Controls 5.72 cfs @ 2.99 fps) Summary for Pond 7P: Undelineated Wetland Inflow Area = 43.479 ac, 13.73% Impervious, Inflow Depth = 2.46" for 10-Year event Inflow = 33.40 cfs @ 12.13 hrs, Volume= 8.930 af Outflow = 8.97 cfs @ 12.56 hrs, Volume= 8.332 af, Atten= 73%, Lag= 25.5 min Primary = 8.97 cfs @ 12.56 hrs, Volume= 8.332 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 896.48' @ 12.56 hrs Surf.Area= 24,792 sf Storage= 35,694 cf Plug-Flow detention time= 411.6 min calculated for 8.332 af (93% of inflow) Center-of-Mass det. time= 97.4 min ( 1,724.3 - 1,626.9 ) MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 47HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Volume Invert Avail.Storage Storage Description #1 895.00' 73,404 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 895.00 23,009 0 0 896.09 24,792 26,052 26,052 897.00 24,792 22,561 48,612 898.00 24,792 24,792 73,404 Device Routing Invert Outlet Devices #1 Primary 896.09'13.7' long x 22.6' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=8.97 cfs @ 12.56 hrs HW=896.48' TW=894.45' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 8.97 cfs @ 1.68 fps) Summary for Pond 17P: POND1 Inflow Area = 8.464 ac, 55.97% Impervious, Inflow Depth = 2.62" for 10-Year event Inflow = 21.22 cfs @ 12.29 hrs, Volume= 1.851 af Outflow = 8.85 cfs @ 12.61 hrs, Volume= 1.850 af, Atten= 58%, Lag= 19.1 min Primary = 8.85 cfs @ 12.61 hrs, Volume= 1.850 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 14,344 sf Storage= 57,207 cf Peak Elev= 877.83' @ 12.61 hrs Surf.Area= 17,672 sf Storage= 86,544 cf (29,338 cf above start) Plug-Flow detention time= 570.5 min calculated for 0.537 af (29% of inflow) Center-of-Mass det. time= 116.3 min ( 895.1 - 778.8 ) Volume Invert Avail.Storage Storage Description #1 866.00' 151,629 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 866.00 991 0 0 875.00 9,115 45,477 45,477 876.00 14,344 11,730 57,207 881.00 23,425 94,423 151,629 Device Routing Invert Outlet Devices #1 Primary 876.00'18.0" Round Culvert L= 48.0' Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0833 '/' Cc= 0.900 n= 0.013, Flow Area= 1.77 sf #2 Primary 879.50'10.0' long x 4.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.38 2.54 2.69 2.68 2.67 2.67 2.65 2.66 2.66 MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 48HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC 2.68 2.72 2.73 2.76 2.79 2.88 3.07 3.32 Primary OutFlow Max=8.85 cfs @ 12.61 hrs HW=877.83' TW=875.23' (Dynamic Tailwater) 1=Culvert (Inlet Controls 8.85 cfs @ 5.01 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 25P: POND2 Inflow Area = 24.163 ac, 26.13% Impervious, Inflow Depth = 1.65" for 10-Year event Inflow = 38.34 cfs @ 12.31 hrs, Volume= 3.320 af Outflow = 11.81 cfs @ 12.76 hrs, Volume= 3.318 af, Atten= 69%, Lag= 27.2 min Primary = 11.81 cfs @ 12.76 hrs, Volume= 3.318 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 0.678 ac Storage= 2.491 af Peak Elev= 877.92' @ 12.76 hrs Surf.Area= 0.757 ac Storage= 3.865 af (1.374 af above start) Plug-Flow detention time= 838.5 min calculated for 0.828 af (25% of inflow) Center-of-Mass det. time= 185.0 min ( 997.0 - 812.0 ) Volume Invert Avail.Storage Storage Description #1 869.00' 5.535 af Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (acres) (acre-feet) (acre-feet) 869.00 0.163 0.000 0.000 870.00 0.213 0.188 0.188 871.00 0.264 0.239 0.427 872.00 0.317 0.290 0.717 873.00 0.370 0.343 1.061 874.00 0.425 0.397 1.458 875.00 0.481 0.453 1.911 876.00 0.678 0.579 2.491 877.00 0.719 0.698 3.189 878.00 0.761 0.740 3.929 879.00 0.803 0.782 4.711 880.00 0.846 0.824 5.535 Device Routing Invert Outlet Devices #1 Primary 876.00'21.0" Round Culvert L= 50.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0800 '/' Cc= 0.900 n= 0.013, Flow Area= 2.41 sf #2 Primary 879.00'10.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 49HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Primary OutFlow Max=11.81 cfs @ 12.76 hrs HW=877.92' TW=875.30' (Dynamic Tailwater) 1=Culvert (Inlet Controls 11.81 cfs @ 4.91 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond IB-2: IB-2 Inflow Area = 6.318 ac, 25.47% Impervious, Inflow Depth = 1.98" for 10-Year event Inflow = 17.03 cfs @ 12.15 hrs, Volume= 1.043 af Outflow = 2.51 cfs @ 12.70 hrs, Volume= 1.043 af, Atten= 85%, Lag= 33.4 min Discarded = 0.02 cfs @ 12.70 hrs, Volume= 0.103 af Primary = 2.49 cfs @ 12.70 hrs, Volume= 0.940 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 894.09' @ 12.70 hrs Surf.Area= 17,121 sf Storage= 25,256 cf Plug-Flow detention time= 536.8 min calculated for 1.043 af (100% of inflow) Center-of-Mass det. time= 537.0 min ( 1,326.5 - 789.4 ) Volume Invert Avail.Storage Storage Description #1 891.00' 1,453 cf Infiltration Volume (D soils) (Prismatic) Listed below (Recalc) #2 891.24' 44,087 cf Live Storage (Prismatic) Listed below (Recalc) #3 890.00' 277 cf Forebay 1 (Prismatic) Listed below (Recalc) #4 890.00' 250 cf Forebay 2 (Prismatic) Listed below (Recalc) 46,066 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.00 5,475 0 0 891.24 6,632 1,453 1,453 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.24 6,632 0 0 892.00 7,418 5,339 5,339 894.00 9,630 17,048 22,387 896.00 12,070 21,700 44,087 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 160 0 0 891.00 393 277 277 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 146 0 0 891.00 354 250 250 MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 50HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 886.70'12.0" Round 12" Outlet Pipe L= 87.4' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 886.70' / 886.00' S= 0.0080 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 0.79 sf #2 Discarded 890.00'0.060 in/hr Infiltration (D Soils) over Surface area Phase-In= 0.01' #3 Device 1 891.24'4.0" Vert. 4" Orifice C= 0.600 Limited to weir flow at low heads #4 Device 1 893.80'4.0' long x 0.5' breadth Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.02 cfs @ 12.70 hrs HW=894.09' (Free Discharge) 2=Infiltration (D Soils) (Exfiltration Controls 0.02 cfs) Primary OutFlow Max=2.49 cfs @ 12.70 hrs HW=894.09' TW=879.21' (Dynamic Tailwater) 1=12" Outlet Pipe (Passes 2.49 cfs of 8.45 cfs potential flow) 3=4" Orifice (Orifice Controls 0.69 cfs @ 7.89 fps) 4=Weir (Weir Controls 1.80 cfs @ 1.54 fps) Summary for Pond W-2: Wetland 2 Erhart Farm Inflow Area = 83.145 ac, 18.63% Impervious, Inflow Depth = 2.33" for 10-Year event Inflow = 47.36 cfs @ 12.27 hrs, Volume= 16.170 af Outflow = 38.16 cfs @ 12.48 hrs, Volume= 16.170 af, Atten= 19%, Lag= 12.7 min Primary = 38.16 cfs @ 12.48 hrs, Volume= 16.170 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 879.22' @ 12.48 hrs Surf.Area= 152,950 sf Storage= 31,258 cf Plug-Flow detention time= 27.8 min calculated for 16.170 af (100% of inflow) Center-of-Mass det. time= 27.3 min ( 1,434.0 - 1,406.6 ) Volume Invert Avail.Storage Storage Description #1 879.00' 180,180 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.00 131,609 0 0 880.00 228,751 180,180 180,180 Device Routing Invert Outlet Devices #1 Primary 879.00'148.4' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=38.15 cfs @ 12.48 hrs HW=879.22' TW=875.16' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 38.15 cfs @ 1.17 fps) MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 51HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Area = 172.739 ac, 19.26% Impervious, Inflow Depth = 2.23" for 10-Year event Inflow = 169.20 cfs @ 12.18 hrs, Volume= 32.132 af Outflow = 8.66 cfs @ 21.11 hrs, Volume= 32.025 af, Atten= 95%, Lag= 535.8 min Primary = 8.66 cfs @ 21.11 hrs, Volume= 32.025 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 875.83' @ 21.11 hrs Surf.Area= 891,801 sf Storage= 888,058 cf Plug-Flow detention time= 2,147.4 min calculated for 32.025 af (100% of inflow) Center-of-Mass det. time= 2,104.8 min ( 3,245.4 - 1,140.6 ) Volume Invert Avail.Storage Storage Description #1 874.63' 5,386,618 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 874.63 225,955 0 0 875.00 791,747 188,275 188,275 876.00 912,103 851,925 1,040,200 880.00 1,261,106 4,346,418 5,386,618 Device Routing Invert Outlet Devices #1 Primary 874.63'28.5" W x 18.0" H, R=14.8"/40.7" Pipe Arch RCP_Arch 29x18 L= 187.0' Ke= 0.500 Inlet / Outlet Invert= 874.63' / 872.83' S= 0.0096 '/' Cc= 0.900 n= 0.013, Flow Area= 2.79 sf Primary OutFlow Max=8.66 cfs @ 21.11 hrs HW=875.83' (Free Discharge) 1=RCP_Arch 29x18 (Inlet Controls 8.66 cfs @ 3.51 fps) Summary for Pond W-3A: Wetland 3A Inflow Area = 64.146 ac, 16.52% Impervious, Inflow Depth = 2.39" for 10-Year event Inflow = 22.88 cfs @ 12.59 hrs, Volume= 12.792 af Outflow = 22.81 cfs @ 12.63 hrs, Volume= 12.792 af, Atten= 0%, Lag= 2.7 min Primary = 22.81 cfs @ 12.63 hrs, Volume= 12.792 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 893.59' @ 12.63 hrs Surf.Area= 3,948 sf Storage= 4,387 cf Plug-Flow detention time= 7.3 min calculated for 12.791 af (100% of inflow) Center-of-Mass det. time= 6.9 min ( 1,544.4 - 1,537.5 ) Volume Invert Avail.Storage Storage Description #1 892.00' 35,594 cf Wetland 3A (Prismatic) Listed below (Recalc) MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 52HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 892.00 1,570 0 0 894.00 4,562 6,132 6,132 896.00 7,450 12,012 18,144 898.00 10,000 17,450 35,594 Device Routing Invert Outlet Devices #1 Device 2 892.00'42.0" Round 42" Culvert L= 40.9' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 892.00' / 889.00' S= 0.0733 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf #2 Primary 885.50'42.0" Round 42" Culvert L= 70.5' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 885.50' / 885.20' S= 0.0043 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf Primary OutFlow Max=22.81 cfs @ 12.63 hrs HW=893.59' TW=879.21' (Dynamic Tailwater) 2=42" Culvert (Passes 22.81 cfs of 134.28 cfs potential flow) 1=42" Culvert (Inlet Controls 22.81 cfs @ 5.37 fps) Summary for Pond W-4: Wetland 4 Inflow Area = 64.146 ac, 16.52% Impervious, Inflow Depth = 2.39" for 10-Year event Inflow = 79.45 cfs @ 12.18 hrs, Volume= 12.793 af Outflow = 22.88 cfs @ 12.59 hrs, Volume= 12.792 af, Atten= 71%, Lag= 24.6 min Primary = 22.88 cfs @ 12.59 hrs, Volume= 12.792 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 894.45' @ 12.59 hrs Surf.Area= 211,077 sf Storage= 92,736 cf Plug-Flow detention time= 141.8 min calculated for 12.792 af (100% of inflow) Center-of-Mass det. time= 139.4 min ( 1,537.5 - 1,398.2 ) Volume Invert Avail.Storage Storage Description #1 894.00' 441,167 cf Wetland 4 (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 894.00 203,377 0 0 896.00 237,790 441,167 441,167 Device Routing Invert Outlet Devices #1 Primary 894.00'30.0' long x 5.0' breadth Natural Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=22.88 cfs @ 12.59 hrs HW=894.45' TW=893.59' (Dynamic Tailwater) 1=Natural Weir (Weir Controls 22.88 cfs @ 1.70 fps) MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 53HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-600.00 hrs, dt=0.01 hrs, 60001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=21.165 ac 22.62% Impervious Runoff Depth=5.71"Subcatchment 1S: 1S Flow Length=160' Slope=0.0200 '/' Tc=11.8 min CN=WQ Runoff=163.80 cfs 10.079 af Runoff Area=0.748 ac 0.00% Impervious Runoff Depth=4.84"Subcatchment 2S: 2S Flow Length=194' Tc=3.9 min CN=WQ Runoff=7.12 cfs 0.302 af Runoff Area=4.232 ac 10.66% Impervious Runoff Depth=5.29"Subcatchment 3S: 3S Flow Length=165' Slope=0.0634 '/' Tc=2.8 min UI Adjusted CN=WQ Runoff=43.94 cfs 1.864 af Runoff Area=0.547 ac 0.00% Impervious Runoff Depth=5.50"Subcatchment 4S: Disturbed Area for Haul Flow Length=266' Tc=10.2 min CN=84 Runoff=4.47 cfs 0.251 af Runoff Area=0.497 ac 0.00% Impervious Runoff Depth=5.50"Subcatchment 5S: 5S Flow Length=194' Tc=3.9 min CN=84 Runoff=5.21 cfs 0.228 af Runoff Area=7.704 ac 0.00% Impervious Runoff Depth=4.98"Subcatchment 8S: Wetland Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ Runoff=69.69 cfs 3.195 af Runoff Area=3.710 ac 12.00% Impervious Runoff Depth=3.40"Subcatchment 18S: Area - B3 (PERV) Tc=20.0 min CN=65 Runoff=14.04 cfs 1.051 af Runoff Area=19.593 ac 12.00% Impervious Runoff Depth=3.40"Subcatchment 19S: Area - C2 (PERV) Tc=20.0 min CN=65 Runoff=74.16 cfs 5.550 af Runoff Area=3.285 ac 100.00% Impervious Runoff Depth=7.14"Subcatchment 20S: Area - C2 (IMP) Tc=20.0 min CN=98 Runoff=22.93 cfs 1.955 af Runoff Area=1.285 ac 52.76% Impervious Runoff Depth=5.37"Subcatchment 27S: Area - C3 Tc=5.0 min CN=WQ Runoff=11.80 cfs 0.575 af Runoff Area=3.962 ac 100.00% Impervious Runoff Depth=7.14"Subcatchment 47S: Area - B3 (IMP) Tc=20.0 min CN=WQ Runoff=27.66 cfs 2.358 af Runoff Area=0.792 ac 41.67% Impervious Runoff Depth=4.96"Subcatchment 48S: Area - B4 Tc=5.0 min CN=WQ Runoff=6.85 cfs 0.327 af Runoff Area=1.176 ac 7.31% Impervious Runoff Depth=4.53"Subcatchment D-3A: Direct Runoff to IB2 Tc=5.0 min CN=WQ Runoff=10.05 cfs 0.444 af Runoff Area=1.414 ac 43.35% Impervious Runoff Depth=5.43"Subcatchment D-3B: Runoff to IB2 Tc=9.5 min CN=WQ Runoff=11.12 cfs 0.640 af Runoff Area=1.658 ac 54.89% Impervious Runoff Depth=5.89"Subcatchment D-3C: Runoff to IB2 Tc=8.2 min CN=WQ Runoff=14.71 cfs 0.814 af Runoff Area=11.436 ac 28.69% Impervious Runoff Depth=4.97"Subcatchment D-W2: Runoff to W2 Flow Length=590' Tc=14.9 min CN=WQ Runoff=69.17 cfs 4.741 af MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 54HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Runoff Area=19.612 ac 0.00% Impervious Runoff Depth=5.52"Subcatchment DW-3: Wetland 3 Tc=8.0 min CN=WQ Runoff=170.39 cfs 9.022 af Runoff Area=0.302 ac 0.00% Impervious Runoff Depth=4.71"Subcatchment E-1: Wetland 1 Tributary Area Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 Runoff=2.74 cfs 0.119 af Runoff Area=1.032 ac 12.02% Impervious Runoff Depth=5.30"Subcatchment OFF-1: SOUTH OFFSITE Flow Length=433' Slope=0.0276 '/' Tc=9.2 min CN=WQ Runoff=8.44 cfs 0.456 af Runoff Area=462,782 sf 12.92% Impervious Runoff Depth=5.32"Subcatchment OFF-2: OFF-2 Flow Length=647' Slope=0.0340 '/' Tc=11.4 min CN=WQ Runoff=79.47 cfs 4.707 af Runoff Area=2.070 ac 0.00% Impervious Runoff Depth=2.51"Subcatchment OFF-IB2: Offiste Runoff to IB2 Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ Runoff=5.33 cfs 0.434 af Runoff Area=35.775 ac 16.69% Impervious Runoff Depth=5.58"Subcatchment SW: SW Waterbody Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ Runoff=307.48 cfs 16.650 af Runoff Area=20.120 ac 23.00% Impervious Runoff Depth=5.49"Subcatchment W4: Wetland 4 Runoff Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ Runoff=162.59 cfs 9.197 af Peak Elev=885.50' Storage=140,097 cf Inflow=171.79 cfs 10.581 afPond 1P: Pond Primary=53.98 cfs 5.998 af Secondary=131.99 cfs 4.583 af Outflow=162.55 cfs 10.581 af Peak Elev=882.03' Storage=1,065 cf Inflow=5.21 cfs 0.228 afPond 2P: Filtration adjacent to Wetland 2 Discarded=0.00 cfs 0.014 af Primary=0.03 cfs 0.038 af Secondary=5.18 cfs 0.173 af Outflow=5.22 cfs 0.226 af Peak Elev=905.37' Storage=3,060 cf Inflow=2.74 cfs 0.119 afPond 3P: Wetland 1 Discarded=0.01 cfs 0.073 af Primary=0.39 cfs 0.046 af Outflow=0.40 cfs 0.119 af Peak Elev=885.50' Storage=112,238 cf Inflow=162.55 cfs 10.581 afPond 4P: Infiltration Basin Discarded=1.35 cfs 2.107 af Primary=42.07 cfs 8.474 af Secondary=0.00 cfs 0.000 af Outflow=43.42 cfs 10.581 af Peak Elev=906.06' Storage=4,776 cf Inflow=4.47 cfs 0.251 afPond 5P: Disturbed Treatment Area Discarded=0.03 cfs 0.086 af Primary=0.71 cfs 0.138 af Secondary=1.97 cfs 0.027 af Outflow=2.71 cfs 0.251 af Peak Elev=901.85' Storage=496,160 cf Inflow=307.48 cfs 16.650 afPond 6P: SW Waterbody (undelineated Outflow=16.77 cfs 16.120 af Peak Elev=897.30' Storage=56,110 cf Inflow=75.73 cfs 19.316 afPond 7P: Undelineated Wetland Outflow=48.28 cfs 18.718 af Peak Elev=879.54' Storage=119,315 cf Inflow=43.56 cfs 3.736 afPond 17P: POND1 Outflow=14.38 cfs 3.735 af Peak Elev=880.22' Storage=5.535 af Inflow=100.24 cfs 8.080 afPond 25P: POND2 Outflow=56.98 cfs 8.079 af Peak Elev=895.93' Storage=45,202 cf Inflow=37.02 cfs 2.332 afPond IB-2: IB-2 Discarded=0.03 cfs 0.112 af Primary=9.48 cfs 2.219 af Outflow=9.51 cfs 2.332 af MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 55HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Peak Elev=879.43' Storage=65,720 cf Inflow=128.71 cfs 35.551 afPond W-2: Wetland 2 Erhart Farm Outflow=108.35 cfs 35.551 af Peak Elev=877.10' Storage=2,093,448 cf Inflow=374.58 cfs 71.432 afPond W-3: Wetland 3 (Wetland C 28.5" x 18.0", R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' Outflow=17.80 cfs 71.320 af Peak Elev=894.76' Storage=10,017 cf Inflow=57.66 cfs 28.078 afPond W-3A: Wetland 3A Outflow=57.54 cfs 28.078 af Peak Elev=895.03' Storage=219,464 cf Inflow=210.14 cfs 28.079 afPond W-4: Wetland 4 Outflow=57.66 cfs 28.078 af Total Runoff Area = 172.739 ac Runoff Volume = 74.958 af Average Runoff Depth = 5.21" 80.74% Pervious = 139.464 ac 19.26% Impervious = 33.275 ac MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 56HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 1S: 1S Runoff = 163.80 cfs @ 12.19 hrs, Volume= 10.079 af, Depth= 5.71" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description * 12.169 84 >75% Grass cover, Good, HSG D * 4.144 98 Proposed Impervious, HSG D * 0.643 98 Existing Impervious, HSG D 4.209 77 Woods, Good, HSG D 21.165 Weighted Average 16.378 77.38% Pervious Area 4.787 22.62% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.3 100 0.0200 0.16 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.5 60 0.0200 2.12 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 1.0 Direct Entry, Pipe Flow 11.8 160 Total Summary for Subcatchment 2S: 2S Runoff = 7.12 cfs @ 12.11 hrs, Volume= 0.302 af, Depth= 4.84" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description * 0.126 84 >75% Grass cover, Good, HSG D 0.622 77 Woods, Good, HSG D 0.748 Weighted Average 0.748 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.5 65 0.1231 0.31 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.4 129 0.1130 5.04 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 3.9 194 Total MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 57HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 3S: 3S Runoff = 43.94 cfs @ 12.11 hrs, Volume= 1.864 af, Depth= 5.29" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Adj Description * 1.695 84 84 >75% Grass cover, Good, HSG D 0.451 98 98 Unconnected roofs, HSG D 2.086 77 77 Woods, Good, HSG D 4.232 Weighted Average 3.781 89.34% Pervious Area 0.451 10.66% Impervious Area 0.451 100.00% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.8 165 0.0634 0.98 Lag/CN Method, Summary for Subcatchment 4S: Disturbed Area for Haul Road Runoff = 4.47 cfs @ 12.18 hrs, Volume= 0.251 af, Depth= 5.50" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description * 0.547 84 Disturbed ground 0.547 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 56 0.0200 0.10 Sheet Flow, Grass: Dense n= 0.240 P2= 2.87" 0.7 210 0.1000 4.74 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 10.2 266 Total Summary for Subcatchment 5S: 5S Runoff = 5.21 cfs @ 12.11 hrs, Volume= 0.228 af, Depth= 5.50" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 58HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description * 0.497 84 >75% Grass cover, Good, HSG D 0.497 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.5 65 0.1231 0.31 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.4 129 0.1130 5.04 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 3.9 194 Total Summary for Subcatchment 8S: Wetland Runoff = 69.69 cfs @ 12.13 hrs, Volume= 3.195 af, Depth= 4.98" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 3.495 79 Woods/grass comb., Good, HSG D 0.528 98 Water Surface, 0% imp, HSG D 3.681 77 Woods, Good, HSG D 7.704 Weighted Average 7.704 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.6 335 0.0596 1.00 Lag/CN Method, Summary for Subcatchment 18S: Area - B3 (PERV) Runoff = 14.04 cfs @ 12.30 hrs, Volume= 1.051 af, Depth= 3.40" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 3.710 65 2 acre lots, 12% imp, HSG B 3.265 88.00% Pervious Area 0.445 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 59HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 19S: Area - C2 (PERV) Runoff = 74.16 cfs @ 12.30 hrs, Volume= 5.550 af, Depth= 3.40" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 19.593 65 2 acre lots, 12% imp, HSG B 17.242 88.00% Pervious Area 2.351 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 20S: Area - C2 (IMP) Runoff = 22.93 cfs @ 12.29 hrs, Volume= 1.955 af, Depth= 7.14" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description * 3.285 98 Imp - Pro roadway 3.285 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 27S: Area - C3 Runoff = 11.80 cfs @ 12.12 hrs, Volume= 0.575 af, Depth= 5.37" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description * 0.607 65 Upland * 0.678 98 Pond NWL 1.285 Weighted Average 0.607 47.24% Pervious Area 0.678 52.76% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 60HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 47S: Area - B3 (IMP) Runoff = 27.66 cfs @ 12.29 hrs, Volume= 2.358 af, Depth= 7.14" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description * 1.922 98 Imp - ex parking lot * 2.040 98 Imp - Pro Roadway 3.962 Weighted Average 3.962 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 48S: Area - B4 Runoff = 6.85 cfs @ 12.12 hrs, Volume= 0.327 af, Depth= 4.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description * 0.330 98 Pond NWL * 0.462 65 Upland 0.792 Weighted Average 0.462 58.33% Pervious Area 0.330 41.67% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3A: Direct Runoff to IB2 Runoff = 10.05 cfs @ 12.12 hrs, Volume= 0.444 af, Depth= 4.53" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.086 98 Roofs, HSG C 1.051 74 >75% Grass cover, Good, HSG C 0.039 60 Woods, Fair, HSG B 1.176 Weighted Average 1.090 92.69% Pervious Area 0.086 7.31% Impervious Area MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 61HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3B: Runoff to IB2 Runoff = 11.12 cfs @ 12.17 hrs, Volume= 0.640 af, Depth= 5.43" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.613 98 Roofs, HSG C 0.135 60 Woods, Fair, HSG B 0.666 74 >75% Grass cover, Good, HSG C 1.414 Weighted Average 0.801 56.65% Pervious Area 0.613 43.35% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 Direct Entry, Summary for Subcatchment D-3C: Runoff to IB2 Runoff = 14.71 cfs @ 12.15 hrs, Volume= 0.814 af, Depth= 5.89" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.910 98 Roofs, HSG C 0.748 74 >75% Grass cover, Good, HSG C 1.658 Weighted Average 0.748 45.11% Pervious Area 0.910 54.89% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.2 Direct Entry, Summary for Subcatchment D-W2: Runoff to W2 Runoff = 69.17 cfs @ 12.23 hrs, Volume= 4.741 af, Depth= 4.97" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 62HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description 0.268 98 Roofs, HSG C 2.316 60 Woods, Fair, HSG B * 3.013 98 Wetland 2.084 74 >75% Grass cover, Good, HSG C 3.755 77 Woods, Good, HSG D 11.436 Weighted Average 8.155 71.31% Pervious Area 3.281 28.69% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.4 400 0.1300 1.53 Lag/CN Method, 10.5 190 0.0700 0.30 Sheet Flow, backyard swale Grass: Short n= 0.150 P2= 2.87" 14.9 590 Total Summary for Subcatchment DW-3: Wetland 3 Runoff = 170.39 cfs @ 12.15 hrs, Volume= 9.022 af, Depth= 5.52" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 5.913 98 Water Surface, 0% imp, HSG D 13.699 78 Meadow, non-grazed, HSG D 19.612 Weighted Average 19.612 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Summary for Subcatchment E-1: Wetland 1 Tributary Area Runoff = 2.74 cfs @ 12.12 hrs, Volume= 0.119 af, Depth= 4.71" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.302 77 Woods, Good, HSG D 0.302 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.6 101 0.0146 0.37 Lag/CN Method, MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 63HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-1: SOUTH OFFSITE Runoff = 8.44 cfs @ 12.17 hrs, Volume= 0.456 af, Depth= 5.30" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.908 80 >75% Grass cover, Good, HSG D 0.124 98 Paved roads w/curbs & sewers, HSG D 1.032 Weighted Average 0.908 87.98% Pervious Area 0.124 12.02% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.2 433 0.0276 0.79 Lag/CN Method, Summary for Subcatchment OFF-2: OFF-2 Runoff = 79.47 cfs @ 12.19 hrs, Volume= 4.707 af, Depth= 5.32" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (sf) CN Description 59,808 98 Roofs, HSG D 402,974 80 >75% Grass cover, Good, HSG D 462,782 Weighted Average 402,974 87.08% Pervious Area 59,808 12.92% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 11.4 647 0.0340 0.94 Lag/CN Method, Summary for Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff = 5.33 cfs @ 12.34 hrs, Volume= 0.434 af, Depth= 2.51" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.596 60 Woods, Fair, HSG B 1.474 55 Woods, Good, HSG B 2.070 Weighted Average 2.070 100.00% Pervious Area MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 64HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 21.9 430 0.0200 0.33 Lag/CN Method, Summary for Subcatchment SW: SW Waterbody (undelineated water body) Runoff = 307.48 cfs @ 12.16 hrs, Volume= 16.650 af, Depth= 5.58" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.240 98 Unconnected roofs, HSG D 5.731 98 Water Surface, HSG D 29.804 82 Woods/grass comb., Fair, HSG D 35.775 Weighted Average 29.804 83.31% Pervious Area 5.971 16.69% Impervious Area 0.240 4.02% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.0 678 0.0479 1.25 Lag/CN Method, Summary for Subcatchment W4: Wetland 4 Runoff Runoff = 162.59 cfs @ 12.17 hrs, Volume= 9.197 af, Depth= 5.49" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description * 4.511 98 Wetland 7.763 77 Woods, Good, HSG D 7.729 82 Woods/grass comb., Fair, HSG D 0.117 98 Unconnected roofs, HSG D 20.120 Weighted Average 15.492 77.00% Pervious Area 4.628 23.00% Impervious Area 0.117 2.53% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.8 640 0.0400 1.09 Lag/CN Method, MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 65HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 1P: Pond Inflow Area = 22.499 ac, 21.83% Impervious, Inflow Depth = 5.64" for 100-Year event Inflow = 171.79 cfs @ 12.19 hrs, Volume= 10.581 af Outflow = 162.55 cfs @ 12.19 hrs, Volume= 10.581 af, Atten= 5%, Lag= 0.0 min Primary = 53.98 cfs @ 12.12 hrs, Volume= 5.998 af Secondary = 131.99 cfs @ 12.20 hrs, Volume= 4.583 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 882.00' Surf.Area= 35,975 sf Storage= 63,977 cf Peak Elev= 885.50' @ 12.52 hrs Surf.Area= 43,625 sf Storage= 140,097 cf (76,120 cf above start) Plug-Flow detention time= 101.3 min calculated for 9.112 af (86% of inflow) Center-of-Mass det. time= 22.2 min ( 800.0 - 777.8 ) Volume Invert Avail.Storage Storage Description #1 872.00' 63,977 cf Dead Storage (Prismatic) Listed below (Recalc) #2 882.00' 89,285 cf Live Storage (Prismatic) Listed below (Recalc) 153,262 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 872.00 1,179 0 0 874.00 2,589 3,768 3,768 876.00 4,525 7,114 10,882 878.00 6,736 11,261 22,143 880.00 9,721 16,457 38,600 881.00 11,522 10,622 49,222 882.00 17,988 14,755 63,977 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 882.00 17,987 0 0 884.00 22,265 40,252 40,252 886.00 26,768 49,033 89,285 Device Routing Invert Outlet Devices #1 Primary 880.68'27.0" Round Culvert L= 55.2' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 880.68' / 880.50' S= 0.0033 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #2 Primary 880.57'27.0" Round Culvert L= 23.8' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 880.57' / 880.50' S= 0.0029 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #3 Device 1 882.00'5.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 #4 Device 2 882.00'5.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 66HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC #5 Secondary 884.00'193.1' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=52.19 cfs @ 12.12 hrs HW=884.19' TW=883.00' (Dynamic Tailwater) 1=Culvert (Outlet Controls 26.06 cfs @ 6.55 fps) 3=Broad-Crested Rectangular Weir (Passes 26.06 cfs of 46.78 cfs potential flow) 2=Culvert (Inlet Controls 26.13 cfs @ 6.57 fps) 4=Broad-Crested Rectangular Weir (Passes 26.13 cfs of 46.78 cfs potential flow) Secondary OutFlow Max=112.40 cfs @ 12.20 hrs HW=884.42' TW=884.22' (Dynamic Tailwater) 5=Broad-Crested Rectangular Weir (Weir Controls 112.40 cfs @ 1.39 fps) Summary for Pond 2P: Filtration adjacent to Wetland 2 [90] Warning: Qout>Qin may require smaller dt or Finer Routing Inflow Area = 0.497 ac, 0.00% Impervious, Inflow Depth = 5.50" for 100-Year event Inflow = 5.21 cfs @ 12.11 hrs, Volume= 0.228 af Outflow = 5.22 cfs @ 12.12 hrs, Volume= 0.226 af, Atten= 0%, Lag= 0.2 min Discarded = 0.00 cfs @ 8.93 hrs, Volume= 0.014 af Primary = 0.03 cfs @ 11.76 hrs, Volume= 0.038 af Secondary = 5.18 cfs @ 12.12 hrs, Volume= 0.173 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 882.03' @ 12.12 hrs Surf.Area= 3,743 sf Storage= 1,065 cf Plug-Flow detention time= 194.3 min calculated for 0.226 af (99% of inflow) Center-of-Mass det. time= 188.5 min ( 967.8 - 779.3 ) Volume Invert Avail.Storage Storage Description #1 879.85' 103 cf Infiltration Volume (Prismatic) Listed below (Recalc) 342 cf Overall x 30.0% Voids #2 880.17' 479 cf Filtration Volume (Prismatic) Listed below (Recalc) 1,596 cf Overall x 30.0% Voids #3 881.67' 1,246 cf Live Storage (Prismatic) Listed below (Recalc) 1,827 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.85 1,070 0 0 880.17 1,070 342 342 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 880.17 1,064 0 0 881.67 1,064 1,596 1,596 MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 67HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 881.67 1,064 0 0 882.00 1,609 441 441 882.50 1,609 805 1,246 Device Routing Invert Outlet Devices #1 Discarded 879.85'0.080 in/hr Exfiltration over Surface area from 879.85' - 880.17' Excluded Surface area = 1,070 sf Phase-In= 0.01' #2 Primary 880.17'0.800 in/hr Exfiltration over Surface area above 880.17' Excluded Surface area = 2,134 sf Phase-In= 0.01' #3 Secondary 881.99'275.3' long x 1.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 Coef. (English) 2.69 2.72 2.75 2.85 2.98 3.08 3.20 3.28 3.31 3.30 3.31 3.32 Discarded OutFlow Max=0.00 cfs @ 8.93 hrs HW=880.17' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.00 cfs) Primary OutFlow Max=0.03 cfs @ 11.76 hrs HW=882.00' TW=879.10' (Dynamic Tailwater) 2=Exfiltration (Exfiltration Controls 0.03 cfs) Secondary OutFlow Max=5.16 cfs @ 12.12 hrs HW=882.03' TW=879.23' (Dynamic Tailwater) 3=Broad-Crested Rectangular Weir (Weir Controls 5.16 cfs @ 0.51 fps) Summary for Pond 3P: Wetland 1 Inflow Area = 0.302 ac, 0.00% Impervious, Inflow Depth = 4.71" for 100-Year event Inflow = 2.74 cfs @ 12.12 hrs, Volume= 0.119 af Outflow = 0.40 cfs @ 12.48 hrs, Volume= 0.119 af, Atten= 86%, Lag= 21.4 min Discarded = 0.01 cfs @ 12.48 hrs, Volume= 0.073 af Primary = 0.39 cfs @ 12.48 hrs, Volume= 0.046 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 905.37' @ 12.48 hrs Surf.Area= 4,764 sf Storage= 3,060 cf Plug-Flow detention time= 2,798.7 min calculated for 0.119 af (100% of inflow) Center-of-Mass det. time= 2,798.8 min ( 3,590.9 - 792.0 ) Volume Invert Avail.Storage Storage Description #1 904.20' 3,679 cf Custom Stage Data (Prismatic) Listed below (Recalc) MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 68HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.20 134 0 0 904.40 408 54 54 904.60 1,089 150 204 904.80 3,690 478 682 905.00 3,969 766 1,448 905.20 4,340 831 2,279 905.40 4,834 917 3,196 905.50 4,834 483 3,679 Device Routing Invert Outlet Devices #1 Primary 905.33'14.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) #2 Discarded 904.20'0.060 in/hr Exfiltration over Surface area Discarded OutFlow Max=0.01 cfs @ 12.48 hrs HW=905.37' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.01 cfs) Primary OutFlow Max=0.39 cfs @ 12.48 hrs HW=905.37' TW=885.48' (Dynamic Tailwater) 1=Sharp-Crested Rectangular Weir (Weir Controls 0.39 cfs @ 0.67 fps) Summary for Pond 4P: Infiltration Basin [87] Warning: Oscillations may require smaller dt or Finer Routing (severity=27) [80] Warning: Exceeded Pond 1P by 0.06' @ 12.25 hrs (11.96 cfs 0.183 af) [80] Warning: Exceeded Pond 1P by 0.06' @ 12.25 hrs (166.03 cfs 4.086 af) Inflow Area = 22.499 ac, 21.83% Impervious, Inflow Depth = 5.64" for 100-Year event Inflow = 162.55 cfs @ 12.19 hrs, Volume= 10.581 af Outflow = 43.42 cfs @ 12.51 hrs, Volume= 10.581 af, Atten= 73%, Lag= 19.5 min Discarded = 1.35 cfs @ 12.51 hrs, Volume= 2.107 af Primary = 42.07 cfs @ 12.51 hrs, Volume= 8.474 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 885.50' @ 12.51 hrs Surf.Area= 48,454 sf Storage= 112,238 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 95.5 min ( 895.5 - 800.0 ) Volume Invert Avail.Storage Storage Description #1 880.50' 27,737 cf Infiltration Volume (Prismatic) Listed below (Recalc) #2 882.00' 99,100 cf Live Storage (Prismatic) Listed below (Recalc) 126,837 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 880.50 16,945 0 0 882.00 20,038 27,737 27,737 MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 69HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 882.00 20,038 0 0 884.00 24,699 44,737 44,737 886.00 29,664 54,363 99,100 Device Routing Invert Outlet Devices #1 Primary 878.17'27.0" Round Culvert L= 52.0' RCP, mitered to conform to fill, Ke= 0.700 Inlet / Outlet Invert= 878.17' / 878.00' S= 0.0033 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #2 Discarded 880.50'1.200 in/hr Exfiltration over Surface area #3 Device 1 882.00'60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Secondary 885.90'5.0' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Discarded OutFlow Max=1.35 cfs @ 12.51 hrs HW=885.50' (Free Discharge) 2=Exfiltration (Exfiltration Controls 1.35 cfs) Primary OutFlow Max=42.07 cfs @ 12.51 hrs HW=885.50' TW=875.74' (Dynamic Tailwater) 1=Culvert (Inlet Controls 42.07 cfs @ 10.58 fps) 3=Orifice/Grate (Passes 42.07 cfs of 176.80 cfs potential flow) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=880.50' TW=874.63' (Dynamic Tailwater) 4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 5P: Disturbed Treatment Area Inflow Area = 0.547 ac, 0.00% Impervious, Inflow Depth = 5.50" for 100-Year event Inflow = 4.47 cfs @ 12.18 hrs, Volume= 0.251 af Outflow = 2.71 cfs @ 12.28 hrs, Volume= 0.251 af, Atten= 39%, Lag= 6.5 min Discarded = 0.03 cfs @ 12.24 hrs, Volume= 0.086 af Primary = 0.71 cfs @ 12.28 hrs, Volume= 0.138 af Secondary = 1.97 cfs @ 12.28 hrs, Volume= 0.027 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 906.06' @ 12.28 hrs Surf.Area= 3,529 sf Storage= 4,776 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 333.7 min ( 1,118.9 - 785.2 ) Volume Invert Avail.Storage Storage Description #1 904.50' 6,339 cf Live Storage (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.50 2,570 0 0 906.00 3,529 4,574 4,574 906.50 3,529 1,765 6,339 MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 70HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Discarded 904.50'0.375 in/hr Exfiltration over Surface area #2 Primary 905.25'6.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 906.00'61.9' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Discarded OutFlow Max=0.03 cfs @ 12.24 hrs HW=906.02' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.03 cfs) Primary OutFlow Max=0.71 cfs @ 12.28 hrs HW=906.06' TW=894.90' (Dynamic Tailwater) 2=Orifice/Grate (Orifice Controls 0.71 cfs @ 3.59 fps) Secondary OutFlow Max=1.96 cfs @ 12.28 hrs HW=906.06' TW=894.90' (Dynamic Tailwater) 3=Broad-Crested Rectangular Weir (Weir Controls 1.96 cfs @ 0.56 fps) Summary for Pond 6P: SW Waterbody (undelineated water body) Inflow Area = 35.775 ac, 16.69% Impervious, Inflow Depth = 5.58" for 100-Year event Inflow = 307.48 cfs @ 12.16 hrs, Volume= 16.650 af Outflow = 16.77 cfs @ 13.46 hrs, Volume= 16.120 af, Atten= 95%, Lag= 77.9 min Primary = 16.77 cfs @ 13.46 hrs, Volume= 16.120 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 901.85' @ 13.46 hrs Surf.Area= 285,893 sf Storage= 496,160 cf Plug-Flow detention time= 746.2 min calculated for 16.120 af (97% of inflow) Center-of-Mass det. time= 729.3 min ( 1,507.6 - 778.2 ) Volume Invert Avail.Storage Storage Description #1 900.00' 537,615 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 900.00 90,358 0 0 900.20 256,659 34,702 34,702 901.00 285,893 217,021 251,722 902.00 285,893 285,893 537,615 Device Routing Invert Outlet Devices #1 Primary 900.15'2.3' long Sharp-Crested Vee/Trap Weir Cv= 2.62 (C= 3.28) Primary OutFlow Max=16.77 cfs @ 13.46 hrs HW=901.85' TW=896.77' (Dynamic Tailwater) 1=Sharp-Crested Vee/Trap Weir (Weir Controls 16.77 cfs @ 4.28 fps) MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 71HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 7P: Undelineated Wetland Inflow Area = 43.479 ac, 13.73% Impervious, Inflow Depth = 5.33" for 100-Year event Inflow = 75.73 cfs @ 12.13 hrs, Volume= 19.316 af Outflow = 48.28 cfs @ 12.20 hrs, Volume= 18.718 af, Atten= 36%, Lag= 4.1 min Primary = 48.28 cfs @ 12.20 hrs, Volume= 18.718 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 897.30' @ 12.20 hrs Surf.Area= 24,792 sf Storage= 56,110 cf Plug-Flow detention time= 203.6 min calculated for 18.718 af (97% of inflow) Center-of-Mass det. time= 44.9 min ( 1,433.1 - 1,388.2 ) Volume Invert Avail.Storage Storage Description #1 895.00' 73,404 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 895.00 23,009 0 0 896.09 24,792 26,052 26,052 897.00 24,792 22,561 48,612 898.00 24,792 24,792 73,404 Device Routing Invert Outlet Devices #1 Primary 896.09'13.7' long x 22.6' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=48.27 cfs @ 12.20 hrs HW=897.30' TW=894.73' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 48.27 cfs @ 2.91 fps) Summary for Pond 17P: POND1 Inflow Area = 8.464 ac, 55.97% Impervious, Inflow Depth = 5.30" for 100-Year event Inflow = 43.56 cfs @ 12.29 hrs, Volume= 3.736 af Outflow = 14.38 cfs @ 12.67 hrs, Volume= 3.735 af, Atten= 67%, Lag= 23.2 min Primary = 14.38 cfs @ 12.67 hrs, Volume= 3.735 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 14,344 sf Storage= 57,207 cf Peak Elev= 879.54' @ 12.67 hrs Surf.Area= 20,769 sf Storage= 119,315 cf (62,109 cf above start) Plug-Flow detention time= 420.8 min calculated for 2.422 af (65% of inflow) Center-of-Mass det. time= 198.3 min ( 973.1 - 774.8 ) Volume Invert Avail.Storage Storage Description #1 866.00' 151,629 cf Custom Stage Data (Prismatic) Listed below (Recalc) MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 72HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 866.00 991 0 0 875.00 9,115 45,477 45,477 876.00 14,344 11,730 57,207 881.00 23,425 94,423 151,629 Device Routing Invert Outlet Devices #1 Primary 876.00'18.0" Round Culvert L= 48.0' Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0833 '/' Cc= 0.900 n= 0.013, Flow Area= 1.77 sf #2 Primary 879.50'10.0' long x 4.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.38 2.54 2.69 2.68 2.67 2.67 2.65 2.66 2.66 2.68 2.72 2.73 2.76 2.79 2.88 3.07 3.32 Primary OutFlow Max=14.38 cfs @ 12.67 hrs HW=879.54' TW=875.89' (Dynamic Tailwater) 1=Culvert (Inlet Controls 14.21 cfs @ 8.04 fps) 2=Broad-Crested Rectangular Weir (Weir Controls 0.17 cfs @ 0.46 fps) Summary for Pond 25P: POND2 [93] Warning: Storage range exceeded by 0.22' Inflow Area = 24.163 ac, 26.13% Impervious, Inflow Depth = 4.01" for 100-Year event Inflow = 100.24 cfs @ 12.29 hrs, Volume= 8.080 af Outflow = 56.98 cfs @ 12.53 hrs, Volume= 8.079 af, Atten= 43%, Lag= 14.4 min Primary = 56.98 cfs @ 12.53 hrs, Volume= 8.079 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 0.678 ac Storage= 2.491 af Peak Elev= 880.22' @ 12.53 hrs Surf.Area= 0.846 ac Storage= 5.535 af (3.045 af above start) Plug-Flow detention time= 399.9 min calculated for 5.588 af (69% of inflow) Center-of-Mass det. time= 203.6 min ( 1,006.6 - 803.0 ) Volume Invert Avail.Storage Storage Description #1 869.00' 5.535 af Custom Stage Data (Prismatic) Listed below (Recalc) MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 73HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (acres) (acre-feet) (acre-feet) 869.00 0.163 0.000 0.000 870.00 0.213 0.188 0.188 871.00 0.264 0.239 0.427 872.00 0.317 0.290 0.717 873.00 0.370 0.343 1.061 874.00 0.425 0.397 1.458 875.00 0.481 0.453 1.911 876.00 0.678 0.579 2.491 877.00 0.719 0.698 3.189 878.00 0.761 0.740 3.929 879.00 0.803 0.782 4.711 880.00 0.846 0.824 5.535 Device Routing Invert Outlet Devices #1 Primary 876.00'21.0" Round Culvert L= 50.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0800 '/' Cc= 0.900 n= 0.013, Flow Area= 2.41 sf #2 Primary 879.00'10.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=55.77 cfs @ 12.53 hrs HW=880.19' TW=875.76' (Dynamic Tailwater) 1=Culvert (Inlet Controls 21.10 cfs @ 8.77 fps) 2=Broad-Crested Rectangular Weir (Weir Controls 34.68 cfs @ 2.91 fps) Summary for Pond IB-2: IB-2 Inflow Area = 6.318 ac, 25.47% Impervious, Inflow Depth = 4.43" for 100-Year event Inflow = 37.02 cfs @ 12.15 hrs, Volume= 2.332 af Outflow = 9.51 cfs @ 12.53 hrs, Volume= 2.332 af, Atten= 74%, Lag= 23.2 min Discarded = 0.03 cfs @ 12.53 hrs, Volume= 0.112 af Primary = 9.48 cfs @ 12.53 hrs, Volume= 2.219 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 895.93' @ 12.53 hrs Surf.Area= 19,361 sf Storage= 45,202 cf Plug-Flow detention time= 304.9 min calculated for 2.332 af (100% of inflow) Center-of-Mass det. time= 305.2 min ( 1,089.3 - 784.1 ) MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 74HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Volume Invert Avail.Storage Storage Description #1 891.00' 1,453 cf Infiltration Volume (D soils) (Prismatic) Listed below (Recalc) #2 891.24' 44,087 cf Live Storage (Prismatic) Listed below (Recalc) #3 890.00' 277 cf Forebay 1 (Prismatic) Listed below (Recalc) #4 890.00' 250 cf Forebay 2 (Prismatic) Listed below (Recalc) 46,066 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.00 5,475 0 0 891.24 6,632 1,453 1,453 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.24 6,632 0 0 892.00 7,418 5,339 5,339 894.00 9,630 17,048 22,387 896.00 12,070 21,700 44,087 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 160 0 0 891.00 393 277 277 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 146 0 0 891.00 354 250 250 Device Routing Invert Outlet Devices #1 Primary 886.70'12.0" Round 12" Outlet Pipe L= 87.4' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 886.70' / 886.00' S= 0.0080 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 0.79 sf #2 Discarded 890.00'0.060 in/hr Infiltration (D Soils) over Surface area Phase-In= 0.01' #3 Device 1 891.24'4.0" Vert. 4" Orifice C= 0.600 Limited to weir flow at low heads #4 Device 1 893.80'4.0' long x 0.5' breadth Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.03 cfs @ 12.53 hrs HW=895.93' (Free Discharge) 2=Infiltration (D Soils) (Exfiltration Controls 0.03 cfs) Primary OutFlow Max=9.48 cfs @ 12.53 hrs HW=895.93' TW=879.41' (Dynamic Tailwater) 1=12" Outlet Pipe (Barrel Controls 9.48 cfs @ 12.07 fps) 3=4" Orifice (Passes < 0.89 cfs potential flow) 4=Weir (Passes < 41.23 cfs potential flow) MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 75HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond W-2: Wetland 2 Erhart Farm Inflow Area = 83.145 ac, 18.63% Impervious, Inflow Depth = 5.13" for 100-Year event Inflow = 128.71 cfs @ 12.25 hrs, Volume= 35.551 af Outflow = 108.35 cfs @ 12.39 hrs, Volume= 35.551 af, Atten= 16%, Lag= 8.3 min Primary = 108.35 cfs @ 12.39 hrs, Volume= 35.551 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 879.43' @ 12.39 hrs Surf.Area= 173,463 sf Storage= 65,720 cf Plug-Flow detention time= 19.9 min calculated for 35.551 af (100% of inflow) Center-of-Mass det. time= 19.7 min ( 1,239.3 - 1,219.6 ) Volume Invert Avail.Storage Storage Description #1 879.00' 180,180 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.00 131,609 0 0 880.00 228,751 180,180 180,180 Device Routing Invert Outlet Devices #1 Primary 879.00'148.4' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=108.35 cfs @ 12.39 hrs HW=879.43' TW=875.60' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 108.35 cfs @ 1.69 fps) Summary for Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Area = 172.739 ac, 19.26% Impervious, Inflow Depth = 4.96" for 100-Year event Inflow = 374.58 cfs @ 12.17 hrs, Volume= 71.432 af Outflow = 17.80 cfs @ 20.80 hrs, Volume= 71.320 af, Atten= 95%, Lag= 518.2 min Primary = 17.80 cfs @ 20.80 hrs, Volume= 71.320 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 877.10' @ 20.80 hrs Surf.Area= 1,007,832 sf Storage= 2,093,448 cf Plug-Flow detention time= 1,968.7 min calculated for 71.319 af (100% of inflow) Center-of-Mass det. time= 1,948.7 min ( 2,995.8 - 1,047.1 ) Volume Invert Avail.Storage Storage Description #1 874.63' 5,386,618 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 874.63 225,955 0 0 875.00 791,747 188,275 188,275 876.00 912,103 851,925 1,040,200 880.00 1,261,106 4,346,418 5,386,618 MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 76HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 874.63'28.5" W x 18.0" H, R=14.8"/40.7" Pipe Arch RCP_Arch 29x18 L= 187.0' Ke= 0.500 Inlet / Outlet Invert= 874.63' / 872.83' S= 0.0096 '/' Cc= 0.900 n= 0.013, Flow Area= 2.79 sf Primary OutFlow Max=17.80 cfs @ 20.80 hrs HW=877.10' (Free Discharge) 1=RCP_Arch 29x18 (Inlet Controls 17.80 cfs @ 6.37 fps) Summary for Pond W-3A: Wetland 3A Inflow Area = 64.146 ac, 16.52% Impervious, Inflow Depth = 5.25" for 100-Year event Inflow = 57.66 cfs @ 12.51 hrs, Volume= 28.078 af Outflow = 57.54 cfs @ 12.57 hrs, Volume= 28.078 af, Atten= 0%, Lag= 3.6 min Primary = 57.54 cfs @ 12.57 hrs, Volume= 28.078 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 894.76' @ 12.57 hrs Surf.Area= 5,660 sf Storage= 10,017 cf Plug-Flow detention time= 5.0 min calculated for 28.078 af (100% of inflow) Center-of-Mass det. time= 4.8 min ( 1,319.4 - 1,314.6 ) Volume Invert Avail.Storage Storage Description #1 892.00' 35,594 cf Wetland 3A (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 892.00 1,570 0 0 894.00 4,562 6,132 6,132 896.00 7,450 12,012 18,144 898.00 10,000 17,450 35,594 Device Routing Invert Outlet Devices #1 Device 2 892.00'42.0" Round 42" Culvert L= 40.9' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 892.00' / 889.00' S= 0.0733 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf #2 Primary 885.50'42.0" Round 42" Culvert L= 70.5' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 885.50' / 885.20' S= 0.0043 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf Primary OutFlow Max=57.54 cfs @ 12.57 hrs HW=894.76' TW=879.40' (Dynamic Tailwater) 2=42" Culvert (Passes 57.54 cfs of 149.48 cfs potential flow) 1=42" Culvert (Inlet Controls 57.54 cfs @ 7.07 fps) MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 77HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond W-4: Wetland 4 Inflow Area = 64.146 ac, 16.52% Impervious, Inflow Depth = 5.25" for 100-Year event Inflow = 210.14 cfs @ 12.18 hrs, Volume= 28.079 af Outflow = 57.66 cfs @ 12.51 hrs, Volume= 28.078 af, Atten= 73%, Lag= 20.3 min Primary = 57.66 cfs @ 12.51 hrs, Volume= 28.078 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 895.03' @ 12.57 hrs Surf.Area= 221,166 sf Storage= 219,464 cf Plug-Flow detention time= 100.7 min calculated for 28.078 af (100% of inflow) Center-of-Mass det. time= 99.6 min ( 1,314.6 - 1,215.0 ) Volume Invert Avail.Storage Storage Description #1 894.00' 441,167 cf Wetland 4 (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 894.00 203,377 0 0 896.00 237,790 441,167 441,167 Device Routing Invert Outlet Devices #1 Primary 894.00'30.0' long x 5.0' breadth Natural Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=57.52 cfs @ 12.51 hrs HW=895.03' TW=894.76' (Dynamic Tailwater) 1=Natural Weir (Weir Controls 57.52 cfs @ 1.86 fps) MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 78HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-600.00 hrs, dt=0.01 hrs, 60001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=21.165 ac 22.62% Impervious Runoff Depth=1.30"Subcatchment 1S: 1S Flow Length=160' Slope=0.0200 '/' Tc=11.8 min CN=WQ Runoff=37.83 cfs 2.297 af Runoff Area=0.748 ac 0.00% Impervious Runoff Depth=0.80"Subcatchment 2S: 2S Flow Length=194' Tc=3.9 min CN=WQ Runoff=1.23 cfs 0.050 af Runoff Area=4.232 ac 10.66% Impervious Runoff Depth=1.05"Subcatchment 3S: 3S Flow Length=165' Slope=0.0634 '/' Tc=2.8 min UI Adjusted CN=WQ Runoff=9.19 cfs 0.372 af Runoff Area=0.547 ac 0.00% Impervious Runoff Depth=1.12"Subcatchment 4S: Disturbed Area for Haul Flow Length=266' Tc=10.2 min CN=84 Runoff=0.94 cfs 0.051 af Runoff Area=0.497 ac 0.00% Impervious Runoff Depth=1.12"Subcatchment 5S: 5S Flow Length=194' Tc=3.9 min CN=84 Runoff=1.14 cfs 0.046 af Runoff Area=7.704 ac 0.00% Impervious Runoff Depth=0.89"Subcatchment 8S: Wetland Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ Runoff=12.54 cfs 0.571 af Runoff Area=3.710 ac 12.00% Impervious Runoff Depth=0.30"Subcatchment 18S: Area - B3 (PERV) Tc=20.0 min CN=65 Runoff=0.79 cfs 0.092 af Runoff Area=19.593 ac 12.00% Impervious Runoff Depth=0.30"Subcatchment 19S: Area - C2 (PERV) Tc=20.0 min CN=65 Runoff=4.15 cfs 0.486 af Runoff Area=3.285 ac 100.00% Impervious Runoff Depth=2.27"Subcatchment 20S: Area - C2 (IMP) Tc=20.0 min CN=98 Runoff=7.62 cfs 0.622 af Runoff Area=1.285 ac 52.76% Impervious Runoff Depth=1.34"Subcatchment 27S: Area - C3 Tc=5.0 min CN=WQ Runoff=2.82 cfs 0.143 af Runoff Area=3.962 ac 100.00% Impervious Runoff Depth=2.27"Subcatchment 47S: Area - B3 (IMP) Tc=20.0 min CN=WQ Runoff=9.19 cfs 0.750 af Runoff Area=0.792 ac 41.67% Impervious Runoff Depth=1.12"Subcatchment 48S: Area - B4 Tc=5.0 min CN=WQ Runoff=1.44 cfs 0.074 af Runoff Area=1.176 ac 7.31% Impervious Runoff Depth=0.72"Subcatchment D-3A: Direct Runoff to IB2 Tc=5.0 min CN=WQ Runoff=1.53 cfs 0.070 af Runoff Area=1.414 ac 43.35% Impervious Runoff Depth=1.29"Subcatchment D-3B: Runoff to IB2 Tc=9.5 min CN=WQ Runoff=2.56 cfs 0.152 af Runoff Area=1.658 ac 54.89% Impervious Runoff Depth=1.52"Subcatchment D-3C: Runoff to IB2 Tc=8.2 min CN=WQ Runoff=3.78 cfs 0.210 af Runoff Area=11.436 ac 28.69% Impervious Runoff Depth=1.04"Subcatchment D-W2: Runoff to W2 Flow Length=590' Tc=14.9 min CN=WQ Runoff=13.63 cfs 0.992 af MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 79HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Runoff Area=19.612 ac 0.00% Impervious Runoff Depth=1.23"Subcatchment DW-3: Wetland 3 Tc=8.0 min CN=WQ Runoff=37.87 cfs 2.018 af Runoff Area=0.302 ac 0.00% Impervious Runoff Depth=0.74"Subcatchment E-1: Wetland 1 Tributary Area Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 Runoff=0.44 cfs 0.019 af Runoff Area=1.032 ac 12.02% Impervious Runoff Depth=1.05"Subcatchment OFF-1: SOUTH OFFSITE Flow Length=433' Slope=0.0276 '/' Tc=9.2 min CN=WQ Runoff=1.69 cfs 0.091 af Runoff Area=462,782 sf 12.92% Impervious Runoff Depth=1.07"Subcatchment OFF-2: OFF-2 Flow Length=647' Slope=0.0340 '/' Tc=11.4 min CN=WQ Runoff=15.92 cfs 0.945 af Runoff Area=2.070 ac 0.00% Impervious Runoff Depth=0.11"Subcatchment OFF-IB2: Offiste Runoff to IB2 Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ Runoff=0.07 cfs 0.019 af Runoff Area=35.775 ac 16.69% Impervious Runoff Depth=1.21"Subcatchment SW: SW Waterbody Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ Runoff=68.02 cfs 3.609 af Runoff Area=20.120 ac 23.00% Impervious Runoff Depth=1.19"Subcatchment W4: Wetland 4 Runoff Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ Runoff=35.26 cfs 1.997 af Peak Elev=882.94' Storage=81,773 cf Inflow=39.43 cfs 2.388 afPond 1P: Pond Primary=30.07 cfs 2.388 af Secondary=0.00 cfs 0.000 af Outflow=30.07 cfs 2.388 af Peak Elev=881.99' Storage=1,013 cf Inflow=1.14 cfs 0.046 afPond 2P: Filtration adjacent to Wetland 2 Discarded=0.00 cfs 0.013 af Primary=0.03 cfs 0.024 af Secondary=0.21 cfs 0.007 af Outflow=0.24 cfs 0.044 af Peak Elev=904.79' Storage=636 cf Inflow=0.44 cfs 0.019 afPond 3P: Wetland 1 Discarded=0.00 cfs 0.019 af Primary=0.00 cfs 0.000 af Outflow=0.00 cfs 0.019 af Peak Elev=882.40' Storage=35,970 cf Inflow=30.07 cfs 2.388 afPond 4P: Infiltration Basin Discarded=1.14 cfs 1.471 af Primary=13.07 cfs 0.917 af Secondary=0.00 cfs 0.000 af Outflow=14.21 cfs 2.388 af Peak Elev=905.04' Storage=1,469 cf Inflow=0.94 cfs 0.051 afPond 5P: Disturbed Treatment Area Discarded=0.03 cfs 0.051 af Primary=0.00 cfs 0.000 af Secondary=0.00 cfs 0.000 af Outflow=0.03 cfs 0.051 af Peak Elev=900.51' Storage=116,557 cf Inflow=68.02 cfs 3.609 afPond 6P: SW Waterbody (undelineated Outflow=1.64 cfs 3.079 af Peak Elev=896.23' Storage=29,520 cf Inflow=12.71 cfs 3.650 afPond 7P: Undelineated Wetland Outflow=1.92 cfs 3.052 af Peak Elev=877.04' Storage=73,060 cf Inflow=10.24 cfs 0.916 afPond 17P: POND1 Outflow=4.52 cfs 0.915 af Peak Elev=876.81' Storage=3.054 af Inflow=11.92 cfs 1.251 afPond 25P: POND2 Outflow=3.34 cfs 1.249 af Peak Elev=892.62' Storage=12,124 cf Inflow=7.65 cfs 0.451 afPond IB-2: IB-2 Discarded=0.02 cfs 0.088 af Primary=0.46 cfs 0.363 af Outflow=0.48 cfs 0.451 af MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 80HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Peak Elev=879.11' Storage=14,356 cf Inflow=17.73 cfs 6.484 afPond W-2: Wetland 2 Erhart Farm Outflow=12.57 cfs 6.484 af Peak Elev=875.21' Storage=359,260 cf Inflow=63.92 cfs 12.901 afPond W-3: Wetland 3 (Wetland C from 28.5" x 18.0", R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' Outflow=2.70 cfs 12.798 af Peak Elev=892.80' Storage=1,748 cf Inflow=6.41 cfs 5.048 afPond W-3A: Wetland 3A Outflow=6.38 cfs 5.048 af Peak Elev=894.20' Storage=41,557 cf Inflow=35.26 cfs 5.049 afPond W-4: Wetland 4 Outflow=6.41 cfs 5.048 af Total Runoff Area = 172.739 ac Runoff Volume = 15.674 af Average Runoff Depth = 1.09" 80.74% Pervious = 139.464 ac 19.26% Impervious = 33.275 ac MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 81HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 1S: 1S Runoff = 37.83 cfs @ 12.20 hrs, Volume= 2.297 af, Depth= 1.30" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description * 12.169 84 >75% Grass cover, Good, HSG D * 4.144 98 Proposed Impervious, HSG D * 0.643 98 Existing Impervious, HSG D 4.209 77 Woods, Good, HSG D 21.165 Weighted Average 16.378 77.38% Pervious Area 4.787 22.62% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.3 100 0.0200 0.16 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.5 60 0.0200 2.12 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 1.0 Direct Entry, Pipe Flow 11.8 160 Total Summary for Subcatchment 2S: 2S Runoff = 1.23 cfs @ 12.12 hrs, Volume= 0.050 af, Depth= 0.80" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description * 0.126 84 >75% Grass cover, Good, HSG D 0.622 77 Woods, Good, HSG D 0.748 Weighted Average 0.748 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.5 65 0.1231 0.31 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.4 129 0.1130 5.04 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 3.9 194 Total MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 82HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 3S: 3S Runoff = 9.19 cfs @ 12.11 hrs, Volume= 0.372 af, Depth= 1.05" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Adj Description * 1.695 84 84 >75% Grass cover, Good, HSG D 0.451 98 98 Unconnected roofs, HSG D 2.086 77 77 Woods, Good, HSG D 4.232 Weighted Average 3.781 89.34% Pervious Area 0.451 10.66% Impervious Area 0.451 100.00% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.8 165 0.0634 0.98 Lag/CN Method, Summary for Subcatchment 4S: Disturbed Area for Haul Road Runoff = 0.94 cfs @ 12.18 hrs, Volume= 0.051 af, Depth= 1.12" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description * 0.547 84 Disturbed ground 0.547 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 56 0.0200 0.10 Sheet Flow, Grass: Dense n= 0.240 P2= 2.87" 0.7 210 0.1000 4.74 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 10.2 266 Total Summary for Subcatchment 5S: 5S Runoff = 1.14 cfs @ 12.12 hrs, Volume= 0.046 af, Depth= 1.12" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 83HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description * 0.497 84 >75% Grass cover, Good, HSG D 0.497 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.5 65 0.1231 0.31 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.4 129 0.1130 5.04 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 3.9 194 Total Summary for Subcatchment 8S: Wetland Runoff = 12.54 cfs @ 12.13 hrs, Volume= 0.571 af, Depth= 0.89" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 3.495 79 Woods/grass comb., Good, HSG D 0.528 98 Water Surface, 0% imp, HSG D 3.681 77 Woods, Good, HSG D 7.704 Weighted Average 7.704 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.6 335 0.0596 1.00 Lag/CN Method, Summary for Subcatchment 18S: Area - B3 (PERV) Runoff = 0.79 cfs @ 12.38 hrs, Volume= 0.092 af, Depth= 0.30" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 3.710 65 2 acre lots, 12% imp, HSG B 3.265 88.00% Pervious Area 0.445 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 84HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 19S: Area - C2 (PERV) Runoff = 4.15 cfs @ 12.38 hrs, Volume= 0.486 af, Depth= 0.30" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 19.593 65 2 acre lots, 12% imp, HSG B 17.242 88.00% Pervious Area 2.351 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 20S: Area - C2 (IMP) Runoff = 7.62 cfs @ 12.29 hrs, Volume= 0.622 af, Depth= 2.27" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description * 3.285 98 Imp - Pro roadway 3.285 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 27S: Area - C3 Runoff = 2.82 cfs @ 12.12 hrs, Volume= 0.143 af, Depth= 1.34" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description * 0.607 65 Upland * 0.678 98 Pond NWL 1.285 Weighted Average 0.607 47.24% Pervious Area 0.678 52.76% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 85HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 47S: Area - B3 (IMP) Runoff = 9.19 cfs @ 12.29 hrs, Volume= 0.750 af, Depth= 2.27" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description * 1.922 98 Imp - ex parking lot * 2.040 98 Imp - Pro Roadway 3.962 Weighted Average 3.962 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 48S: Area - B4 Runoff = 1.44 cfs @ 12.13 hrs, Volume= 0.074 af, Depth= 1.12" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description * 0.330 98 Pond NWL * 0.462 65 Upland 0.792 Weighted Average 0.462 58.33% Pervious Area 0.330 41.67% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3A: Direct Runoff to IB2 Runoff = 1.53 cfs @ 12.13 hrs, Volume= 0.070 af, Depth= 0.72" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 0.086 98 Roofs, HSG C 1.051 74 >75% Grass cover, Good, HSG C 0.039 60 Woods, Fair, HSG B 1.176 Weighted Average 1.090 92.69% Pervious Area 0.086 7.31% Impervious Area MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 86HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment D-3B: Runoff to IB2 Runoff = 2.56 cfs @ 12.17 hrs, Volume= 0.152 af, Depth= 1.29" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 0.613 98 Roofs, HSG C 0.135 60 Woods, Fair, HSG B 0.666 74 >75% Grass cover, Good, HSG C 1.414 Weighted Average 0.801 56.65% Pervious Area 0.613 43.35% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 Direct Entry, Summary for Subcatchment D-3C: Runoff to IB2 Runoff = 3.78 cfs @ 12.16 hrs, Volume= 0.210 af, Depth= 1.52" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 0.910 98 Roofs, HSG C 0.748 74 >75% Grass cover, Good, HSG C 1.658 Weighted Average 0.748 45.11% Pervious Area 0.910 54.89% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.2 Direct Entry, Summary for Subcatchment D-W2: Runoff to W2 Runoff = 13.63 cfs @ 12.24 hrs, Volume= 0.992 af, Depth= 1.04" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 87HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area (ac) CN Description 0.268 98 Roofs, HSG C 2.316 60 Woods, Fair, HSG B * 3.013 98 Wetland 2.084 74 >75% Grass cover, Good, HSG C 3.755 77 Woods, Good, HSG D 11.436 Weighted Average 8.155 71.31% Pervious Area 3.281 28.69% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.4 400 0.1300 1.53 Lag/CN Method, 10.5 190 0.0700 0.30 Sheet Flow, backyard swale Grass: Short n= 0.150 P2= 2.87" 14.9 590 Total Summary for Subcatchment DW-3: Wetland 3 Runoff = 37.87 cfs @ 12.15 hrs, Volume= 2.018 af, Depth= 1.23" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 5.913 98 Water Surface, 0% imp, HSG D 13.699 78 Meadow, non-grazed, HSG D 19.612 Weighted Average 19.612 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Summary for Subcatchment E-1: Wetland 1 Tributary Area Runoff = 0.44 cfs @ 12.13 hrs, Volume= 0.019 af, Depth= 0.74" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 0.302 77 Woods, Good, HSG D 0.302 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.6 101 0.0146 0.37 Lag/CN Method, MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 88HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-1: SOUTH OFFSITE Runoff = 1.69 cfs @ 12.17 hrs, Volume= 0.091 af, Depth= 1.05" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 0.908 80 >75% Grass cover, Good, HSG D 0.124 98 Paved roads w/curbs & sewers, HSG D 1.032 Weighted Average 0.908 87.98% Pervious Area 0.124 12.02% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.2 433 0.0276 0.79 Lag/CN Method, Summary for Subcatchment OFF-2: OFF-2 Runoff = 15.92 cfs @ 12.20 hrs, Volume= 0.945 af, Depth= 1.07" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (sf) CN Description 59,808 98 Roofs, HSG D 402,974 80 >75% Grass cover, Good, HSG D 462,782 Weighted Average 402,974 87.08% Pervious Area 59,808 12.92% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 11.4 647 0.0340 0.94 Lag/CN Method, Summary for Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff = 0.07 cfs @ 12.63 hrs, Volume= 0.019 af, Depth= 0.11" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 0.596 60 Woods, Fair, HSG B 1.474 55 Woods, Good, HSG B 2.070 Weighted Average 2.070 100.00% Pervious Area MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 89HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 21.9 430 0.0200 0.33 Lag/CN Method, Summary for Subcatchment SW: SW Waterbody (undelineated water body) Runoff = 68.02 cfs @ 12.17 hrs, Volume= 3.609 af, Depth= 1.21" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description 0.240 98 Unconnected roofs, HSG D 5.731 98 Water Surface, HSG D 29.804 82 Woods/grass comb., Fair, HSG D 35.775 Weighted Average 29.804 83.31% Pervious Area 5.971 16.69% Impervious Area 0.240 4.02% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.0 678 0.0479 1.25 Lag/CN Method, Summary for Subcatchment W4: Wetland 4 Runoff Runoff = 35.26 cfs @ 12.18 hrs, Volume= 1.997 af, Depth= 1.19" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs MSE 24-hr 3 NURP/1 year Rainfall=2.50" Area (ac) CN Description * 4.511 98 Wetland 7.763 77 Woods, Good, HSG D 7.729 82 Woods/grass comb., Fair, HSG D 0.117 98 Unconnected roofs, HSG D 20.120 Weighted Average 15.492 77.00% Pervious Area 4.628 23.00% Impervious Area 0.117 2.53% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.8 640 0.0400 1.09 Lag/CN Method, MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 90HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 1P: Pond Inflow Area = 22.499 ac, 21.83% Impervious, Inflow Depth = 1.27" for NURP/1 year event Inflow = 39.43 cfs @ 12.20 hrs, Volume= 2.388 af Outflow = 30.07 cfs @ 12.28 hrs, Volume= 2.388 af, Atten= 24%, Lag= 5.1 min Primary = 30.07 cfs @ 12.28 hrs, Volume= 2.388 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 882.00' Surf.Area= 35,975 sf Storage= 63,977 cf Peak Elev= 882.94' @ 12.28 hrs Surf.Area= 37,980 sf Storage= 81,773 cf (17,797 cf above start) Plug-Flow detention time= 269.9 min calculated for 0.919 af (38% of inflow) Center-of-Mass det. time= 23.1 min ( 821.9 - 798.8 ) Volume Invert Avail.Storage Storage Description #1 872.00' 63,977 cf Dead Storage (Prismatic) Listed below (Recalc) #2 882.00' 89,285 cf Live Storage (Prismatic) Listed below (Recalc) 153,262 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 872.00 1,179 0 0 874.00 2,589 3,768 3,768 876.00 4,525 7,114 10,882 878.00 6,736 11,261 22,143 880.00 9,721 16,457 38,600 881.00 11,522 10,622 49,222 882.00 17,988 14,755 63,977 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 882.00 17,987 0 0 884.00 22,265 40,252 40,252 886.00 26,768 49,033 89,285 Device Routing Invert Outlet Devices #1 Primary 880.68'27.0" Round Culvert L= 55.2' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 880.68' / 880.50' S= 0.0033 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #2 Primary 880.57'27.0" Round Culvert L= 23.8' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 880.57' / 880.50' S= 0.0029 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #3 Device 1 882.00'5.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 #4 Device 2 882.00'5.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 91HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC #5 Secondary 884.00'193.1' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=30.06 cfs @ 12.28 hrs HW=882.94' TW=881.70' (Dynamic Tailwater) 1=Culvert (Passes 15.03 cfs of 17.26 cfs potential flow) 3=Broad-Crested Rectangular Weir (Weir Controls 15.03 cfs @ 3.21 fps) 2=Culvert (Passes 15.03 cfs of 18.60 cfs potential flow) 4=Broad-Crested Rectangular Weir (Weir Controls 15.03 cfs @ 3.21 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=882.00' TW=880.50' (Dynamic Tailwater) 5=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 2P: Filtration adjacent to Wetland 2 [87] Warning: Oscillations may require smaller dt or Finer Routing (severity=1) Inflow Area = 0.497 ac, 0.00% Impervious, Inflow Depth = 1.12" for NURP/1 year event Inflow = 1.14 cfs @ 12.12 hrs, Volume= 0.046 af Outflow = 0.24 cfs @ 12.36 hrs, Volume= 0.044 af, Atten= 79%, Lag= 14.4 min Discarded = 0.00 cfs @ 11.78 hrs, Volume= 0.013 af Primary = 0.03 cfs @ 12.36 hrs, Volume= 0.024 af Secondary = 0.21 cfs @ 12.36 hrs, Volume= 0.007 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 881.99' @ 12.36 hrs Surf.Area= 3,734 sf Storage= 1,013 cf Plug-Flow detention time= 817.5 min calculated for 0.044 af (95% of inflow) Center-of-Mass det. time= 792.5 min ( 1,603.9 - 811.4 ) Volume Invert Avail.Storage Storage Description #1 879.85' 103 cf Infiltration Volume (Prismatic) Listed below (Recalc) 342 cf Overall x 30.0% Voids #2 880.17' 479 cf Filtration Volume (Prismatic) Listed below (Recalc) 1,596 cf Overall x 30.0% Voids #3 881.67' 1,246 cf Live Storage (Prismatic) Listed below (Recalc) 1,827 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.85 1,070 0 0 880.17 1,070 342 342 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 880.17 1,064 0 0 881.67 1,064 1,596 1,596 MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 92HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 881.67 1,064 0 0 882.00 1,609 441 441 882.50 1,609 805 1,246 Device Routing Invert Outlet Devices #1 Discarded 879.85'0.080 in/hr Exfiltration over Surface area from 879.85' - 880.17' Excluded Surface area = 1,070 sf Phase-In= 0.01' #2 Primary 880.17'0.800 in/hr Exfiltration over Surface area above 880.17' Excluded Surface area = 2,134 sf Phase-In= 0.01' #3 Secondary 881.99'275.3' long x 1.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 Coef. (English) 2.69 2.72 2.75 2.85 2.98 3.08 3.20 3.28 3.31 3.30 3.31 3.32 Discarded OutFlow Max=0.00 cfs @ 11.78 hrs HW=880.18' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.00 cfs) Primary OutFlow Max=0.03 cfs @ 12.36 hrs HW=881.99' TW=879.10' (Dynamic Tailwater) 2=Exfiltration (Exfiltration Controls 0.03 cfs) Secondary OutFlow Max=0.21 cfs @ 12.36 hrs HW=881.99' TW=879.10' (Dynamic Tailwater) 3=Broad-Crested Rectangular Weir (Weir Controls 0.21 cfs @ 0.18 fps) Summary for Pond 3P: Wetland 1 Inflow Area = 0.302 ac, 0.00% Impervious, Inflow Depth = 0.74" for NURP/1 year event Inflow = 0.44 cfs @ 12.13 hrs, Volume= 0.019 af Outflow = 0.00 cfs @ 20.11 hrs, Volume= 0.019 af, Atten= 99%, Lag= 479.2 min Discarded = 0.00 cfs @ 20.11 hrs, Volume= 0.019 af Primary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 904.79' @ 20.11 hrs Surf.Area= 3,523 sf Storage= 636 cf Plug-Flow detention time= 1,930.8 min calculated for 0.019 af (100% of inflow) Center-of-Mass det. time= 1,930.8 min ( 2,762.0 - 831.2 ) Volume Invert Avail.Storage Storage Description #1 904.20' 3,679 cf Custom Stage Data (Prismatic) Listed below (Recalc) MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 93HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.20 134 0 0 904.40 408 54 54 904.60 1,089 150 204 904.80 3,690 478 682 905.00 3,969 766 1,448 905.20 4,340 831 2,279 905.40 4,834 917 3,196 905.50 4,834 483 3,679 Device Routing Invert Outlet Devices #1 Primary 905.33'14.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) #2 Discarded 904.20'0.060 in/hr Exfiltration over Surface area Discarded OutFlow Max=0.00 cfs @ 20.11 hrs HW=904.79' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.00 cfs) Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=904.20' TW=882.00' (Dynamic Tailwater) 1=Sharp-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 4P: Infiltration Basin [87] Warning: Oscillations may require smaller dt or Finer Routing (severity=95) Inflow Area = 22.499 ac, 21.83% Impervious, Inflow Depth = 1.27" for NURP/1 year event Inflow = 30.07 cfs @ 12.28 hrs, Volume= 2.388 af Outflow = 14.21 cfs @ 12.55 hrs, Volume= 2.388 af, Atten= 53%, Lag= 16.2 min Discarded = 1.14 cfs @ 12.55 hrs, Volume= 1.471 af Primary = 13.07 cfs @ 12.55 hrs, Volume= 0.917 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 882.40' @ 12.55 hrs Surf.Area= 41,012 sf Storage= 35,970 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 291.2 min ( 1,113.0 - 821.9 ) Volume Invert Avail.Storage Storage Description #1 880.50' 27,737 cf Infiltration Volume (Prismatic) Listed below (Recalc) #2 882.00' 99,100 cf Live Storage (Prismatic) Listed below (Recalc) 126,837 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 880.50 16,945 0 0 882.00 20,038 27,737 27,737 MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 94HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 882.00 20,038 0 0 884.00 24,699 44,737 44,737 886.00 29,664 54,363 99,100 Device Routing Invert Outlet Devices #1 Primary 878.17'27.0" Round Culvert L= 52.0' RCP, mitered to conform to fill, Ke= 0.700 Inlet / Outlet Invert= 878.17' / 878.00' S= 0.0033 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #2 Discarded 880.50'1.200 in/hr Exfiltration over Surface area #3 Device 1 882.00'60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Secondary 885.90'5.0' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Discarded OutFlow Max=1.14 cfs @ 12.55 hrs HW=882.40' (Free Discharge) 2=Exfiltration (Exfiltration Controls 1.14 cfs) Primary OutFlow Max=13.07 cfs @ 12.55 hrs HW=882.40' TW=874.91' (Dynamic Tailwater) 1=Culvert (Passes 13.07 cfs of 29.77 cfs potential flow) 3=Orifice/Grate (Weir Controls 13.07 cfs @ 2.07 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=880.50' TW=874.63' (Dynamic Tailwater) 4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 5P: Disturbed Treatment Area Inflow Area = 0.547 ac, 0.00% Impervious, Inflow Depth = 1.12" for NURP/1 year event Inflow = 0.94 cfs @ 12.18 hrs, Volume= 0.051 af Outflow = 0.03 cfs @ 15.17 hrs, Volume= 0.051 af, Atten= 97%, Lag= 179.2 min Discarded = 0.03 cfs @ 15.17 hrs, Volume= 0.051 af Primary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 905.04' @ 15.17 hrs Surf.Area= 2,913 sf Storage= 1,469 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 601.4 min ( 1,418.7 - 817.3 ) Volume Invert Avail.Storage Storage Description #1 904.50' 6,339 cf Live Storage (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.50 2,570 0 0 906.00 3,529 4,574 4,574 906.50 3,529 1,765 6,339 MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 95HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Discarded 904.50'0.375 in/hr Exfiltration over Surface area #2 Primary 905.25'6.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 906.00'61.9' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Discarded OutFlow Max=0.03 cfs @ 15.17 hrs HW=905.04' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.03 cfs) Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=904.50' TW=894.00' (Dynamic Tailwater) 2=Orifice/Grate ( Controls 0.00 cfs) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=904.50' TW=894.00' (Dynamic Tailwater) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 6P: SW Waterbody (undelineated water body) Inflow Area = 35.775 ac, 16.69% Impervious, Inflow Depth = 1.21" for NURP/1 year event Inflow = 68.02 cfs @ 12.17 hrs, Volume= 3.609 af Outflow = 1.64 cfs @ 15.15 hrs, Volume= 3.079 af, Atten= 98%, Lag= 179.1 min Primary = 1.64 cfs @ 15.15 hrs, Volume= 3.079 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 900.51' @ 15.15 hrs Surf.Area= 268,060 sf Storage= 116,557 cf Plug-Flow detention time= 1,490.2 min calculated for 3.079 af (85% of inflow) Center-of-Mass det. time= 1,433.8 min ( 2,235.7 - 801.9 ) Volume Invert Avail.Storage Storage Description #1 900.00' 537,615 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 900.00 90,358 0 0 900.20 256,659 34,702 34,702 901.00 285,893 217,021 251,722 902.00 285,893 285,893 537,615 Device Routing Invert Outlet Devices #1 Primary 900.15'2.3' long Sharp-Crested Vee/Trap Weir Cv= 2.62 (C= 3.28) Primary OutFlow Max=1.64 cfs @ 15.15 hrs HW=900.51' TW=896.23' (Dynamic Tailwater) 1=Sharp-Crested Vee/Trap Weir (Weir Controls 1.64 cfs @ 1.97 fps) MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 96HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 7P: Undelineated Wetland Inflow Area = 43.479 ac, 13.73% Impervious, Inflow Depth = 1.01" for NURP/1 year event Inflow = 12.71 cfs @ 12.13 hrs, Volume= 3.650 af Outflow = 1.92 cfs @ 15.11 hrs, Volume= 3.052 af, Atten= 85%, Lag= 178.6 min Primary = 1.92 cfs @ 15.11 hrs, Volume= 3.052 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 896.23' @ 15.11 hrs Surf.Area= 24,792 sf Storage= 29,520 cf Plug-Flow detention time= 965.7 min calculated for 3.052 af (84% of inflow) Center-of-Mass det. time= 296.6 min ( 2,310.3 - 2,013.7 ) Volume Invert Avail.Storage Storage Description #1 895.00' 73,404 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 895.00 23,009 0 0 896.09 24,792 26,052 26,052 897.00 24,792 22,561 48,612 898.00 24,792 24,792 73,404 Device Routing Invert Outlet Devices #1 Primary 896.09'13.7' long x 22.6' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=1.92 cfs @ 15.11 hrs HW=896.23' TW=894.13' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 1.92 cfs @ 1.00 fps) Summary for Pond 17P: POND1 Inflow Area = 8.464 ac, 55.97% Impervious, Inflow Depth = 1.30" for NURP/1 year event Inflow = 10.24 cfs @ 12.29 hrs, Volume= 0.916 af Outflow = 4.52 cfs @ 12.59 hrs, Volume= 0.915 af, Atten= 56%, Lag= 18.2 min Primary = 4.52 cfs @ 12.59 hrs, Volume= 0.915 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 14,344 sf Storage= 57,207 cf Peak Elev= 877.04' @ 12.59 hrs Surf.Area= 16,228 sf Storage= 73,060 cf (15,853 cf above start) Plug-Flow detention time= (not calculated: initial storage exceeds outflow) Center-of-Mass det. time= 168.2 min ( 949.8 - 781.6 ) Volume Invert Avail.Storage Storage Description #1 866.00' 151,629 cf Custom Stage Data (Prismatic) Listed below (Recalc) MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 97HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 866.00 991 0 0 875.00 9,115 45,477 45,477 876.00 14,344 11,730 57,207 881.00 23,425 94,423 151,629 Device Routing Invert Outlet Devices #1 Primary 876.00'18.0" Round Culvert L= 48.0' Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0833 '/' Cc= 0.900 n= 0.013, Flow Area= 1.77 sf #2 Primary 879.50'10.0' long x 4.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.38 2.54 2.69 2.68 2.67 2.67 2.65 2.66 2.66 2.68 2.72 2.73 2.76 2.79 2.88 3.07 3.32 Primary OutFlow Max=4.52 cfs @ 12.59 hrs HW=877.04' TW=874.92' (Dynamic Tailwater) 1=Culvert (Inlet Controls 4.52 cfs @ 3.47 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 25P: POND2 Inflow Area = 24.163 ac, 26.13% Impervious, Inflow Depth = 0.62" for NURP/1 year event Inflow = 11.92 cfs @ 12.32 hrs, Volume= 1.251 af Outflow = 3.34 cfs @ 12.88 hrs, Volume= 1.249 af, Atten= 72%, Lag= 33.2 min Primary = 3.34 cfs @ 12.88 hrs, Volume= 1.249 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 0.678 ac Storage= 2.491 af Peak Elev= 876.81' @ 12.88 hrs Surf.Area= 0.711 ac Storage= 3.054 af (0.563 af above start) Plug-Flow detention time= (not calculated: initial storage exceeds outflow) Center-of-Mass det. time= 336.8 min ( 1,152.7 - 815.9 ) Volume Invert Avail.Storage Storage Description #1 869.00' 5.535 af Custom Stage Data (Prismatic) Listed below (Recalc) MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 98HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Elevation Surf.Area Inc.Store Cum.Store (feet) (acres) (acre-feet) (acre-feet) 869.00 0.163 0.000 0.000 870.00 0.213 0.188 0.188 871.00 0.264 0.239 0.427 872.00 0.317 0.290 0.717 873.00 0.370 0.343 1.061 874.00 0.425 0.397 1.458 875.00 0.481 0.453 1.911 876.00 0.678 0.579 2.491 877.00 0.719 0.698 3.189 878.00 0.761 0.740 3.929 879.00 0.803 0.782 4.711 880.00 0.846 0.824 5.535 Device Routing Invert Outlet Devices #1 Primary 876.00'21.0" Round Culvert L= 50.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0800 '/' Cc= 0.900 n= 0.013, Flow Area= 2.41 sf #2 Primary 879.00'10.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=3.34 cfs @ 12.88 hrs HW=876.81' TW=874.98' (Dynamic Tailwater) 1=Culvert (Inlet Controls 3.34 cfs @ 3.07 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond IB-2: IB-2 Inflow Area = 6.318 ac, 25.47% Impervious, Inflow Depth = 0.86" for NURP/1 year event Inflow = 7.65 cfs @ 12.15 hrs, Volume= 0.451 af Outflow = 0.48 cfs @ 13.53 hrs, Volume= 0.451 af, Atten= 94%, Lag= 82.6 min Discarded = 0.02 cfs @ 13.53 hrs, Volume= 0.088 af Primary = 0.46 cfs @ 13.53 hrs, Volume= 0.363 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 892.62' @ 13.53 hrs Surf.Area= 15,482 sf Storage= 12,124 cf Plug-Flow detention time= 704.0 min calculated for 0.451 af (100% of inflow) Center-of-Mass det. time= 704.0 min ( 1,494.7 - 790.7 ) MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 99HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Volume Invert Avail.Storage Storage Description #1 891.00' 1,453 cf Infiltration Volume (D soils) (Prismatic) Listed below (Recalc) #2 891.24' 44,087 cf Live Storage (Prismatic) Listed below (Recalc) #3 890.00' 277 cf Forebay 1 (Prismatic) Listed below (Recalc) #4 890.00' 250 cf Forebay 2 (Prismatic) Listed below (Recalc) 46,066 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.00 5,475 0 0 891.24 6,632 1,453 1,453 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.24 6,632 0 0 892.00 7,418 5,339 5,339 894.00 9,630 17,048 22,387 896.00 12,070 21,700 44,087 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 160 0 0 891.00 393 277 277 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 146 0 0 891.00 354 250 250 Device Routing Invert Outlet Devices #1 Primary 886.70'12.0" Round 12" Outlet Pipe L= 87.4' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 886.70' / 886.00' S= 0.0080 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 0.79 sf #2 Discarded 890.00'0.060 in/hr Infiltration (D Soils) over Surface area Phase-In= 0.01' #3 Device 1 891.24'4.0" Vert. 4" Orifice C= 0.600 Limited to weir flow at low heads #4 Device 1 893.80'4.0' long x 0.5' breadth Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.02 cfs @ 13.53 hrs HW=892.62' (Free Discharge) 2=Infiltration (D Soils) (Exfiltration Controls 0.02 cfs) Primary OutFlow Max=0.46 cfs @ 13.53 hrs HW=892.62' TW=879.07' (Dynamic Tailwater) 1=12" Outlet Pipe (Passes 0.46 cfs of 7.52 cfs potential flow) 3=4" Orifice (Orifice Controls 0.46 cfs @ 5.30 fps) 4=Weir ( Controls 0.00 cfs) MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 100HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond W-2: Wetland 2 Erhart Farm Inflow Area = 83.145 ac, 18.63% Impervious, Inflow Depth = 0.94" for NURP/1 year event Inflow = 17.73 cfs @ 12.26 hrs, Volume= 6.484 af Outflow = 12.57 cfs @ 12.50 hrs, Volume= 6.484 af, Atten= 29%, Lag= 14.6 min Primary = 12.57 cfs @ 12.50 hrs, Volume= 6.484 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 879.11' @ 12.50 hrs Surf.Area= 141,810 sf Storage= 14,356 cf Plug-Flow detention time= 41.5 min calculated for 6.484 af (100% of inflow) Center-of-Mass det. time= 40.4 min ( 1,740.3 - 1,699.9 ) Volume Invert Avail.Storage Storage Description #1 879.00' 180,180 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.00 131,609 0 0 880.00 228,751 180,180 180,180 Device Routing Invert Outlet Devices #1 Primary 879.00'148.4' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=12.57 cfs @ 12.50 hrs HW=879.11' TW=874.90' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 12.57 cfs @ 0.81 fps) Summary for Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Area = 172.739 ac, 19.26% Impervious, Inflow Depth = 0.90" for NURP/1 year event Inflow = 63.92 cfs @ 12.16 hrs, Volume= 12.901 af Outflow = 2.70 cfs @ 23.58 hrs, Volume= 12.798 af, Atten= 96%, Lag= 685.0 min Primary = 2.70 cfs @ 23.58 hrs, Volume= 12.798 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 875.21' @ 23.58 hrs Surf.Area= 817,326 sf Storage= 359,260 cf Plug-Flow detention time= 2,774.0 min calculated for 12.797 af (99% of inflow) Center-of-Mass det. time= 2,675.0 min ( 3,990.8 - 1,315.9 ) Volume Invert Avail.Storage Storage Description #1 874.63' 5,386,618 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 874.63 225,955 0 0 875.00 791,747 188,275 188,275 876.00 912,103 851,925 1,040,200 880.00 1,261,106 4,346,418 5,386,618 MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 101HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 874.63'28.5" W x 18.0" H, R=14.8"/40.7" Pipe Arch RCP_Arch 29x18 L= 187.0' Ke= 0.500 Inlet / Outlet Invert= 874.63' / 872.83' S= 0.0096 '/' Cc= 0.900 n= 0.013, Flow Area= 2.79 sf Primary OutFlow Max=2.70 cfs @ 23.58 hrs HW=875.21' (Free Discharge) 1=RCP_Arch 29x18 (Inlet Controls 2.70 cfs @ 2.30 fps) Summary for Pond W-3A: Wetland 3A Inflow Area = 64.146 ac, 16.52% Impervious, Inflow Depth = 0.94" for NURP/1 year event Inflow = 6.41 cfs @ 12.60 hrs, Volume= 5.048 af Outflow = 6.38 cfs @ 12.65 hrs, Volume= 5.048 af, Atten= 0%, Lag= 3.4 min Primary = 6.38 cfs @ 12.65 hrs, Volume= 5.048 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 892.80' @ 12.65 hrs Surf.Area= 2,774 sf Storage= 1,748 cf Plug-Flow detention time= 12.4 min calculated for 5.048 af (100% of inflow) Center-of-Mass det. time= 11.4 min ( 1,936.2 - 1,924.9 ) Volume Invert Avail.Storage Storage Description #1 892.00' 35,594 cf Wetland 3A (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 892.00 1,570 0 0 894.00 4,562 6,132 6,132 896.00 7,450 12,012 18,144 898.00 10,000 17,450 35,594 Device Routing Invert Outlet Devices #1 Device 2 892.00'42.0" Round 42" Culvert L= 40.9' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 892.00' / 889.00' S= 0.0733 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf #2 Primary 885.50'42.0" Round 42" Culvert L= 70.5' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 885.50' / 885.20' S= 0.0043 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf Primary OutFlow Max=6.38 cfs @ 12.65 hrs HW=892.80' TW=879.10' (Dynamic Tailwater) 2=42" Culvert (Passes 6.38 cfs of 123.03 cfs potential flow) 1=42" Culvert (Inlet Controls 6.38 cfs @ 3.82 fps) MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 102HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond W-4: Wetland 4 Inflow Area = 64.146 ac, 16.52% Impervious, Inflow Depth = 0.94" for NURP/1 year event Inflow = 35.26 cfs @ 12.18 hrs, Volume= 5.049 af Outflow = 6.41 cfs @ 12.60 hrs, Volume= 5.048 af, Atten= 82%, Lag= 25.2 min Primary = 6.41 cfs @ 12.60 hrs, Volume= 5.048 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-600.00 hrs, dt= 0.01 hrs Peak Elev= 894.20' @ 12.60 hrs Surf.Area= 206,863 sf Storage= 41,557 cf Plug-Flow detention time= 218.6 min calculated for 5.048 af (100% of inflow) Center-of-Mass det. time= 212.8 min ( 1,924.9 - 1,712.1 ) Volume Invert Avail.Storage Storage Description #1 894.00' 441,167 cf Wetland 4 (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 894.00 203,377 0 0 896.00 237,790 441,167 441,167 Device Routing Invert Outlet Devices #1 Primary 894.00'30.0' long x 5.0' breadth Natural Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=6.41 cfs @ 12.60 hrs HW=894.20' TW=892.80' (Dynamic Tailwater) 1=Natural Weir (Weir Controls 6.41 cfs @ 1.05 fps) Table of Contents20090pdrn Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC TABLE OF CONTENTS Project Reports 1 Routing Diagram 2 Rainfall Events Listing (selected events) 3 Area Listing (selected nodes) 4 Soil Listing (selected nodes) 2-Year Event 5 Node Listing 8 Subcat 1S: 1S 9 Subcat 2S: 2S 9 Subcat 3S: 3S 10 Subcat 4S: Disturbed Area for Haul Road 10 Subcat 5S: 5S 11 Subcat 8S: Wetland 11 Subcat 18S: Area - B3 (PERV) 11 Subcat 19S: Area - C2 (PERV) 12 Subcat 20S: Area - C2 (IMP) 12 Subcat 27S: Area - C3 12 Subcat 47S: Area - B3 (IMP) 13 Subcat 48S: Area - B4 13 Subcat D-3A: Direct Runoff to IB2 14 Subcat D-3B: Runoff to IB2 14 Subcat D-3C: Runoff to IB2 14 Subcat D-W2: Runoff to W2 15 Subcat DW-3: Wetland 3 15 Subcat E-1: Wetland 1 Tributary Area 15 Subcat OFF-1: SOUTH OFFSITE 16 Subcat OFF-2: OFF-2 16 Subcat OFF-IB2: Offiste Runoff to IB2 17 Subcat SW: SW Waterbody (undelineated water body) 17 Subcat W4: Wetland 4 Runoff 17 Pond 1P: Pond 19 Pond 2P: Filtration adjacent to Wetland 2 20 Pond 3P: Wetland 1 21 Pond 4P: Infiltration Basin 22 Pond 5P: Disturbed Treatment Area 23 Pond 6P: SW Waterbody (undelineated water body) 23 Pond 7P: Undelineated Wetland 24 Pond 17P: POND1 25 Pond 25P: POND2 26 Pond IB-2: IB-2 27 Pond W-2: Wetland 2 Erhart Farm 27 Pond W-3: Wetland 3 (Wetland C from TH 101) 28 Pond W-3A: Wetland 3A 29 Pond W-4: Wetland 4 Table of Contents20090pdrn Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC 10-Year Event 29 Node Listing 32 Subcat 1S: 1S 33 Subcat 2S: 2S 33 Subcat 3S: 3S 34 Subcat 4S: Disturbed Area for Haul Road 34 Subcat 5S: 5S 35 Subcat 8S: Wetland 35 Subcat 18S: Area - B3 (PERV) 35 Subcat 19S: Area - C2 (PERV) 36 Subcat 20S: Area - C2 (IMP) 36 Subcat 27S: Area - C3 36 Subcat 47S: Area - B3 (IMP) 37 Subcat 48S: Area - B4 37 Subcat D-3A: Direct Runoff to IB2 38 Subcat D-3B: Runoff to IB2 38 Subcat D-3C: Runoff to IB2 38 Subcat D-W2: Runoff to W2 39 Subcat DW-3: Wetland 3 39 Subcat E-1: Wetland 1 Tributary Area 39 Subcat OFF-1: SOUTH OFFSITE 40 Subcat OFF-2: OFF-2 40 Subcat OFF-IB2: Offiste Runoff to IB2 41 Subcat SW: SW Waterbody (undelineated water body) 41 Subcat W4: Wetland 4 Runoff 41 Pond 1P: Pond 43 Pond 2P: Filtration adjacent to Wetland 2 44 Pond 3P: Wetland 1 45 Pond 4P: Infiltration Basin 46 Pond 5P: Disturbed Treatment Area 47 Pond 6P: SW Waterbody (undelineated water body) 47 Pond 7P: Undelineated Wetland 48 Pond 17P: POND1 49 Pond 25P: POND2 50 Pond IB-2: IB-2 51 Pond W-2: Wetland 2 Erhart Farm 51 Pond W-3: Wetland 3 (Wetland C from TH 101) 52 Pond W-3A: Wetland 3A 53 Pond W-4: Wetland 4 100-Year Event 53 Node Listing 56 Subcat 1S: 1S 57 Subcat 2S: 2S 57 Subcat 3S: 3S 58 Subcat 4S: Disturbed Area for Haul Road 58 Subcat 5S: 5S 59 Subcat 8S: Wetland Table of Contents20090pdrn Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC 59 Subcat 18S: Area - B3 (PERV) 59 Subcat 19S: Area - C2 (PERV) 60 Subcat 20S: Area - C2 (IMP) 60 Subcat 27S: Area - C3 60 Subcat 47S: Area - B3 (IMP) 61 Subcat 48S: Area - B4 61 Subcat D-3A: Direct Runoff to IB2 62 Subcat D-3B: Runoff to IB2 62 Subcat D-3C: Runoff to IB2 62 Subcat D-W2: Runoff to W2 63 Subcat DW-3: Wetland 3 63 Subcat E-1: Wetland 1 Tributary Area 63 Subcat OFF-1: SOUTH OFFSITE 64 Subcat OFF-2: OFF-2 64 Subcat OFF-IB2: Offiste Runoff to IB2 65 Subcat SW: SW Waterbody (undelineated water body) 65 Subcat W4: Wetland 4 Runoff 65 Pond 1P: Pond 67 Pond 2P: Filtration adjacent to Wetland 2 68 Pond 3P: Wetland 1 69 Pond 4P: Infiltration Basin 70 Pond 5P: Disturbed Treatment Area 71 Pond 6P: SW Waterbody (undelineated water body) 71 Pond 7P: Undelineated Wetland 72 Pond 17P: POND1 73 Pond 25P: POND2 74 Pond IB-2: IB-2 75 Pond W-2: Wetland 2 Erhart Farm 76 Pond W-3: Wetland 3 (Wetland C from TH 101) 77 Pond W-3A: Wetland 3A 77 Pond W-4: Wetland 4 NURP/1 year Event 78 Node Listing 81 Subcat 1S: 1S 82 Subcat 2S: 2S 82 Subcat 3S: 3S 83 Subcat 4S: Disturbed Area for Haul Road 83 Subcat 5S: 5S 84 Subcat 8S: Wetland 84 Subcat 18S: Area - B3 (PERV) 84 Subcat 19S: Area - C2 (PERV) 85 Subcat 20S: Area - C2 (IMP) 85 Subcat 27S: Area - C3 85 Subcat 47S: Area - B3 (IMP) 86 Subcat 48S: Area - B4 86 Subcat D-3A: Direct Runoff to IB2 87 Subcat D-3B: Runoff to IB2 Table of Contents20090pdrn Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC 87 Subcat D-3C: Runoff to IB2 87 Subcat D-W2: Runoff to W2 88 Subcat DW-3: Wetland 3 88 Subcat E-1: Wetland 1 Tributary Area 88 Subcat OFF-1: SOUTH OFFSITE 89 Subcat OFF-2: OFF-2 89 Subcat OFF-IB2: Offiste Runoff to IB2 90 Subcat SW: SW Waterbody (undelineated water body) 90 Subcat W4: Wetland 4 Runoff 90 Pond 1P: Pond 92 Pond 2P: Filtration adjacent to Wetland 2 93 Pond 3P: Wetland 1 94 Pond 4P: Infiltration Basin 95 Pond 5P: Disturbed Treatment Area 96 Pond 6P: SW Waterbody (undelineated water body) 96 Pond 7P: Undelineated Wetland 97 Pond 17P: POND1 98 Pond 25P: POND2 99 Pond IB-2: IB-2 100 Pond W-2: Wetland 2 Erhart Farm 101 Pond W-3: Wetland 3 (Wetland C from TH 101) 102 Pond W-3A: Wetland 3A 102 Pond W-4: Wetland 4 1S 1S 2S 2S 3S 3S 4S Disturbed Area for Haul Road 5S 5S8S Wetland 18S Area - B3 (PERV) 19S Area - C2 (PERV)20S Area - C2 (IMP) 27S Area - C3 47S Area - B3 (IMP) 48S Area - B4 D-3A Direct Runoff to IB2 D-3B Runoff to IB2 D-3C Runoff to IB2 D-W2 Runoff to W2 DW-3 Wetland 3 E-1 Wetland 1 Tributary Area OFF-1 SOUTH OFFSITE OFF-2 OFF-2 OFF-IB2 Offiste Runoff to IB2 SW SW Waterbody (undelineated water body) W4 Wetland 4 Runoff 1P Pond 2P Filtration adjacent to Wetland 2 3P Wetland 1 4P Infiltration Basin 5P Disturbed Treatment Area 6P SW Waterbody (undelineated water body) 7P Undelineated Wetland 17P POND1 25P POND2 IB-2 IB-2 W-2 Wetland 2 Erhart Farm W-3 Wetland 3 (Wetland C from TH 101) W-3A Wetland 3A W-4 Wetland 4 Routing Diagram for 20090pdrn Prepared by {enter your company name here}, Printed 9/28/2021 HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcat Reach Pond Link 20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 2HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Rainfall Events Listing (selected events) Event# Event Name Storm Type Curve Mode Duration (hours) B/B Depth (inches) AMC 1 2-Year MSE 24-hr 3 Default 24.00 1 2.87 2 2 10-Year MSE 24-hr 3 Default 24.00 1 4.26 2 3 100-Year MSE 24-hr 3 Default 24.00 1 7.38 2 4 NURP/1 year MSE 24-hr 3 Default 24.00 1 2.50 2 MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 3HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 1S: 1S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=21.165 ac Runoff Volume=2.827 af Runoff Depth=1.60" Flow Length=160' Slope=0.0200 '/' Tc=11.8 min CN=WQ 46.75 cfs Subcatchment 2S: 2S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.748 ac Runoff Volume=0.066 af Runoff Depth=1.05" Flow Length=194' Tc=3.9 min CN=WQ 1.62 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 4HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 3S: 3S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=4.232 ac Runoff Volume=0.469 af Runoff Depth=1.33" Flow Length=165' Slope=0.0634 '/' Tc=2.8 min UI Adjusted CN=WQ 11.61 cfs Subcatchment 4S: Disturbed Area for Haul Road Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.547 ac Runoff Volume=0.064 af Runoff Depth=1.41" Flow Length=266' Tc=10.2 min CN=84 1.19 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 5HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 5S: 5S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.497 ac Runoff Volume=0.058 af Runoff Depth=1.41" Flow Length=194' Tc=3.9 min CN=84 1.44 cfs Subcatchment 8S: Wetland Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=7.704 ac Runoff Volume=0.736 af Runoff Depth=1.15" Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ 16.34 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 6HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 18S: Area - B3 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=3.710 ac Runoff Volume=0.138 af Runoff Depth=0.45" Tc=20.0 min CN=65 1.39 cfs Subcatchment 19S: Area - C2 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)8 7 6 5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=19.593 ac Runoff Volume=0.731 af Runoff Depth=0.45" Tc=20.0 min CN=65 7.32 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 7HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 20S: Area - C2 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=3.285 ac Runoff Volume=0.722 af Runoff Depth=2.64" Tc=20.0 min CN=98 8.79 cfs Subcatchment 27S: Area - C3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=1.285 ac Runoff Volume=0.172 af Runoff Depth=1.60" Tc=5.0 min CN=WQ 3.41 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 8HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 47S: Area - B3 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=3.962 ac Runoff Volume=0.871 af Runoff Depth=2.64" Tc=20.0 min CN=WQ 10.60 cfs Subcatchment 48S: Area - B4 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.792 ac Runoff Volume=0.090 af Runoff Depth=1.36" Tc=5.0 min CN=WQ 1.78 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 9HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-3A: Direct Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=1.176 ac Runoff Volume=0.092 af Runoff Depth=0.94" Tc=5.0 min CN=WQ 2.06 cfs Subcatchment D-3B: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=1.414 ac Runoff Volume=0.184 af Runoff Depth=1.56" Tc=9.5 min CN=WQ 3.12 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 10HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-3C: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=1.658 ac Runoff Volume=0.252 af Runoff Depth=1.82" Tc=8.2 min CN=WQ 4.54 cfs Subcatchment D-W2: Runoff to W2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=11.436 ac Runoff Volume=1.228 af Runoff Depth=1.29" Flow Length=590' Tc=14.9 min CN=WQ 17.09 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 11HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment DW-3: Wetland 3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=19.612 ac Runoff Volume=2.484 af Runoff Depth=1.52" Tc=8.0 min CN=WQ 46.97 cfs Subcatchment E-1: Wetland 1 Tributary Area Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.302 ac Runoff Volume=0.025 af Runoff Depth=0.98" Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 0.59 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 12HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment OFF-1: SOUTH OFFSITE Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=1.032 ac Runoff Volume=0.115 af Runoff Depth=1.33" Flow Length=433' Slope=0.0276 '/' Tc=9.2 min CN=WQ 2.15 cfs Subcatchment OFF-2: OFF-2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=462,782 sf Runoff Volume=1.191 af Runoff Depth=1.35" Flow Length=647' Slope=0.0340 '/' Tc=11.4 min CN=WQ 20.25 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 13HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=2.070 ac Runoff Volume=0.034 af Runoff Depth=0.20" Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ 0.19 cfs Subcatchment SW: SW Waterbody (undelineated water body) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=35.775 ac Runoff Volume=4.486 af Runoff Depth=1.50" Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ 84.91 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 14HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment W4: Wetland 4 Runoff Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=20.120 ac Runoff Volume=2.476 af Runoff Depth=1.48" Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ 44.03 cfs Pond 1P: Pond Inflow Outflow Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=22.499 ac Peak Elev=883.09' Storage=84,896 cf 48.78 cfs 37.87 cfs37.87 cfs 0.00 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 15HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 2P: Filtration adjacent to Wetland 2 Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)1 0 Inflow Area=0.497 ac Peak Elev=882.00' Storage=1,024 cf 1.44 cfs 0.86 cfs 0.00 cfs0.03 cfs 0.83 cfs Pond 3P: Wetland 1 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=0.302 ac Peak Elev=904.85' Storage=875 cf 0.59 cfs 0.01 cfs0.01 cfs0.00 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 16HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 4P: Infiltration Basin Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=22.499 ac Peak Elev=882.55' Storage=39,117 cf 37.87 cfs 22.12 cfs 1.15 cfs 20.97 cfs 0.00 cfs Pond 5P: Disturbed Treatment Area Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)1 0 Inflow Area=0.547 ac Peak Elev=905.20' Storage=1,942 cf 1.19 cfs 0.03 cfs0.03 cfs0.00 cfs0.00 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 17HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 6P: SW Waterbody (undelineated water body) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=35.775 ac Peak Elev=900.61' Storage=142,469 cf 84.91 cfs 2.33 cfs Pond 7P: Undelineated Wetland Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=43.479 ac Peak Elev=896.27' Storage=30,538 cf 16.69 cfs 2.83 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 18HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 17P: POND1 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=8.464 ac Peak Elev=877.19' Storage=75,539 cf 12.36 cfs 5.57 cfs Pond 25P: POND2 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=24.163 ac Peak Elev=877.01' Storage=3.196 af 16.50 cfs 4.92 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 19HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond IB-2: IB-2 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)10 9 8 7 6 5 4 3 2 1 0 Inflow Area=6.318 ac Peak Elev=893.00' Storage=15,293 cf 9.45 cfs 0.55 cfs 0.02 cfs 0.53 cfs Pond W-2: Wetland 2 Erhart Farm Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=83.145 ac Peak Elev=879.13' Storage=17,639 cf 23.26 cfs 16.92 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 20HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=172.739 ac Peak Elev=875.34' Storage=461,822 cf 28.5" x 18.0" R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' 80.71 cfs 3.75 cfs Pond W-3A: Wetland 3A Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)9 8 7 6 5 4 3 2 1 0 Inflow Area=64.146 ac Peak Elev=892.95' Storage=2,161 cf 8.76 cfs8.72 cfs MSE 24-hr 3 2-Year Rainfall=2.87"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 21HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-4: Wetland 4 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=64.146 ac Peak Elev=894.25' Storage=50,773 cf 44.03 cfs 8.76 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 22HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 1S: 1S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=21.165 ac Runoff Volume=4.951 af Runoff Depth=2.81" Flow Length=160' Slope=0.0200 '/' Tc=11.8 min CN=WQ 81.90 cfs Subcatchment 2S: 2S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.748 ac Runoff Volume=0.132 af Runoff Depth=2.12" Flow Length=194' Tc=3.9 min CN=WQ 3.23 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 23HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 3S: 3S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=4.232 ac Runoff Volume=0.869 af Runoff Depth=2.47" Flow Length=165' Slope=0.0634 '/' Tc=2.8 min UI Adjusted CN=WQ 21.25 cfs Subcatchment 4S: Disturbed Area for Haul Road Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.547 ac Runoff Volume=0.119 af Runoff Depth=2.60" Flow Length=266' Tc=10.2 min CN=84 2.18 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 24HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 5S: 5S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.497 ac Runoff Volume=0.108 af Runoff Depth=2.60" Flow Length=194' Tc=3.9 min CN=84 2.58 cfs Subcatchment 8S: Wetland Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=7.704 ac Runoff Volume=1.430 af Runoff Depth=2.23" Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ 31.91 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 25HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 18S: Area - B3 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=3.710 ac Runoff Volume=0.366 af Runoff Depth=1.18" Tc=20.0 min CN=65 4.54 cfs Subcatchment 19S: Area - C2 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=19.593 ac Runoff Volume=1.931 af Runoff Depth=1.18" Tc=20.0 min CN=65 23.98 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 26HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 20S: Area - C2 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=3.285 ac Runoff Volume=1.102 af Runoff Depth=4.02" Tc=20.0 min CN=98 13.16 cfs Subcatchment 27S: Area - C3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)6 5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=1.285 ac Runoff Volume=0.287 af Runoff Depth=2.68" Tc=5.0 min CN=WQ 5.82 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 27HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 47S: Area - B3 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=3.962 ac Runoff Volume=1.329 af Runoff Depth=4.02" Tc=20.0 min CN=WQ 15.87 cfs Subcatchment 48S: Area - B4 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.792 ac Runoff Volume=0.156 af Runoff Depth=2.37" Tc=5.0 min CN=WQ 3.21 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 28HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-3A: Direct Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=1.176 ac Runoff Volume=0.188 af Runoff Depth=1.92" Tc=5.0 min CN=WQ 4.33 cfs Subcatchment D-3B: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)6 5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=1.414 ac Runoff Volume=0.315 af Runoff Depth=2.67" Tc=9.5 min CN=WQ 5.44 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 29HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-3C: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)8 7 6 5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=1.658 ac Runoff Volume=0.417 af Runoff Depth=3.02" Tc=8.2 min CN=WQ 7.56 cfs Subcatchment D-W2: Runoff to W2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=11.436 ac Runoff Volume=2.215 af Runoff Depth=2.32" Flow Length=590' Tc=14.9 min CN=WQ 31.83 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 30HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment DW-3: Wetland 3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=19.612 ac Runoff Volume=4.376 af Runoff Depth=2.68" Tc=8.0 min CN=WQ 83.46 cfs Subcatchment E-1: Wetland 1 Tributary Area Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.302 ac Runoff Volume=0.051 af Runoff Depth=2.02" Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 1.21 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 31HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment OFF-1: SOUTH OFFSITE Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=1.032 ac Runoff Volume=0.212 af Runoff Depth=2.47" Flow Length=433' Slope=0.0276 '/' Tc=9.2 min CN=WQ 4.01 cfs Subcatchment OFF-2: OFF-2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=462,782 sf Runoff Volume=2.202 af Runoff Depth=2.49" Flow Length=647' Slope=0.0340 '/' Tc=11.4 min CN=WQ 37.74 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 32HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=2.070 ac Runoff Volume=0.123 af Runoff Depth=0.71" Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ 1.21 cfs Subcatchment SW: SW Waterbody (undelineated water body) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=35.775 ac Runoff Volume=8.030 af Runoff Depth=2.69" Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ 151.66 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 33HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment W4: Wetland 4 Runoff Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=20.120 ac Runoff Volume=4.420 af Runoff Depth=2.64" Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ 79.17 cfs Pond 1P: Pond Inflow Outflow Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=22.499 ac Peak Elev=884.00' Storage=104,165 cf 85.69 cfs 51.02 cfs51.02 cfs 0.00 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 34HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 2P: Filtration adjacent to Wetland 2 Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)2 1 0 Inflow Area=0.497 ac Peak Elev=882.01' Storage=1,043 cf 2.58 cfs2.58 cfs 0.00 cfs0.03 cfs 2.55 cfs Pond 3P: Wetland 1 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)1 0 Inflow Area=0.302 ac Peak Elev=905.13' Storage=1,968 cf 1.21 cfs 0.01 cfs0.01 cfs0.00 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 35HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 4P: Infiltration Basin Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=22.499 ac Peak Elev=883.21' Storage=53,610 cf 51.02 cfs 34.60 cfs 1.19 cfs 33.41 cfs 0.00 cfs Pond 5P: Disturbed Treatment Area Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)2 1 0 Inflow Area=0.547 ac Peak Elev=905.52' Storage=2,962 cf 2.18 cfs 0.22 cfs 0.03 cfs 0.19 cfs 0.00 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 36HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 6P: SW Waterbody (undelineated water body) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Inflow Area=35.775 ac Peak Elev=900.98' Storage=246,761 cf 151.66 cfs 5.72 cfs Pond 7P: Undelineated Wetland Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=43.479 ac Peak Elev=896.48' Storage=35,694 cf 33.40 cfs 8.97 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 37HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 17P: POND1 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=8.464 ac Peak Elev=877.83' Storage=86,544 cf 21.22 cfs 8.85 cfs Pond 25P: POND2 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=24.163 ac Peak Elev=877.92' Storage=3.865 af 38.34 cfs 11.81 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 38HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond IB-2: IB-2 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=6.318 ac Peak Elev=894.09' Storage=25,256 cf 17.03 cfs 2.51 cfs 0.02 cfs 2.49 cfs Pond W-2: Wetland 2 Erhart Farm Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=83.145 ac Peak Elev=879.22' Storage=31,258 cf 47.36 cfs 38.16 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 39HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Inflow Area=172.739 ac Peak Elev=875.83' Storage=888,058 cf 28.5" x 18.0" R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' 169.20 cfs 8.66 cfs Pond W-3A: Wetland 3A Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=64.146 ac Peak Elev=893.59' Storage=4,387 cf 22.88 cfs22.81 cfs MSE 24-hr 3 10-Year Rainfall=4.26"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 40HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-4: Wetland 4 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=64.146 ac Peak Elev=894.45' Storage=92,736 cf 79.45 cfs 22.88 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 41HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 1S: 1S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=21.165 ac Runoff Volume=10.079 af Runoff Depth=5.71" Flow Length=160' Slope=0.0200 '/' Tc=11.8 min CN=WQ 163.80 cfs Subcatchment 2S: 2S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.748 ac Runoff Volume=0.302 af Runoff Depth=4.84" Flow Length=194' Tc=3.9 min CN=WQ 7.12 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 42HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 3S: 3S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=4.232 ac Runoff Volume=1.864 af Runoff Depth=5.29" Flow Length=165' Slope=0.0634 '/' Tc=2.8 min UI Adjusted CN=WQ 43.94 cfs Subcatchment 4S: Disturbed Area for Haul Road Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.547 ac Runoff Volume=0.251 af Runoff Depth=5.50" Flow Length=266' Tc=10.2 min CN=84 4.47 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 43HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 5S: 5S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.497 ac Runoff Volume=0.228 af Runoff Depth=5.50" Flow Length=194' Tc=3.9 min CN=84 5.21 cfs Subcatchment 8S: Wetland Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=7.704 ac Runoff Volume=3.195 af Runoff Depth=4.98" Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ 69.69 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 44HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 18S: Area - B3 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=3.710 ac Runoff Volume=1.051 af Runoff Depth=3.40" Tc=20.0 min CN=65 14.04 cfs Subcatchment 19S: Area - C2 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=19.593 ac Runoff Volume=5.550 af Runoff Depth=3.40" Tc=20.0 min CN=65 74.16 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 45HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 20S: Area - C2 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=3.285 ac Runoff Volume=1.955 af Runoff Depth=7.14" Tc=20.0 min CN=98 22.93 cfs Subcatchment 27S: Area - C3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=1.285 ac Runoff Volume=0.575 af Runoff Depth=5.37" Tc=5.0 min CN=WQ 11.80 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 46HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 47S: Area - B3 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=3.962 ac Runoff Volume=2.358 af Runoff Depth=7.14" Tc=20.0 min CN=WQ 27.66 cfs Subcatchment 48S: Area - B4 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.792 ac Runoff Volume=0.327 af Runoff Depth=4.96" Tc=5.0 min CN=WQ 6.85 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 47HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-3A: Direct Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=1.176 ac Runoff Volume=0.444 af Runoff Depth=4.53" Tc=5.0 min CN=WQ 10.05 cfs Subcatchment D-3B: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=1.414 ac Runoff Volume=0.640 af Runoff Depth=5.43" Tc=9.5 min CN=WQ 11.12 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 48HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-3C: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=1.658 ac Runoff Volume=0.814 af Runoff Depth=5.89" Tc=8.2 min CN=WQ 14.71 cfs Subcatchment D-W2: Runoff to W2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=11.436 ac Runoff Volume=4.741 af Runoff Depth=4.97" Flow Length=590' Tc=14.9 min CN=WQ 69.17 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 49HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment DW-3: Wetland 3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=19.612 ac Runoff Volume=9.022 af Runoff Depth=5.52" Tc=8.0 min CN=WQ 170.39 cfs Subcatchment E-1: Wetland 1 Tributary Area Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.302 ac Runoff Volume=0.119 af Runoff Depth=4.71" Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 2.74 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 50HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment OFF-1: SOUTH OFFSITE Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=1.032 ac Runoff Volume=0.456 af Runoff Depth=5.30" Flow Length=433' Slope=0.0276 '/' Tc=9.2 min CN=WQ 8.44 cfs Subcatchment OFF-2: OFF-2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=462,782 sf Runoff Volume=4.707 af Runoff Depth=5.32" Flow Length=647' Slope=0.0340 '/' Tc=11.4 min CN=WQ 79.47 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 51HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=2.070 ac Runoff Volume=0.434 af Runoff Depth=2.51" Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ 5.33 cfs Subcatchment SW: SW Waterbody (undelineated water body) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)340 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=35.775 ac Runoff Volume=16.650 af Runoff Depth=5.58" Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ 307.48 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 52HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment W4: Wetland 4 Runoff Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=20.120 ac Runoff Volume=9.197 af Runoff Depth=5.49" Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ 162.59 cfs Pond 1P: Pond Inflow Outflow Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Inflow Area=22.499 ac Peak Elev=885.50' Storage=140,097 cf 171.79 cfs 162.55 cfs 53.98 cfs 131.99 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 53HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 2P: Filtration adjacent to Wetland 2 Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)5 4 3 2 1 0 Inflow Area=0.497 ac Peak Elev=882.03' Storage=1,065 cf 5.21 cfs5.22 cfs 0.00 cfs0.03 cfs 5.18 cfs Pond 3P: Wetland 1 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)3 2 1 0 Inflow Area=0.302 ac Peak Elev=905.37' Storage=3,060 cf 2.74 cfs 0.40 cfs 0.01 cfs 0.39 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 54HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 4P: Infiltration Basin Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Inflow Area=22.499 ac Peak Elev=885.50' Storage=112,238 cf 162.55 cfs 43.42 cfs 1.35 cfs 42.07 cfs 0.00 cfs Pond 5P: Disturbed Treatment Area Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)5 4 3 2 1 0 Inflow Area=0.547 ac Peak Elev=906.06' Storage=4,776 cf 4.47 cfs 2.71 cfs 0.03 cfs 0.71 cfs 1.97 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 55HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 6P: SW Waterbody (undelineated water body) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)340 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 0 Inflow Area=35.775 ac Peak Elev=901.85' Storage=496,160 cf 307.48 cfs 16.77 cfs Pond 7P: Undelineated Wetland Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=43.479 ac Peak Elev=897.30' Storage=56,110 cf 75.73 cfs 48.28 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 56HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 17P: POND1 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=8.464 ac Peak Elev=879.54' Storage=119,315 cf 43.56 cfs 14.38 cfs Pond 25P: POND2 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)110 105 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=24.163 ac Peak Elev=880.22' Storage=5.535 af 100.24 cfs 56.98 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 57HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond IB-2: IB-2 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=6.318 ac Peak Elev=895.93' Storage=45,202 cf 37.02 cfs 9.51 cfs 0.03 cfs 9.48 cfs Pond W-2: Wetland 2 Erhart Farm Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Inflow Area=83.145 ac Peak Elev=879.43' Storage=65,720 cf 128.71 cfs 108.35 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 58HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)400 380 360 340 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 0 Inflow Area=172.739 ac Peak Elev=877.10' Storage=2,093,448 cf 28.5" x 18.0" R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' 374.58 cfs 17.80 cfs Pond W-3A: Wetland 3A Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=64.146 ac Peak Elev=894.76' Storage=10,017 cf 57.66 cfs57.54 cfs MSE 24-hr 3 100-Year Rainfall=7.38"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 59HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-4: Wetland 4 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Inflow Area=64.146 ac Peak Elev=895.03' Storage=219,464 cf 210.14 cfs 57.66 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 60HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 1S: 1S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=21.165 ac Runoff Volume=2.297 af Runoff Depth=1.30" Flow Length=160' Slope=0.0200 '/' Tc=11.8 min CN=WQ 37.83 cfs Subcatchment 2S: 2S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=0.748 ac Runoff Volume=0.050 af Runoff Depth=0.80" Flow Length=194' Tc=3.9 min CN=WQ 1.23 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 61HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 3S: 3S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=4.232 ac Runoff Volume=0.372 af Runoff Depth=1.05" Flow Length=165' Slope=0.0634 '/' Tc=2.8 min UI Adjusted CN=WQ 9.19 cfs Subcatchment 4S: Disturbed Area for Haul Road Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=0.547 ac Runoff Volume=0.051 af Runoff Depth=1.12" Flow Length=266' Tc=10.2 min CN=84 0.94 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 62HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 5S: 5S Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=0.497 ac Runoff Volume=0.046 af Runoff Depth=1.12" Flow Length=194' Tc=3.9 min CN=84 1.14 cfs Subcatchment 8S: Wetland Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=7.704 ac Runoff Volume=0.571 af Runoff Depth=0.89" Flow Length=335' Slope=0.0596 '/' Tc=5.6 min CN=WQ 12.54 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 63HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 18S: Area - B3 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)0.85 0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=3.710 ac Runoff Volume=0.092 af Runoff Depth=0.30" Tc=20.0 min CN=65 0.79 cfs Subcatchment 19S: Area - C2 (PERV) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=19.593 ac Runoff Volume=0.486 af Runoff Depth=0.30" Tc=20.0 min CN=65 4.15 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 64HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 20S: Area - C2 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)8 7 6 5 4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=3.285 ac Runoff Volume=0.622 af Runoff Depth=2.27" Tc=20.0 min CN=98 7.62 cfs Subcatchment 27S: Area - C3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=1.285 ac Runoff Volume=0.143 af Runoff Depth=1.34" Tc=5.0 min CN=WQ 2.82 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 65HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment 47S: Area - B3 (IMP) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=3.962 ac Runoff Volume=0.750 af Runoff Depth=2.27" Tc=20.0 min CN=WQ 9.19 cfs Subcatchment 48S: Area - B4 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=0.792 ac Runoff Volume=0.074 af Runoff Depth=1.12" Tc=5.0 min CN=WQ 1.44 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 66HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-3A: Direct Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=1.176 ac Runoff Volume=0.070 af Runoff Depth=0.72" Tc=5.0 min CN=WQ 1.53 cfs Subcatchment D-3B: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=1.414 ac Runoff Volume=0.152 af Runoff Depth=1.29" Tc=9.5 min CN=WQ 2.56 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 67HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment D-3C: Runoff to IB2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=1.658 ac Runoff Volume=0.210 af Runoff Depth=1.52" Tc=8.2 min CN=WQ 3.78 cfs Subcatchment D-W2: Runoff to W2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=11.436 ac Runoff Volume=0.992 af Runoff Depth=1.04" Flow Length=590' Tc=14.9 min CN=WQ 13.63 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 68HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment DW-3: Wetland 3 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=19.612 ac Runoff Volume=2.018 af Runoff Depth=1.23" Tc=8.0 min CN=WQ 37.87 cfs Subcatchment E-1: Wetland 1 Tributary Area Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)0.48 0.46 0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=0.302 ac Runoff Volume=0.019 af Runoff Depth=0.74" Flow Length=101' Slope=0.0146 '/' Tc=4.6 min CN=77 0.44 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 69HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment OFF-1: SOUTH OFFSITE Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=1.032 ac Runoff Volume=0.091 af Runoff Depth=1.05" Flow Length=433' Slope=0.0276 '/' Tc=9.2 min CN=WQ 1.69 cfs Subcatchment OFF-2: OFF-2 Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=462,782 sf Runoff Volume=0.945 af Runoff Depth=1.07" Flow Length=647' Slope=0.0340 '/' Tc=11.4 min CN=WQ 15.92 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 70HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=2.070 ac Runoff Volume=0.019 af Runoff Depth=0.11" Flow Length=430' Slope=0.0200 '/' Tc=21.9 min CN=WQ 0.07 cfs Subcatchment SW: SW Waterbody (undelineated water body) Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=35.775 ac Runoff Volume=3.609 af Runoff Depth=1.21" Flow Length=678' Slope=0.0479 '/' Tc=9.0 min CN=WQ 68.02 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 71HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment W4: Wetland 4 Runoff Runoff Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 MSE 24-hr 3 NURP/1 year Rainfall=2.50" Runoff Area=20.120 ac Runoff Volume=1.997 af Runoff Depth=1.19" Flow Length=640' Slope=0.0400 '/' Tc=9.8 min CN=WQ 35.26 cfs Pond 1P: Pond Inflow Outflow Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=22.499 ac Peak Elev=882.94' Storage=81,773 cf 39.43 cfs 30.07 cfs30.07 cfs 0.00 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 72HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 2P: Filtration adjacent to Wetland 2 Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)1 0 Inflow Area=0.497 ac Peak Elev=881.99' Storage=1,013 cf 1.14 cfs 0.24 cfs 0.00 cfs0.03 cfs 0.21 cfs Pond 3P: Wetland 1 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)0.48 0.46 0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Inflow Area=0.302 ac Peak Elev=904.79' Storage=636 cf 0.44 cfs 0.00 cfs0.00 cfs0.00 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 73HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 4P: Infiltration Basin Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=22.499 ac Peak Elev=882.40' Storage=35,970 cf 30.07 cfs 14.21 cfs 1.14 cfs 13.07 cfs 0.00 cfs Pond 5P: Disturbed Treatment Area Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)1 0 Inflow Area=0.547 ac Peak Elev=905.04' Storage=1,469 cf 0.94 cfs 0.03 cfs0.03 cfs0.00 cfs0.00 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 74HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 6P: SW Waterbody (undelineated water body) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=35.775 ac Peak Elev=900.51' Storage=116,557 cf 68.02 cfs 1.64 cfs Pond 7P: Undelineated Wetland Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=43.479 ac Peak Elev=896.23' Storage=29,520 cf 12.71 cfs 1.92 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 75HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 17P: POND1 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=8.464 ac Peak Elev=877.04' Storage=73,060 cf 10.24 cfs 4.52 cfs Pond 25P: POND2 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=24.163 ac Peak Elev=876.81' Storage=3.054 af 11.92 cfs 3.34 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 76HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond IB-2: IB-2 Inflow Outflow Discarded Primary Hydrograph Time (hours) 600550500450400350300250200150100500Flow (cfs)8 7 6 5 4 3 2 1 0 Inflow Area=6.318 ac Peak Elev=892.62' Storage=12,124 cf 7.65 cfs 0.48 cfs 0.02 cfs 0.46 cfs Pond W-2: Wetland 2 Erhart Farm Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=83.145 ac Peak Elev=879.11' Storage=14,356 cf 17.73 cfs 12.57 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 77HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=172.739 ac Peak Elev=875.21' Storage=359,260 cf 28.5" x 18.0" R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' 63.92 cfs 2.70 cfs Pond W-3A: Wetland 3A Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)7 6 5 4 3 2 1 0 Inflow Area=64.146 ac Peak Elev=892.80' Storage=1,748 cf 6.41 cfs6.38 cfs MSE 24-hr 3 NURP/1 year Rainfall=2.50"20090pdrn Printed 9/28/2021Prepared by {enter your company name here} Page 78HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-4: Wetland 4 Inflow Primary Hydrograph Time (hours) 600580560540520500480460440420400380360340320300280260240220200180160140120100806040200Flow (cfs)38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=64.146 ac Peak Elev=894.20' Storage=41,557 cf 35.26 cfs 6.41 cfs Table of Contents20090pdrn Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC TABLE OF CONTENTS Project Reports 1 Routing Diagram 2 Rainfall Events Listing (selected events) 2-Year Event 3 Subcat 1S: 1S 4 Subcat 2S: 2S 4 Subcat 3S: 3S 5 Subcat 4S: Disturbed Area for Haul Road 5 Subcat 5S: 5S 6 Subcat 8S: Wetland 6 Subcat 18S: Area - B3 (PERV) 7 Subcat 19S: Area - C2 (PERV) 7 Subcat 20S: Area - C2 (IMP) 8 Subcat 27S: Area - C3 8 Subcat 47S: Area - B3 (IMP) 9 Subcat 48S: Area - B4 9 Subcat D-3A: Direct Runoff to IB2 10 Subcat D-3B: Runoff to IB2 10 Subcat D-3C: Runoff to IB2 11 Subcat D-W2: Runoff to W2 11 Subcat DW-3: Wetland 3 12 Subcat E-1: Wetland 1 Tributary Area 12 Subcat OFF-1: SOUTH OFFSITE 13 Subcat OFF-2: OFF-2 13 Subcat OFF-IB2: Offiste Runoff to IB2 14 Subcat SW: SW Waterbody (undelineated water body) 14 Subcat W4: Wetland 4 Runoff 15 Pond 1P: Pond 15 Pond 2P: Filtration adjacent to Wetland 2 16 Pond 3P: Wetland 1 16 Pond 4P: Infiltration Basin 17 Pond 5P: Disturbed Treatment Area 17 Pond 6P: SW Waterbody (undelineated water body) 18 Pond 7P: Undelineated Wetland 18 Pond 17P: POND1 19 Pond 25P: POND2 19 Pond IB-2: IB-2 20 Pond W-2: Wetland 2 Erhart Farm 20 Pond W-3: Wetland 3 (Wetland C from TH 101) 21 Pond W-3A: Wetland 3A 21 Pond W-4: Wetland 4 10-Year Event 22 Subcat 1S: 1S 23 Subcat 2S: 2S Table of Contents20090pdrn Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC 23 Subcat 3S: 3S 24 Subcat 4S: Disturbed Area for Haul Road 24 Subcat 5S: 5S 25 Subcat 8S: Wetland 25 Subcat 18S: Area - B3 (PERV) 26 Subcat 19S: Area - C2 (PERV) 26 Subcat 20S: Area - C2 (IMP) 27 Subcat 27S: Area - C3 27 Subcat 47S: Area - B3 (IMP) 28 Subcat 48S: Area - B4 28 Subcat D-3A: Direct Runoff to IB2 29 Subcat D-3B: Runoff to IB2 29 Subcat D-3C: Runoff to IB2 30 Subcat D-W2: Runoff to W2 30 Subcat DW-3: Wetland 3 31 Subcat E-1: Wetland 1 Tributary Area 31 Subcat OFF-1: SOUTH OFFSITE 32 Subcat OFF-2: OFF-2 32 Subcat OFF-IB2: Offiste Runoff to IB2 33 Subcat SW: SW Waterbody (undelineated water body) 33 Subcat W4: Wetland 4 Runoff 34 Pond 1P: Pond 34 Pond 2P: Filtration adjacent to Wetland 2 35 Pond 3P: Wetland 1 35 Pond 4P: Infiltration Basin 36 Pond 5P: Disturbed Treatment Area 36 Pond 6P: SW Waterbody (undelineated water body) 37 Pond 7P: Undelineated Wetland 37 Pond 17P: POND1 38 Pond 25P: POND2 38 Pond IB-2: IB-2 39 Pond W-2: Wetland 2 Erhart Farm 39 Pond W-3: Wetland 3 (Wetland C from TH 101) 40 Pond W-3A: Wetland 3A 40 Pond W-4: Wetland 4 100-Year Event 41 Subcat 1S: 1S 42 Subcat 2S: 2S 42 Subcat 3S: 3S 43 Subcat 4S: Disturbed Area for Haul Road 43 Subcat 5S: 5S 44 Subcat 8S: Wetland 44 Subcat 18S: Area - B3 (PERV) 45 Subcat 19S: Area - C2 (PERV) 45 Subcat 20S: Area - C2 (IMP) 46 Subcat 27S: Area - C3 46 Subcat 47S: Area - B3 (IMP) Table of Contents20090pdrn Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC 47 Subcat 48S: Area - B4 47 Subcat D-3A: Direct Runoff to IB2 48 Subcat D-3B: Runoff to IB2 48 Subcat D-3C: Runoff to IB2 49 Subcat D-W2: Runoff to W2 49 Subcat DW-3: Wetland 3 50 Subcat E-1: Wetland 1 Tributary Area 50 Subcat OFF-1: SOUTH OFFSITE 51 Subcat OFF-2: OFF-2 51 Subcat OFF-IB2: Offiste Runoff to IB2 52 Subcat SW: SW Waterbody (undelineated water body) 52 Subcat W4: Wetland 4 Runoff 53 Pond 1P: Pond 53 Pond 2P: Filtration adjacent to Wetland 2 54 Pond 3P: Wetland 1 54 Pond 4P: Infiltration Basin 55 Pond 5P: Disturbed Treatment Area 55 Pond 6P: SW Waterbody (undelineated water body) 56 Pond 7P: Undelineated Wetland 56 Pond 17P: POND1 57 Pond 25P: POND2 57 Pond IB-2: IB-2 58 Pond W-2: Wetland 2 Erhart Farm 58 Pond W-3: Wetland 3 (Wetland C from TH 101) 59 Pond W-3A: Wetland 3A 59 Pond W-4: Wetland 4 NURP/1 year Event 60 Subcat 1S: 1S 61 Subcat 2S: 2S 61 Subcat 3S: 3S 62 Subcat 4S: Disturbed Area for Haul Road 62 Subcat 5S: 5S 63 Subcat 8S: Wetland 63 Subcat 18S: Area - B3 (PERV) 64 Subcat 19S: Area - C2 (PERV) 64 Subcat 20S: Area - C2 (IMP) 65 Subcat 27S: Area - C3 65 Subcat 47S: Area - B3 (IMP) 66 Subcat 48S: Area - B4 66 Subcat D-3A: Direct Runoff to IB2 67 Subcat D-3B: Runoff to IB2 67 Subcat D-3C: Runoff to IB2 68 Subcat D-W2: Runoff to W2 68 Subcat DW-3: Wetland 3 69 Subcat E-1: Wetland 1 Tributary Area 69 Subcat OFF-1: SOUTH OFFSITE 70 Subcat OFF-2: OFF-2 Table of Contents20090pdrn Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC 70 Subcat OFF-IB2: Offiste Runoff to IB2 71 Subcat SW: SW Waterbody (undelineated water body) 71 Subcat W4: Wetland 4 Runoff 72 Pond 1P: Pond 72 Pond 2P: Filtration adjacent to Wetland 2 73 Pond 3P: Wetland 1 73 Pond 4P: Infiltration Basin 74 Pond 5P: Disturbed Treatment Area 74 Pond 6P: SW Waterbody (undelineated water body) 75 Pond 7P: Undelineated Wetland 75 Pond 17P: POND1 76 Pond 25P: POND2 76 Pond IB-2: IB-2 77 Pond W-2: Wetland 2 Erhart Farm 77 Pond W-3: Wetland 3 (Wetland C from TH 101) 78 Pond W-3A: Wetland 3A 78 Pond W-4: Wetland 4 8S Waterbody 18S Area - B3 (PERV) 19S Area - C2 (PERV) 20S Area - C2 (IMP) 27S Area - C3 47S Area - B3 (IMP) 48S Area - B4 D-3A Direct Runoff to IB2 D-3B Runoff to IB2 D-3C Runoff to IB2 D-W2 Runoff to W2 DW-3 Wetland 3 E-1 Wetland 1 Tributary Area E-2 NORTHEAST AREA E-3 SOUTH AREA OFF-1 SOUTH OFFSITE OFF-2 OFF-2 OFF-IB2 Offiste Runoff to IB2 SW SW Waterbody (undelineated water body) W4 Wetland 4 Runoff 1P Wetland 1 2P Wetland 2 Erhart Farm 3P SW Waterbody (undelineated water body) 7P Undelineated Waterbody 17P POND1 25P POND2 IB-2 IB-2 W-3 Wetland 3 (Wetland C from TH 101) W-3A Wetland 3A W-4 Wetland 4 Routing Diagram for 20090edrn-snow Prepared by {enter your company name here}, Printed 9/28/2021 HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcat Reach Pond Link 20090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 2HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Rainfall Events Listing (selected events) Event# Event Name Storm Type Curve Mode Duration (hours) B/B Depth (inches) AMC 1 10 day-100 Yr Snow Snowmelt_10d_100yr Default 240.00 1 7.20 4 20090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 3HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area Listing (selected nodes) Area (acres) CN Description (subcatchment-numbers) 23.303 65 2 acre lots, 12% imp, HSG B (18S, 19S) 4.549 74 >75% Grass cover, Good, HSG C (D-3A, D-3B, D-3C, D-W2) 11.069 80 >75% Grass cover, Good, HSG D (E-3, OFF-1, OFF-2) 2.040 98 Imp - Pro Roadway (47S) 3.285 98 Imp - Pro roadway (20S) 1.922 98 Imp - ex parking lot (47S) 1.160 98 Impervious, HSG D (E-3) 13.673 78 Meadow, non-grazed, HSG D (DW-3) 0.124 98 Paved roads w/curbs & sewers, HSG D (OFF-1) 1.008 98 Pond NWL (27S, 48S) 1.877 98 Roofs, HSG C (D-3A, D-3B, D-3C, D-W2) 1.373 98 Roofs, HSG D (OFF-2) 0.357 98 Unconnected roofs, HSG D (SW, W4) 1.069 65 Upland (27S, 48S) 6.441 98 Water Surface, 0% imp, HSG D (8S, DW-3) 5.731 98 Water Surface, HSG D (SW) 7.524 98 Wetland (D-W2, W4) 3.086 60 Woods, Fair, HSG B (D-3A, D-3B, D-W2, OFF-IB2) 1.474 55 Woods, Good, HSG B (OFF-IB2) 40.484 77 Woods, Good, HSG D (8S, D-W2, E-1, E-2, E-3, W4) 37.458 82 Woods/grass comb., Fair, HSG D (SW, W4) 3.495 79 Woods/grass comb., Good, HSG D (8S) 172.502 80 TOTAL AREA 20090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 4HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Soil Listing (selected nodes) Area (acres) Soil Group Subcatchment Numbers 0.000 HSG A 27.863 HSG B 18S, 19S, D-3A, D-3B, D-W2, OFF-IB2 6.426 HSG C D-3A, D-3B, D-3C, D-W2 121.365 HSG D 8S, D-W2, DW-3, E-1, E-2, E-3, OFF-1, OFF-2, SW, W4 16.848 Other 20S, 27S, 47S, 48S, D-W2, W4 172.502 TOTAL AREA Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 5HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-400.00 hrs, dt=0.01 hrs, 40001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=7.704 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment 8S: Waterbody Flow Length=335' Slope=0.0596 '/' Tc=5.6 min AMC Adjusted CN=WQ Runoff=1.47 cfs 4.469 af Runoff Area=3.710 ac 12.00% Impervious Runoff Depth=6.96"Subcatchment 18S: Area - B3 (PERV) Tc=20.0 min AMC Adjusted CN=98 Runoff=0.71 cfs 2.152 af Runoff Area=19.593 ac 12.00% Impervious Runoff Depth=6.96"Subcatchment 19S: Area - C2 (PERV) Tc=20.0 min AMC Adjusted CN=98 Runoff=3.72 cfs 11.365 af Runoff Area=3.285 ac 100.00% Impervious Runoff Depth=6.96"Subcatchment 20S: Area - C2 (IMP) Tc=20.0 min CN=98 Runoff=0.62 cfs 1.906 af Runoff Area=1.285 ac 52.76% Impervious Runoff Depth=6.96"Subcatchment 27S: Area - C3 Tc=5.0 min AMC Adjusted CN=WQ Runoff=0.25 cfs 0.745 af Runoff Area=3.962 ac 100.00% Impervious Runoff Depth=6.96"Subcatchment 47S: Area - B3 (IMP) Tc=20.0 min CN=WQ Runoff=0.75 cfs 2.298 af Runoff Area=0.792 ac 41.67% Impervious Runoff Depth=6.96"Subcatchment 48S: Area - B4 Tc=5.0 min AMC Adjusted CN=WQ Runoff=0.15 cfs 0.459 af Runoff Area=1.176 ac 7.31% Impervious Runoff Depth=6.96"Subcatchment D-3A: Direct Runoff to IB2 Tc=5.0 min AMC Adjusted CN=WQ Runoff=0.22 cfs 0.682 af Runoff Area=1.414 ac 43.35% Impervious Runoff Depth=6.96"Subcatchment D-3B: Runoff to IB2 Tc=9.5 min AMC Adjusted CN=WQ Runoff=0.27 cfs 0.820 af Runoff Area=1.658 ac 54.89% Impervious Runoff Depth=6.96"Subcatchment D-3C: Runoff to IB2 Tc=8.2 min AMC Adjusted CN=WQ Runoff=0.32 cfs 0.962 af Runoff Area=11.436 ac 28.69% Impervious Runoff Depth=6.96"Subcatchment D-W2: Runoff to W2 Flow Length=590' Tc=14.9 min AMC Adjusted CN=WQ Runoff=2.18 cfs 6.634 af Runoff Area=19.586 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment DW-3: Wetland 3 Tc=8.0 min AMC Adjusted CN=WQ Runoff=3.74 cfs 11.361 af Runoff Area=0.518 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment E-1: Wetland 1 Tributary Area Flow Length=101' Slope=0.0146 '/' Tc=4.6 min AMC Adjusted CN=98 Runoff=0.10 cfs 0.300 af Runoff Area=2.260 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment E-2: NORTHEAST AREA Flow Length=282' Slope=0.0975 '/' Tc=4.0 min AMC Adjusted CN=98 Runoff=0.43 cfs 1.311 af Runoff Area=24.030 ac 4.83% Impervious Runoff Depth=6.96"Subcatchment E-3: SOUTH AREA Flow Length=520' Slope=0.0730 '/' Tc=7.4 min AMC Adjusted CN=WQ Runoff=4.59 cfs 13.939 af Runoff Area=1.032 ac 12.02% Impervious Runoff Depth=6.96"Subcatchment OFF-1: SOUTH OFFSITE Tc=7.0 min AMC Adjusted CN=WQ Runoff=0.20 cfs 0.599 af Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 6HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Runoff Area=10.624 ac 12.92% Impervious Runoff Depth=6.96"Subcatchment OFF-2: OFF-2 Tc=8.0 min AMC Adjusted CN=WQ Runoff=2.03 cfs 6.163 af Runoff Area=2.070 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment OFF-IB2: Offiste Runoff to IB2 Flow Length=430' Slope=0.0200 '/' Tc=21.9 min AMC Adjusted CN=WQ Runoff=0.39 cfs 1.201 af Runoff Area=35.775 ac 16.69% Impervious Runoff Depth=6.96"Subcatchment SW: SW Waterbody Flow Length=678' Slope=0.0479 '/' Tc=9.0 min AMC UI Adjusted CN=WQ Runoff=6.83 cfs 20.752 af Runoff Area=20.592 ac 22.47% Impervious Runoff Depth=6.96"Subcatchment W4: Wetland 4 Runoff Flow Length=640' Slope=0.0400 '/' Tc=9.8 min AMC UI Adjusted CN=WQ Runoff=3.93 cfs 11.945 af Peak Elev=905.35' Storage=2,930 cf Inflow=0.10 cfs 0.300 afPond 1P: Wetland 1 Outflow=0.10 cfs 0.235 af Peak Elev=879.10' Storage=12,988 cf Inflow=10.90 cfs 47.165 afPond 2P: Wetland 2 Erhart Farm Outflow=10.88 cfs 47.163 af Peak Elev=900.78' Storage=190,441 cf Inflow=6.83 cfs 20.752 afPond 3P: SW Waterbody (undelineated Outflow=3.79 cfs 20.188 af Peak Elev=896.35' Storage=32,409 cf Inflow=4.78 cfs 24.657 afPond 7P: Undelineated Waterbody Outflow=4.78 cfs 24.057 af Peak Elev=876.56' Storage=65,529 cf Inflow=1.61 cfs 4.910 afPond 17P: POND1 Outflow=1.53 cfs 4.908 af Peak Elev=876.93' Storage=3.142 af Inflow=4.59 cfs 14.016 afPond 25P: POND2 Outflow=4.30 cfs 14.010 af Peak Elev=893.48' Storage=19,538 cf Inflow=1.20 cfs 3.665 afPond IB-2: IB-2 Discarded=0.02 cfs 0.432 af Primary=0.61 cfs 3.229 af Outflow=0.63 cfs 3.661 af Peak Elev=876.10' Storage=1,132,847 cf Inflow=26.77 cfs 98.378 afPond W-3: Wetland 3 (Wetland C from 28.5" x 18.0", R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' Outflow=11.37 cfs 97.737 af Peak Elev=892.91' Storage=2,042 cf Inflow=8.03 cfs 35.993 afPond W-3A: Wetland 3A Outflow=8.03 cfs 35.992 af Peak Elev=894.23' Storage=48,043 cf Inflow=8.51 cfs 36.002 afPond W-4: Wetland 4 Outflow=8.03 cfs 35.993 af Total Runoff Area = 172.502 ac Runoff Volume = 100.062 af Average Runoff Depth = 6.96" 83.07% Pervious = 143.305 ac 16.93% Impervious = 29.197 ac Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 7HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 8S: Waterbody Runoff = 1.47 cfs @ 121.24 hrs, Volume= 4.469 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 3.495 79 98 Woods/grass comb., Good, HSG D 0.528 98 98 Water Surface, 0% imp, HSG D 3.681 77 98 Woods, Good, HSG D 7.704 Weighted Average 7.704 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.6 335 0.0596 1.00 Lag/CN Method, Subcatchment 8S: Waterbody Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=7.704 ac Runoff Volume=4.469 af Runoff Depth=6.96" Flow Length=335' Slope=0.0596 '/' Tc=5.6 min AMC Adjusted CN=WQ 1.47 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 8HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 18S: Area - B3 (PERV) Runoff = 0.71 cfs @ 121.40 hrs, Volume= 2.152 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 3.710 65 98 2 acre lots, 12% imp, HSG B 3.710 Weighted Average 3.265 88.00% Pervious Area 0.445 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Subcatchment 18S: Area - B3 (PERV) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=3.710 ac Runoff Volume=2.152 af Runoff Depth=6.96" Tc=20.0 min AMC Adjusted CN=98 0.71 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 9HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 19S: Area - C2 (PERV) Runoff = 3.72 cfs @ 121.40 hrs, Volume= 11.365 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 19.593 65 98 2 acre lots, 12% imp, HSG B 19.593 Weighted Average 17.242 88.00% Pervious Area 2.351 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Subcatchment 19S: Area - C2 (PERV) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=19.593 ac Runoff Volume=11.365 af Runoff Depth=6.96" Tc=20.0 min AMC Adjusted CN=98 3.72 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 10HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 20S: Area - C2 (IMP) Runoff = 0.62 cfs @ 121.40 hrs, Volume= 1.906 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Description * 3.285 98 Imp - Pro roadway 3.285 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Subcatchment 20S: Area - C2 (IMP) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=3.285 ac Runoff Volume=1.906 af Runoff Depth=6.96" Tc=20.0 min CN=98 0.62 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 11HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 27S: Area - C3 Runoff = 0.25 cfs @ 121.24 hrs, Volume= 0.745 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description * 0.607 65 98 Upland * 0.678 98 98 Pond NWL 1.285 Weighted Average 0.607 47.24% Pervious Area 0.678 52.76% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 27S: Area - C3 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=1.285 ac Runoff Volume=0.745 af Runoff Depth=6.96" Tc=5.0 min AMC Adjusted CN=WQ 0.25 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 12HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 47S: Area - B3 (IMP) Runoff = 0.75 cfs @ 121.40 hrs, Volume= 2.298 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Description * 1.922 98 Imp - ex parking lot * 2.040 98 Imp - Pro Roadway 3.962 Weighted Average 3.962 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Subcatchment 47S: Area - B3 (IMP) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=3.962 ac Runoff Volume=2.298 af Runoff Depth=6.96" Tc=20.0 min CN=WQ 0.75 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 13HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 48S: Area - B4 Runoff = 0.15 cfs @ 121.24 hrs, Volume= 0.459 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description * 0.330 98 98 Pond NWL * 0.462 65 98 Upland 0.792 Weighted Average 0.462 58.33% Pervious Area 0.330 41.67% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 48S: Area - B4 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.792 ac Runoff Volume=0.459 af Runoff Depth=6.96" Tc=5.0 min AMC Adjusted CN=WQ 0.15 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 14HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment D-3A: Direct Runoff to IB2 Runoff = 0.22 cfs @ 121.24 hrs, Volume= 0.682 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.086 98 98 Roofs, HSG C 1.051 74 98 >75% Grass cover, Good, HSG C 0.039 60 98 Woods, Fair, HSG B 1.176 Weighted Average 1.090 92.69% Pervious Area 0.086 7.31% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment D-3A: Direct Runoff to IB2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.25 0.24 0.23 0.22 0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=1.176 ac Runoff Volume=0.682 af Runoff Depth=6.96" Tc=5.0 min AMC Adjusted CN=WQ 0.22 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 15HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment D-3B: Runoff to IB2 Runoff = 0.27 cfs @ 121.29 hrs, Volume= 0.820 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.613 98 98 Roofs, HSG C 0.135 60 98 Woods, Fair, HSG B 0.666 74 98 >75% Grass cover, Good, HSG C 1.414 Weighted Average 0.801 56.65% Pervious Area 0.613 43.35% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 Direct Entry, Subcatchment D-3B: Runoff to IB2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=1.414 ac Runoff Volume=0.820 af Runoff Depth=6.96" Tc=9.5 min AMC Adjusted CN=WQ 0.27 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 16HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment D-3C: Runoff to IB2 Runoff = 0.32 cfs @ 121.28 hrs, Volume= 0.962 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.910 98 98 Roofs, HSG C 0.748 74 98 >75% Grass cover, Good, HSG C 1.658 Weighted Average 0.748 45.11% Pervious Area 0.910 54.89% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.2 Direct Entry, Subcatchment D-3C: Runoff to IB2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=1.658 ac Runoff Volume=0.962 af Runoff Depth=6.96" Tc=8.2 min AMC Adjusted CN=WQ 0.32 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 17HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment D-W2: Runoff to W2 Runoff = 2.18 cfs @ 121.37 hrs, Volume= 6.634 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.268 98 98 Roofs, HSG C 2.316 60 98 Woods, Fair, HSG B * 3.013 98 98 Wetland 2.084 74 98 >75% Grass cover, Good, HSG C 3.755 77 98 Woods, Good, HSG D 11.436 Weighted Average 8.155 71.31% Pervious Area 3.281 28.69% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.4 400 0.1300 1.53 Lag/CN Method, 10.5 190 0.0700 0.30 Sheet Flow, backyard swale Grass: Short n= 0.150 P2= 2.87" 14.9 590 Total Subcatchment D-W2: Runoff to W2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=11.436 ac Runoff Volume=6.634 af Runoff Depth=6.96" Flow Length=590' Tc=14.9 min AMC Adjusted CN=WQ 2.18 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 18HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment DW-3: Wetland 3 Runoff = 3.74 cfs @ 121.27 hrs, Volume= 11.361 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 5.913 98 98 Water Surface, 0% imp, HSG D 13.673 78 98 Meadow, non-grazed, HSG D 19.586 Weighted Average 19.586 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Subcatchment DW-3: Wetland 3 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=19.586 ac Runoff Volume=11.361 af Runoff Depth=6.96" Tc=8.0 min AMC Adjusted CN=WQ 3.74 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 19HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment E-1: Wetland 1 Tributary Area Runoff = 0.10 cfs @ 121.24 hrs, Volume= 0.300 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.518 77 98 Woods, Good, HSG D 0.518 Weighted Average 0.518 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.6 101 0.0146 0.37 Lag/CN Method, Subcatchment E-1: Wetland 1 Tributary Area Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.11 0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.518 ac Runoff Volume=0.300 af Runoff Depth=6.96" Flow Length=101' Slope=0.0146 '/' Tc=4.6 min AMC Adjusted CN=98 0.10 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 20HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment E-2: NORTHEAST AREA Runoff = 0.43 cfs @ 121.23 hrs, Volume= 1.311 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 2.260 77 98 Woods, Good, HSG D 2.260 Weighted Average 2.260 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.0 282 0.0975 1.16 Lag/CN Method, Subcatchment E-2: NORTHEAST AREA Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.48 0.46 0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=2.260 ac Runoff Volume=1.311 af Runoff Depth=6.96" Flow Length=282' Slope=0.0975 '/' Tc=4.0 min AMC Adjusted CN=98 0.43 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 21HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment E-3: SOUTH AREA Runoff = 4.59 cfs @ 121.27 hrs, Volume= 13.939 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 21.960 77 98 Woods, Good, HSG D * 1.160 98 98 Impervious, HSG D 0.910 80 98 >75% Grass cover, Good, HSG D 24.030 Weighted Average 22.870 95.17% Pervious Area 1.160 4.83% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.4 520 0.0730 1.17 Lag/CN Method, Subcatchment E-3: SOUTH AREA Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=24.030 ac Runoff Volume=13.939 af Runoff Depth=6.96" Flow Length=520' Slope=0.0730 '/' Tc=7.4 min AMC Adjusted CN=WQ 4.59 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 22HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-1: SOUTH OFFSITE Runoff = 0.20 cfs @ 121.26 hrs, Volume= 0.599 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.908 80 98 >75% Grass cover, Good, HSG D 0.124 98 98 Paved roads w/curbs & sewers, HSG D 1.032 Weighted Average 0.908 87.98% Pervious Area 0.124 12.02% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.0 Direct Entry, Subcatchment OFF-1: SOUTH OFFSITE Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.22 0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=1.032 ac Runoff Volume=0.599 af Runoff Depth=6.96" Tc=7.0 min AMC Adjusted CN=WQ 0.20 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 23HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-2: OFF-2 Runoff = 2.03 cfs @ 121.27 hrs, Volume= 6.163 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 1.373 98 98 Roofs, HSG D 9.251 80 98 >75% Grass cover, Good, HSG D 10.624 Weighted Average 9.251 87.08% Pervious Area 1.373 12.92% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Subcatchment OFF-2: OFF-2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=10.624 ac Runoff Volume=6.163 af Runoff Depth=6.96" Tc=8.0 min AMC Adjusted CN=WQ 2.03 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 24HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff = 0.39 cfs @ 121.45 hrs, Volume= 1.201 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.596 60 98 Woods, Fair, HSG B 1.474 55 98 Woods, Good, HSG B 2.070 Weighted Average 2.070 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 21.9 430 0.0200 0.33 Lag/CN Method, Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=2.070 ac Runoff Volume=1.201 af Runoff Depth=6.96" Flow Length=430' Slope=0.0200 '/' Tc=21.9 min AMC Adjusted CN=WQ 0.39 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 25HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment SW: SW Waterbody (undelineated water body) Runoff = 6.83 cfs @ 121.29 hrs, Volume= 20.752 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.240 98 98 Unconnected roofs, HSG D 5.731 98 98 Water Surface, HSG D 29.804 82 98 Woods/grass comb., Fair, HSG D 35.775 Weighted Average 29.804 83.31% Pervious Area 5.971 16.69% Impervious Area 0.240 4.02% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.0 678 0.0479 1.25 Lag/CN Method, Subcatchment SW: SW Waterbody (undelineated water body) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)7 6 5 4 3 2 1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=35.775 ac Runoff Volume=20.752 af Runoff Depth=6.96" Flow Length=678' Slope=0.0479 '/' Tc=9.0 min AMC UI Adjusted CN=WQ 6.83 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 26HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment W4: Wetland 4 Runoff Runoff = 3.93 cfs @ 121.29 hrs, Volume= 11.945 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description * 4.511 98 98 Wetland 8.310 77 98 Woods, Good, HSG D 7.654 82 98 Woods/grass comb., Fair, HSG D 0.117 98 98 Unconnected roofs, HSG D 20.592 Weighted Average 15.964 77.53% Pervious Area 4.628 22.47% Impervious Area 0.117 2.53% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.8 640 0.0400 1.09 Lag/CN Method, Subcatchment W4: Wetland 4 Runoff Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=20.592 ac Runoff Volume=11.945 af Runoff Depth=6.96" Flow Length=640' Slope=0.0400 '/' Tc=9.8 min AMC UI Adjusted CN=WQ 3.93 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 27HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 1P: Wetland 1 Inflow Area = 0.518 ac, 0.00% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 0.10 cfs @ 121.24 hrs, Volume= 0.300 af Outflow = 0.10 cfs @ 121.32 hrs, Volume= 0.235 af, Atten= 1%, Lag= 4.8 min Primary = 0.10 cfs @ 121.32 hrs, Volume= 0.235 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 905.35' @ 121.32 hrs Surf.Area= 5,456 sf Storage= 2,930 cf Plug-Flow detention time= 2,411.7 min calculated for 0.235 af (78% of inflow) Center-of-Mass det. time= 1,193.5 min ( 8,574.1 - 7,380.6 ) Volume Invert Avail.Storage Storage Description #1 904.20' 3,809 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.20 219 0 0 904.40 745 96 96 904.60 1,744 249 345 904.80 2,611 435 781 905.00 3,507 612 1,393 905.20 4,539 805 2,197 905.40 5,789 1,033 3,230 905.50 5,789 579 3,809 Device Routing Invert Outlet Devices #1 Primary 905.33'14.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) Primary OutFlow Max=0.10 cfs @ 121.32 hrs HW=905.35' TW=875.83' (Dynamic Tailwater) 1=Sharp-Crested Rectangular Weir (Weir Controls 0.10 cfs @ 0.42 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 28HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 1P: Wetland 1 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.11 0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Inflow Area=0.518 ac Peak Elev=905.35' Storage=2,930 cf 0.10 cfs0.10 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 29HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 2P: Wetland 2 Erhart Farm Inflow Area = 84.085 ac, 18.42% Impervious, Inflow Depth > 6.73" for 10 day-100 Yr Snow event Inflow = 10.90 cfs @ 121.93 hrs, Volume= 47.165 af Outflow = 10.88 cfs @ 122.18 hrs, Volume= 47.163 af, Atten= 0%, Lag= 14.8 min Primary = 10.88 cfs @ 122.18 hrs, Volume= 47.163 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 879.10' @ 122.18 hrs Surf.Area= 140,870 sf Storage= 12,988 cf Plug-Flow detention time= 31.8 min calculated for 47.163 af (100% of inflow) Center-of-Mass det. time= 31.1 min ( 8,171.5 - 8,140.5 ) Volume Invert Avail.Storage Storage Description #1 879.00' 180,180 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.00 131,609 0 0 880.00 228,751 180,180 180,180 Device Routing Invert Outlet Devices #1 Primary 879.00'148.4' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=10.88 cfs @ 122.18 hrs HW=879.10' TW=875.89' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 10.88 cfs @ 0.77 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 30HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 2P: Wetland 2 Erhart Farm Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=84.085 ac Peak Elev=879.10' Storage=12,988 cf 10.90 cfs10.88 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 31HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 3P: SW Waterbody (undelineated water body) Inflow Area = 35.775 ac, 16.69% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 6.83 cfs @ 121.29 hrs, Volume= 20.752 af Outflow = 3.79 cfs @ 124.56 hrs, Volume= 20.188 af, Atten= 45%, Lag= 196.3 min Primary = 3.79 cfs @ 124.56 hrs, Volume= 20.188 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 900.78' @ 124.56 hrs Surf.Area= 277,950 sf Storage= 190,441 cf Plug-Flow detention time= 1,402.6 min calculated for 20.188 af (97% of inflow) Center-of-Mass det. time= 1,218.2 min ( 8,602.9 - 7,384.7 ) Volume Invert Avail.Storage Storage Description #1 900.00' 537,615 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 900.00 90,358 0 0 900.20 256,659 34,702 34,702 901.00 285,893 217,021 251,722 902.00 285,893 285,893 537,615 Device Routing Invert Outlet Devices #1 Primary 900.15'2.3' long Sharp-Crested Vee/Trap Weir Cv= 2.62 (C= 3.28) Primary OutFlow Max=3.79 cfs @ 124.56 hrs HW=900.78' TW=896.34' (Dynamic Tailwater) 1=Sharp-Crested Vee/Trap Weir (Weir Controls 3.79 cfs @ 2.60 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 32HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 3P: SW Waterbody (undelineated water body) Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)7 6 5 4 3 2 1 0 Inflow Area=35.775 ac Peak Elev=900.78' Storage=190,441 cf 6.83 cfs 3.79 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 33HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 7P: Undelineated Waterbody Inflow Area = 43.479 ac, 13.73% Impervious, Inflow Depth > 6.81" for 10 day-100 Yr Snow event Inflow = 4.78 cfs @ 122.46 hrs, Volume= 24.657 af Outflow = 4.78 cfs @ 122.73 hrs, Volume= 24.057 af, Atten= 0%, Lag= 16.2 min Primary = 4.78 cfs @ 122.73 hrs, Volume= 24.057 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 896.35' @ 122.73 hrs Surf.Area= 24,792 sf Storage= 32,409 cf Plug-Flow detention time= 407.6 min calculated for 24.057 af (98% of inflow) Center-of-Mass det. time= 193.9 min ( 8,575.4 - 8,381.5 ) Volume Invert Avail.Storage Storage Description #1 895.00' 73,404 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 895.00 23,009 0 0 896.09 24,792 26,052 26,052 897.00 24,792 22,561 48,612 898.00 24,792 24,792 73,404 Device Routing Invert Outlet Devices #1 Primary 896.09'13.7' long x 22.6' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=4.78 cfs @ 122.73 hrs HW=896.35' TW=894.23' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 4.78 cfs @ 1.36 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 34HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 7P: Undelineated Waterbody Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 Inflow Area=43.479 ac Peak Elev=896.35' Storage=32,409 cf 4.78 cfs4.78 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 35HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 17P: POND1 Inflow Area = 8.464 ac, 55.97% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 1.61 cfs @ 121.40 hrs, Volume= 4.910 af Outflow = 1.53 cfs @ 121.81 hrs, Volume= 4.908 af, Atten= 4%, Lag= 24.9 min Primary = 1.53 cfs @ 121.81 hrs, Volume= 4.908 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 14,344 sf Storage= 57,207 cf Peak Elev= 876.56' @ 121.81 hrs Surf.Area= 15,362 sf Storage= 65,529 cf (8,322 cf above start) Plug-Flow detention time= 2,999.6 min calculated for 3.595 af (73% of inflow) Center-of-Mass det. time= 201.1 min ( 7,594.7 - 7,393.6 ) Volume Invert Avail.Storage Storage Description #1 866.00' 151,629 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 866.00 991 0 0 875.00 9,115 45,477 45,477 876.00 14,344 11,730 57,207 881.00 23,425 94,423 151,629 Device Routing Invert Outlet Devices #1 Primary 876.00'18.0" Round Culvert L= 48.0' Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0833 '/' Cc= 0.900 n= 0.013, Flow Area= 1.77 sf #2 Primary 879.50'10.0' long x 4.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.38 2.54 2.69 2.68 2.67 2.67 2.65 2.66 2.66 2.68 2.72 2.73 2.76 2.79 2.88 3.07 3.32 Primary OutFlow Max=1.53 cfs @ 121.81 hrs HW=876.56' TW=875.87' (Dynamic Tailwater) 1=Culvert (Inlet Controls 1.53 cfs @ 2.55 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 36HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 17P: POND1 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 Inflow Area=8.464 ac Peak Elev=876.56' Storage=65,529 cf 1.61 cfs 1.53 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 37HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 25P: POND2 Inflow Area = 24.163 ac, 26.13% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 4.59 cfs @ 121.40 hrs, Volume= 14.016 af Outflow = 4.30 cfs @ 121.94 hrs, Volume= 14.010 af, Atten= 6%, Lag= 32.7 min Primary = 4.30 cfs @ 121.94 hrs, Volume= 14.010 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 0.678 ac Storage= 2.491 af Peak Elev= 876.93' @ 121.94 hrs Surf.Area= 0.716 ac Storage= 3.142 af (0.651 af above start) Plug-Flow detention time= 2,255.2 min calculated for 11.520 af (82% of inflow) Center-of-Mass det. time= 237.8 min ( 7,631.9 - 7,394.1 ) Volume Invert Avail.Storage Storage Description #1 869.00' 5.535 af Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (acres) (acre-feet) (acre-feet) 869.00 0.163 0.000 0.000 870.00 0.213 0.188 0.188 871.00 0.264 0.239 0.427 872.00 0.317 0.290 0.717 873.00 0.370 0.343 1.061 874.00 0.425 0.397 1.458 875.00 0.481 0.453 1.911 876.00 0.678 0.579 2.491 877.00 0.719 0.698 3.189 878.00 0.761 0.740 3.929 879.00 0.803 0.782 4.711 880.00 0.846 0.824 5.535 Device Routing Invert Outlet Devices #1 Primary 876.00'21.0" Round Culvert L= 50.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0800 '/' Cc= 0.900 n= 0.013, Flow Area= 2.41 sf #2 Primary 879.00'10.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=4.30 cfs @ 121.94 hrs HW=876.93' TW=875.88' (Dynamic Tailwater) 1=Culvert (Inlet Controls 4.30 cfs @ 3.29 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 38HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 25P: POND2 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 Inflow Area=24.163 ac Peak Elev=876.93' Storage=3.142 af 4.59 cfs 4.30 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 39HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond IB-2: IB-2 Inflow Area = 6.318 ac, 25.47% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 1.20 cfs @ 121.30 hrs, Volume= 3.665 af Outflow = 0.63 cfs @ 125.01 hrs, Volume= 3.661 af, Atten= 48%, Lag= 222.7 min Discarded = 0.02 cfs @ 125.01 hrs, Volume= 0.432 af Primary = 0.61 cfs @ 125.01 hrs, Volume= 3.229 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 893.48' @ 125.01 hrs Surf.Area= 16,438 sf Storage= 19,538 cf Plug-Flow detention time= 460.1 min calculated for 3.660 af (100% of inflow) Center-of-Mass det. time= 452.1 min ( 7,839.9 - 7,387.8 ) Volume Invert Avail.Storage Storage Description #1 891.00' 1,453 cf Infiltration Volume (D soils) (Prismatic) Listed below (Recalc) #2 891.24' 44,087 cf Live Storage (Prismatic) Listed below (Recalc) #3 890.00' 277 cf Forebay 1 (Prismatic) Listed below (Recalc) #4 890.00' 250 cf Forebay 2 (Prismatic) Listed below (Recalc) 46,066 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.00 5,475 0 0 891.24 6,632 1,453 1,453 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.24 6,632 0 0 892.00 7,418 5,339 5,339 894.00 9,630 17,048 22,387 896.00 12,070 21,700 44,087 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 160 0 0 891.00 393 277 277 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 146 0 0 891.00 354 250 250 Device Routing Invert Outlet Devices #1 Primary 886.70'12.0" Round 12" Outlet Pipe L= 87.4' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 886.70' / 886.00' S= 0.0080 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 0.79 sf #2 Discarded 890.00'0.060 in/hr Infiltration (D Soils) over Surface area Phase-In= 0.01' #3 Device 1 891.24'4.0" Vert. 4" Orifice C= 0.600 Limited to weir flow at low heads #4 Device 1 893.80'4.0' long x 0.5' breadth Weir Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 40HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.02 cfs @ 125.01 hrs HW=893.48' (Free Discharge) 2=Infiltration (D Soils) (Exfiltration Controls 0.02 cfs) Primary OutFlow Max=0.61 cfs @ 125.01 hrs HW=893.48' TW=879.09' (Dynamic Tailwater) 1=12" Outlet Pipe (Passes 0.61 cfs of 8.08 cfs potential flow) 3=4" Orifice (Orifice Controls 0.61 cfs @ 6.94 fps) 4=Weir ( Controls 0.00 cfs) Pond IB-2: IB-2 Inflow Outflow Discarded Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 Inflow Area=6.318 ac Peak Elev=893.48' Storage=19,538 cf 1.20 cfs 0.63 cfs 0.02 cfs 0.61 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 41HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Area = 172.502 ac, 16.93% Impervious, Inflow Depth > 6.84" for 10 day-100 Yr Snow event Inflow = 26.77 cfs @ 121.40 hrs, Volume= 98.378 af Outflow = 11.37 cfs @ 131.03 hrs, Volume= 97.737 af, Atten= 58%, Lag= 578.0 min Primary = 11.37 cfs @ 131.03 hrs, Volume= 97.737 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 876.10' @ 131.03 hrs Surf.Area= 920,923 sf Storage= 1,132,847 cf Plug-Flow detention time= 1,917.7 min calculated for 97.735 af (99% of inflow) Center-of-Mass det. time= 1,854.5 min ( 9,664.5 - 7,810.1 ) Volume Invert Avail.Storage Storage Description #1 874.63' 5,386,618 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 874.63 225,955 0 0 875.00 791,747 188,275 188,275 876.00 912,103 851,925 1,040,200 880.00 1,261,106 4,346,418 5,386,618 Device Routing Invert Outlet Devices #1 Primary 874.63'28.5" W x 18.0" H, R=14.8"/40.7" Pipe Arch RCP_Arch 29x18 L= 187.0' RCP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 874.63' / 872.83' S= 0.0096 '/' Cc= 0.900 n= 0.013, Flow Area= 2.79 sf Primary OutFlow Max=11.37 cfs @ 131.03 hrs HW=876.10' (Free Discharge) 1=RCP_Arch 29x18 (Inlet Controls 11.37 cfs @ 4.08 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 42HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=172.502 ac Peak Elev=876.10' Storage=1,132,847 cf 28.5" x 18.0" R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' 26.77 cfs 11.37 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 43HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond W-3A: Wetland 3A Inflow Area = 64.071 ac, 16.54% Impervious, Inflow Depth > 6.74" for 10 day-100 Yr Snow event Inflow = 8.03 cfs @ 122.45 hrs, Volume= 35.993 af Outflow = 8.03 cfs @ 122.49 hrs, Volume= 35.992 af, Atten= 0%, Lag= 2.9 min Primary = 8.03 cfs @ 122.49 hrs, Volume= 35.992 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 892.91' @ 122.49 hrs Surf.Area= 2,928 sf Storage= 2,042 cf Plug-Flow detention time= 7.4 min calculated for 35.992 af (100% of inflow) Center-of-Mass det. time= 7.0 min ( 8,344.6 - 8,337.6 ) Volume Invert Avail.Storage Storage Description #1 892.00' 35,594 cf Wetland 3A (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 892.00 1,570 0 0 894.00 4,562 6,132 6,132 896.00 7,450 12,012 18,144 898.00 10,000 17,450 35,594 Device Routing Invert Outlet Devices #1 Device 2 892.00'42.0" Round 42" Culvert L= 40.9' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 892.00' / 889.00' S= 0.0733 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf #2 Primary 885.50'42.0" Round 42" Culvert L= 70.5' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 885.50' / 885.20' S= 0.0043 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf Primary OutFlow Max=8.03 cfs @ 122.49 hrs HW=892.91' TW=879.10' (Dynamic Tailwater) 2=42" Culvert (Passes 8.03 cfs of 124.56 cfs potential flow) 1=42" Culvert (Inlet Controls 8.03 cfs @ 4.05 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 44HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-3A: Wetland 3A Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)8 7 6 5 4 3 2 1 0 Inflow Area=64.071 ac Peak Elev=892.91' Storage=2,042 cf 8.03 cfs8.03 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 45HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond W-4: Wetland 4 Inflow Area = 64.071 ac, 16.54% Impervious, Inflow Depth > 6.74" for 10 day-100 Yr Snow event Inflow = 8.51 cfs @ 121.38 hrs, Volume= 36.002 af Outflow = 8.03 cfs @ 122.45 hrs, Volume= 35.993 af, Atten= 6%, Lag= 63.9 min Primary = 8.03 cfs @ 122.45 hrs, Volume= 35.993 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 894.23' @ 122.45 hrs Surf.Area= 207,402 sf Storage= 48,043 cf Plug-Flow detention time= 161.0 min calculated for 35.992 af (100% of inflow) Center-of-Mass det. time= 157.0 min ( 8,337.6 - 8,180.6 ) Volume Invert Avail.Storage Storage Description #1 894.00' 441,167 cf Wetland 4 (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 894.00 203,377 0 0 896.00 237,790 441,167 441,167 Device Routing Invert Outlet Devices #1 Primary 894.00'30.0' long x 5.0' breadth Natural Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=8.03 cfs @ 122.45 hrs HW=894.23' TW=892.91' (Dynamic Tailwater) 1=Natural Weir (Weir Controls 8.03 cfs @ 1.14 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 46HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-4: Wetland 4 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)9 8 7 6 5 4 3 2 1 0 Inflow Area=64.071 ac Peak Elev=894.23' Storage=48,043 cf 8.51 cfs 8.03 cfs Table of Contents20090edrn-snow Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC TABLE OF CONTENTS Project Reports 1 Routing Diagram 2 Rainfall Events Listing (selected events) 3 Area Listing (selected nodes) 4 Soil Listing (selected nodes) 10 day-100 Yr Snow Event 5 Node Listing 7 Subcat 8S: Waterbody 8 Subcat 18S: Area - B3 (PERV) 9 Subcat 19S: Area - C2 (PERV) 10 Subcat 20S: Area - C2 (IMP) 11 Subcat 27S: Area - C3 12 Subcat 47S: Area - B3 (IMP) 13 Subcat 48S: Area - B4 14 Subcat D-3A: Direct Runoff to IB2 15 Subcat D-3B: Runoff to IB2 16 Subcat D-3C: Runoff to IB2 17 Subcat D-W2: Runoff to W2 18 Subcat DW-3: Wetland 3 19 Subcat E-1: Wetland 1 Tributary Area 20 Subcat E-2: NORTHEAST AREA 21 Subcat E-3: SOUTH AREA 22 Subcat OFF-1: SOUTH OFFSITE 23 Subcat OFF-2: OFF-2 24 Subcat OFF-IB2: Offiste Runoff to IB2 25 Subcat SW: SW Waterbody (undelineated water body) 26 Subcat W4: Wetland 4 Runoff 27 Pond 1P: Wetland 1 29 Pond 2P: Wetland 2 Erhart Farm 31 Pond 3P: SW Waterbody (undelineated water body) 33 Pond 7P: Undelineated Waterbody 35 Pond 17P: POND1 37 Pond 25P: POND2 39 Pond IB-2: IB-2 41 Pond W-3: Wetland 3 (Wetland C from TH 101) 43 Pond W-3A: Wetland 3A 45 Pond W-4: Wetland 4 1S 1S 2S 2S 3S 3S 4S Disturbed Area for Haul Road 5S 5S8S Wetland 18S Area - B3 (PERV) 19S Area - C2 (PERV)20S Area - C2 (IMP) 27S Area - C3 47S Area - B3 (IMP) 48S Area - B4 D-3A Direct Runoff to IB2 D-3B Runoff to IB2 D-3C Runoff to IB2 D-W2 Runoff to W2 DW-3 Wetland 3 E-1 Wetland 1 Tributary Area OFF-1 SOUTH OFFSITE OFF-2 OFF-2 OFF-IB2 Offiste Runoff to IB2 SW SW Waterbody (undelineated water body) W4 Wetland 4 Runoff 1P Pond 2P Filtration adjacent to Wetland 2 3P Wetland 1 4P Infiltration Basin 5P Disturbed Treatment Area 6P SW Waterbody (undelineated water body) 7P Undelineated Wetland 17P POND1 25P POND2 IB-2 IB-2 W-2 Wetland 2 Erhart Farm W-3 Wetland 3 (Wetland C from TH 101) W-3A Wetland 3A W-4 Wetland 4 Routing Diagram for 20090pdrn-snow Prepared by {enter your company name here}, Printed 9/28/2021 HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcat Reach Pond Link 20090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 2HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Rainfall Events Listing (selected events) Event# Event Name Storm Type Curve Mode Duration (hours) B/B Depth (inches) AMC 1 10 day-100 Yr Snow Snowmelt_10d_100yr Default 240.00 1 7.20 4 20090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 3HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area Listing (selected nodes) Area (acres) CN Description (subcatchment-numbers) 23.303 65 2 acre lots, 12% imp, HSG B (18S, 19S) 4.549 74 >75% Grass cover, Good, HSG C (D-3A, D-3B, D-3C, D-W2) 14.487 84 >75% Grass cover, Good, HSG D (1S, 2S, 3S, 5S) 10.159 80 >75% Grass cover, Good, HSG D (OFF-1, OFF-2) 0.547 84 Disturbed ground (4S) 0.643 98 Existing Impervious, HSG D (1S) 2.040 98 Imp - Pro Roadway (47S) 3.285 98 Imp - Pro roadway (20S) 1.922 98 Imp - ex parking lot (47S) 13.699 78 Meadow, non-grazed, HSG D (DW-3) 0.124 98 Paved roads w/curbs & sewers, HSG D (OFF-1) 1.008 98 Pond NWL (27S, 48S) 4.144 98 Proposed Impervious, HSG D (1S) 1.877 98 Roofs, HSG C (D-3A, D-3B, D-3C, D-W2) 1.373 98 Roofs, HSG D (OFF-2) 0.808 98 Unconnected roofs, HSG D (3S, SW, W4) 1.069 65 Upland (27S, 48S) 6.441 98 Water Surface, 0% imp, HSG D (8S, DW-3) 5.731 98 Water Surface, HSG D (SW) 7.524 98 Wetland (D-W2, W4) 3.086 60 Woods, Fair, HSG B (D-3A, D-3B, D-W2, OFF-IB2) 1.474 55 Woods, Good, HSG B (OFF-IB2) 22.418 77 Woods, Good, HSG D (1S, 2S, 3S, 8S, D-W2, E-1, W4) 37.533 82 Woods/grass comb., Fair, HSG D (SW, W4) 3.495 79 Woods/grass comb., Good, HSG D (8S) 172.739 81 TOTAL AREA 20090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 4HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Soil Listing (selected nodes) Area (acres) Soil Group Subcatchment Numbers 0.000 HSG A 27.863 HSG B 18S, 19S, D-3A, D-3B, D-W2, OFF-IB2 6.426 HSG C D-3A, D-3B, D-3C, D-W2 121.055 HSG D 1S, 2S, 3S, 5S, 8S, D-W2, DW-3, E-1, OFF-1, OFF-2, SW, W4 17.395 Other 4S, 20S, 27S, 47S, 48S, D-W2, W4 172.739 TOTAL AREA Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 5HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-400.00 hrs, dt=0.01 hrs, 40001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=21.165 ac 22.62% Impervious Runoff Depth=6.96"Subcatchment 1S: 1S Flow Length=160' Slope=0.0200 '/' Tc=11.8 min AMC Adjusted CN=WQ Runoff=4.04 cfs 12.277 af Runoff Area=0.748 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment 2S: 2S Flow Length=194' Tc=3.9 min AMC Adjusted CN=WQ Runoff=0.14 cfs 0.434 af Runoff Area=4.232 ac 10.66% Impervious Runoff Depth=6.96"Subcatchment 3S: 3S Flow Length=165' Slope=0.0634 '/' Tc=2.8 min AMC UI Adjusted CN=WQ Runoff=0.81 cfs 2.455 af Runoff Area=0.547 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment 4S: Disturbed Area for Haul Flow Length=266' Tc=10.2 min AMC Adjusted CN=98 Runoff=0.10 cfs 0.317 af Runoff Area=0.497 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment 5S: 5S Flow Length=194' Tc=3.9 min AMC Adjusted CN=98 Runoff=0.10 cfs 0.288 af Runoff Area=7.704 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment 8S: Wetland Flow Length=335' Slope=0.0596 '/' Tc=5.6 min AMC Adjusted CN=WQ Runoff=1.47 cfs 4.469 af Runoff Area=3.710 ac 12.00% Impervious Runoff Depth=6.96"Subcatchment 18S: Area - B3 (PERV) Tc=20.0 min AMC Adjusted CN=98 Runoff=0.71 cfs 2.152 af Runoff Area=19.593 ac 12.00% Impervious Runoff Depth=6.96"Subcatchment 19S: Area - C2 (PERV) Tc=20.0 min AMC Adjusted CN=98 Runoff=3.72 cfs 11.365 af Runoff Area=3.285 ac 100.00% Impervious Runoff Depth=6.96"Subcatchment 20S: Area - C2 (IMP) Tc=20.0 min CN=98 Runoff=0.62 cfs 1.906 af Runoff Area=1.285 ac 52.76% Impervious Runoff Depth=6.96"Subcatchment 27S: Area - C3 Tc=5.0 min AMC Adjusted CN=WQ Runoff=0.25 cfs 0.745 af Runoff Area=3.962 ac 100.00% Impervious Runoff Depth=6.96"Subcatchment 47S: Area - B3 (IMP) Tc=20.0 min CN=WQ Runoff=0.75 cfs 2.298 af Runoff Area=0.792 ac 41.67% Impervious Runoff Depth=6.96"Subcatchment 48S: Area - B4 Tc=5.0 min AMC Adjusted CN=WQ Runoff=0.15 cfs 0.459 af Runoff Area=1.176 ac 7.31% Impervious Runoff Depth=6.96"Subcatchment D-3A: Direct Runoff to IB2 Tc=5.0 min AMC Adjusted CN=WQ Runoff=0.22 cfs 0.682 af Runoff Area=1.414 ac 43.35% Impervious Runoff Depth=6.96"Subcatchment D-3B: Runoff to IB2 Tc=9.5 min AMC Adjusted CN=WQ Runoff=0.27 cfs 0.820 af Runoff Area=1.658 ac 54.89% Impervious Runoff Depth=6.96"Subcatchment D-3C: Runoff to IB2 Tc=8.2 min AMC Adjusted CN=WQ Runoff=0.32 cfs 0.962 af Runoff Area=11.436 ac 28.69% Impervious Runoff Depth=6.96"Subcatchment D-W2: Runoff to W2 Flow Length=590' Tc=14.9 min AMC Adjusted CN=WQ Runoff=2.18 cfs 6.634 af Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 6HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Runoff Area=19.612 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment DW-3: Wetland 3 Tc=8.0 min AMC Adjusted CN=WQ Runoff=3.75 cfs 11.376 af Runoff Area=0.302 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment E-1: Wetland 1 Tributary Area Flow Length=101' Slope=0.0146 '/' Tc=4.6 min AMC Adjusted CN=98 Runoff=0.06 cfs 0.175 af Runoff Area=1.032 ac 12.02% Impervious Runoff Depth=6.96"Subcatchment OFF-1: SOUTH OFFSITE Flow Length=433' Slope=0.0276 '/' Tc=9.2 min AMC Adjusted CN=WQ Runoff=0.20 cfs 0.599 af Runoff Area=462,782 sf 12.92% Impervious Runoff Depth=6.96"Subcatchment OFF-2: OFF-2 Flow Length=647' Slope=0.0340 '/' Tc=11.4 min AMC Adjusted CN=WQ Runoff=2.03 cfs 6.163 af Runoff Area=2.070 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment OFF-IB2: Offiste Runoff to IB2 Flow Length=430' Slope=0.0200 '/' Tc=21.9 min AMC Adjusted CN=WQ Runoff=0.39 cfs 1.201 af Runoff Area=35.775 ac 16.69% Impervious Runoff Depth=6.96"Subcatchment SW: SW Waterbody Flow Length=678' Slope=0.0479 '/' Tc=9.0 min AMC UI Adjusted CN=WQ Runoff=6.83 cfs 20.752 af Runoff Area=20.120 ac 23.00% Impervious Runoff Depth=6.96"Subcatchment W4: Wetland 4 Runoff Flow Length=640' Slope=0.0400 '/' Tc=9.8 min AMC UI Adjusted CN=WQ Runoff=3.84 cfs 11.671 af Peak Elev=882.32' Storage=69,927 cf Inflow=4.29 cfs 12.985 afPond 1P: Pond Primary=4.24 cfs 12.985 af Secondary=0.00 cfs 0.000 af Outflow=4.24 cfs 12.985 af Peak Elev=881.99' Storage=1,011 cf Inflow=0.10 cfs 0.288 afPond 2P: Filtration adjacent to Wetland 2 Outflow=0.10 cfs 0.265 af Peak Elev=905.34' Storage=2,918 cf Inflow=0.06 cfs 0.175 afPond 3P: Wetland 1 Outflow=0.06 cfs 0.109 af Peak Elev=882.19' Storage=31,551 cf Inflow=4.24 cfs 12.985 afPond 4P: Infiltration Basin Primary=4.22 cfs 12.349 af Secondary=0.00 cfs 0.000 af Outflow=4.22 cfs 12.349 af Peak Elev=905.44' Storage=2,689 cf Inflow=0.10 cfs 0.317 afPond 5P: Disturbed Treatment Area Primary=0.10 cfs 0.269 af Secondary=0.00 cfs 0.000 af Outflow=0.10 cfs 0.269 af Peak Elev=900.78' Storage=190,441 cf Inflow=6.83 cfs 20.752 afPond 6P: SW Waterbody (undelineated Outflow=3.79 cfs 20.188 af Peak Elev=896.35' Storage=32,409 cf Inflow=4.78 cfs 24.657 afPond 7P: Undelineated Wetland Outflow=4.78 cfs 24.057 af Peak Elev=876.56' Storage=65,529 cf Inflow=1.61 cfs 4.910 afPond 17P: POND1 Outflow=1.53 cfs 4.908 af Peak Elev=876.93' Storage=3.142 af Inflow=4.59 cfs 14.016 afPond 25P: POND2 Outflow=4.30 cfs 14.010 af Peak Elev=893.57' Storage=20,292 cf Inflow=1.20 cfs 3.665 afPond IB-2: IB-2 Outflow=0.62 cfs 3.619 af Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 7HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Peak Elev=879.09' Storage=12,861 cf Inflow=10.75 cfs 46.938 afPond W-2: Wetland 2 Erhart Farm Outflow=10.72 cfs 46.936 af Peak Elev=876.10' Storage=1,135,179 cf Inflow=26.85 cfs 98.197 afPond W-3: Wetland 3 (Wetland C from 28.5" x 18.0", R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' Outflow=11.39 cfs 97.553 af Peak Elev=892.91' Storage=2,044 cf Inflow=8.05 cfs 35.988 afPond W-3A: Wetland 3A Outflow=8.04 cfs 35.987 af Peak Elev=894.23' Storage=48,087 cf Inflow=8.52 cfs 35.997 afPond W-4: Wetland 4 Outflow=8.05 cfs 35.988 af Total Runoff Area = 172.739 ac Runoff Volume = 100.200 af Average Runoff Depth = 6.96" 80.74% Pervious = 139.464 ac 19.26% Impervious = 33.275 ac Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 8HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 1S: 1S Runoff = 4.04 cfs @ 121.32 hrs, Volume= 12.277 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description * 12.169 84 98 >75% Grass cover, Good, HSG D * 4.144 98 98 Proposed Impervious, HSG D * 0.643 98 98 Existing Impervious, HSG D 4.209 77 98 Woods, Good, HSG D 21.165 Weighted Average 16.378 77.38% Pervious Area 4.787 22.62% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.3 100 0.0200 0.16 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.5 60 0.0200 2.12 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 1.0 Direct Entry, Pipe Flow 11.8 160 Total Subcatchment 1S: 1S Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=21.165 ac Runoff Volume=12.277 af Runoff Depth=6.96" Flow Length=160' Slope=0.0200 '/' Tc=11.8 min AMC Adjusted CN=WQ 4.04 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 9HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 2S: 2S Runoff = 0.14 cfs @ 121.23 hrs, Volume= 0.434 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description * 0.126 84 98 >75% Grass cover, Good, HSG D 0.622 77 98 Woods, Good, HSG D 0.748 Weighted Average 0.748 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.5 65 0.1231 0.31 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.4 129 0.1130 5.04 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 3.9 194 Total Subcatchment 2S: 2S Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.748 ac Runoff Volume=0.434 af Runoff Depth=6.96" Flow Length=194' Tc=3.9 min AMC Adjusted CN=WQ 0.14 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 10HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 3S: 3S Runoff = 0.81 cfs @ 121.22 hrs, Volume= 2.455 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description * 1.695 84 98 >75% Grass cover, Good, HSG D 0.451 98 98 Unconnected roofs, HSG D 2.086 77 98 Woods, Good, HSG D 4.232 Weighted Average 3.781 89.34% Pervious Area 0.451 10.66% Impervious Area 0.451 100.00% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.8 165 0.0634 0.98 Lag/CN Method, Subcatchment 3S: 3S Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.9 0.85 0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=4.232 ac Runoff Volume=2.455 af Runoff Depth=6.96" Flow Length=165' Slope=0.0634 '/' Tc=2.8 min AMC UI Adjusted CN=WQ 0.81 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 11HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 4S: Disturbed Area for Haul Road Runoff = 0.10 cfs @ 121.30 hrs, Volume= 0.317 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description * 0.547 84 98 Disturbed ground 0.547 Weighted Average 0.547 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 56 0.0200 0.10 Sheet Flow, Grass: Dense n= 0.240 P2= 2.87" 0.7 210 0.1000 4.74 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 10.2 266 Total Subcatchment 4S: Disturbed Area for Haul Road Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.115 0.11 0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.547 ac Runoff Volume=0.317 af Runoff Depth=6.96" Flow Length=266' Tc=10.2 min AMC Adjusted CN=98 0.10 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 12HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 5S: 5S Runoff = 0.10 cfs @ 121.23 hrs, Volume= 0.288 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description * 0.497 84 98 >75% Grass cover, Good, HSG D 0.497 Weighted Average 0.497 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.5 65 0.1231 0.31 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.4 129 0.1130 5.04 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 3.9 194 Total Subcatchment 5S: 5S Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.497 ac Runoff Volume=0.288 af Runoff Depth=6.96" Flow Length=194' Tc=3.9 min AMC Adjusted CN=98 0.10 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 13HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 8S: Wetland Runoff = 1.47 cfs @ 121.24 hrs, Volume= 4.469 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 3.495 79 98 Woods/grass comb., Good, HSG D 0.528 98 98 Water Surface, 0% imp, HSG D 3.681 77 98 Woods, Good, HSG D 7.704 Weighted Average 7.704 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.6 335 0.0596 1.00 Lag/CN Method, Subcatchment 8S: Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=7.704 ac Runoff Volume=4.469 af Runoff Depth=6.96" Flow Length=335' Slope=0.0596 '/' Tc=5.6 min AMC Adjusted CN=WQ 1.47 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 14HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 18S: Area - B3 (PERV) Runoff = 0.71 cfs @ 121.40 hrs, Volume= 2.152 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 3.710 65 98 2 acre lots, 12% imp, HSG B 3.710 Weighted Average 3.265 88.00% Pervious Area 0.445 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Subcatchment 18S: Area - B3 (PERV) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=3.710 ac Runoff Volume=2.152 af Runoff Depth=6.96" Tc=20.0 min AMC Adjusted CN=98 0.71 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 15HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 19S: Area - C2 (PERV) Runoff = 3.72 cfs @ 121.40 hrs, Volume= 11.365 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 19.593 65 98 2 acre lots, 12% imp, HSG B 19.593 Weighted Average 17.242 88.00% Pervious Area 2.351 12.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Subcatchment 19S: Area - C2 (PERV) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=19.593 ac Runoff Volume=11.365 af Runoff Depth=6.96" Tc=20.0 min AMC Adjusted CN=98 3.72 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 16HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 20S: Area - C2 (IMP) Runoff = 0.62 cfs @ 121.40 hrs, Volume= 1.906 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Description * 3.285 98 Imp - Pro roadway 3.285 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Subcatchment 20S: Area - C2 (IMP) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=3.285 ac Runoff Volume=1.906 af Runoff Depth=6.96" Tc=20.0 min CN=98 0.62 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 17HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 27S: Area - C3 Runoff = 0.25 cfs @ 121.24 hrs, Volume= 0.745 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description * 0.607 65 98 Upland * 0.678 98 98 Pond NWL 1.285 Weighted Average 0.607 47.24% Pervious Area 0.678 52.76% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 27S: Area - C3 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=1.285 ac Runoff Volume=0.745 af Runoff Depth=6.96" Tc=5.0 min AMC Adjusted CN=WQ 0.25 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 18HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 47S: Area - B3 (IMP) Runoff = 0.75 cfs @ 121.40 hrs, Volume= 2.298 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Description * 1.922 98 Imp - ex parking lot * 2.040 98 Imp - Pro Roadway 3.962 Weighted Average 3.962 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Subcatchment 47S: Area - B3 (IMP) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=3.962 ac Runoff Volume=2.298 af Runoff Depth=6.96" Tc=20.0 min CN=WQ 0.75 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 19HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 48S: Area - B4 Runoff = 0.15 cfs @ 121.24 hrs, Volume= 0.459 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description * 0.330 98 98 Pond NWL * 0.462 65 98 Upland 0.792 Weighted Average 0.462 58.33% Pervious Area 0.330 41.67% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 48S: Area - B4 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.792 ac Runoff Volume=0.459 af Runoff Depth=6.96" Tc=5.0 min AMC Adjusted CN=WQ 0.15 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 20HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment D-3A: Direct Runoff to IB2 Runoff = 0.22 cfs @ 121.24 hrs, Volume= 0.682 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.086 98 98 Roofs, HSG C 1.051 74 98 >75% Grass cover, Good, HSG C 0.039 60 98 Woods, Fair, HSG B 1.176 Weighted Average 1.090 92.69% Pervious Area 0.086 7.31% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment D-3A: Direct Runoff to IB2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.25 0.24 0.23 0.22 0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=1.176 ac Runoff Volume=0.682 af Runoff Depth=6.96" Tc=5.0 min AMC Adjusted CN=WQ 0.22 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 21HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment D-3B: Runoff to IB2 Runoff = 0.27 cfs @ 121.29 hrs, Volume= 0.820 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.613 98 98 Roofs, HSG C 0.135 60 98 Woods, Fair, HSG B 0.666 74 98 >75% Grass cover, Good, HSG C 1.414 Weighted Average 0.801 56.65% Pervious Area 0.613 43.35% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.5 Direct Entry, Subcatchment D-3B: Runoff to IB2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=1.414 ac Runoff Volume=0.820 af Runoff Depth=6.96" Tc=9.5 min AMC Adjusted CN=WQ 0.27 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 22HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment D-3C: Runoff to IB2 Runoff = 0.32 cfs @ 121.28 hrs, Volume= 0.962 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.910 98 98 Roofs, HSG C 0.748 74 98 >75% Grass cover, Good, HSG C 1.658 Weighted Average 0.748 45.11% Pervious Area 0.910 54.89% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.2 Direct Entry, Subcatchment D-3C: Runoff to IB2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=1.658 ac Runoff Volume=0.962 af Runoff Depth=6.96" Tc=8.2 min AMC Adjusted CN=WQ 0.32 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 23HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment D-W2: Runoff to W2 Runoff = 2.18 cfs @ 121.37 hrs, Volume= 6.634 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.268 98 98 Roofs, HSG C 2.316 60 98 Woods, Fair, HSG B * 3.013 98 98 Wetland 2.084 74 98 >75% Grass cover, Good, HSG C 3.755 77 98 Woods, Good, HSG D 11.436 Weighted Average 8.155 71.31% Pervious Area 3.281 28.69% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.4 400 0.1300 1.53 Lag/CN Method, 10.5 190 0.0700 0.30 Sheet Flow, backyard swale Grass: Short n= 0.150 P2= 2.87" 14.9 590 Total Subcatchment D-W2: Runoff to W2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=11.436 ac Runoff Volume=6.634 af Runoff Depth=6.96" Flow Length=590' Tc=14.9 min AMC Adjusted CN=WQ 2.18 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 24HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment DW-3: Wetland 3 Runoff = 3.75 cfs @ 121.27 hrs, Volume= 11.376 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 5.913 98 98 Water Surface, 0% imp, HSG D 13.699 78 98 Meadow, non-grazed, HSG D 19.612 Weighted Average 19.612 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Subcatchment DW-3: Wetland 3 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=19.612 ac Runoff Volume=11.376 af Runoff Depth=6.96" Tc=8.0 min AMC Adjusted CN=WQ 3.75 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 25HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment E-1: Wetland 1 Tributary Area Runoff = 0.06 cfs @ 121.24 hrs, Volume= 0.175 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.302 77 98 Woods, Good, HSG D 0.302 Weighted Average 0.302 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.6 101 0.0146 0.37 Lag/CN Method, Subcatchment E-1: Wetland 1 Tributary Area Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.302 ac Runoff Volume=0.175 af Runoff Depth=6.96" Flow Length=101' Slope=0.0146 '/' Tc=4.6 min AMC Adjusted CN=98 0.06 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 26HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-1: SOUTH OFFSITE Runoff = 0.20 cfs @ 121.29 hrs, Volume= 0.599 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.908 80 98 >75% Grass cover, Good, HSG D 0.124 98 98 Paved roads w/curbs & sewers, HSG D 1.032 Weighted Average 0.908 87.98% Pervious Area 0.124 12.02% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.2 433 0.0276 0.79 Lag/CN Method, Subcatchment OFF-1: SOUTH OFFSITE Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.22 0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=1.032 ac Runoff Volume=0.599 af Runoff Depth=6.96" Flow Length=433' Slope=0.0276 '/' Tc=9.2 min AMC Adjusted CN=WQ 0.20 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 27HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-2: OFF-2 Runoff = 2.03 cfs @ 121.31 hrs, Volume= 6.163 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (sf) CN Adj Description 59,808 98 98 Roofs, HSG D 402,974 80 98 >75% Grass cover, Good, HSG D 462,782 Weighted Average 402,974 87.08% Pervious Area 59,808 12.92% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 11.4 647 0.0340 0.94 Lag/CN Method, Subcatchment OFF-2: OFF-2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=462,782 sf Runoff Volume=6.163 af Runoff Depth=6.96" Flow Length=647' Slope=0.0340 '/' Tc=11.4 min AMC Adjusted CN=WQ 2.03 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 28HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff = 0.39 cfs @ 121.45 hrs, Volume= 1.201 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.596 60 98 Woods, Fair, HSG B 1.474 55 98 Woods, Good, HSG B 2.070 Weighted Average 2.070 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 21.9 430 0.0200 0.33 Lag/CN Method, Subcatchment OFF-IB2: Offiste Runoff to IB2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=2.070 ac Runoff Volume=1.201 af Runoff Depth=6.96" Flow Length=430' Slope=0.0200 '/' Tc=21.9 min AMC Adjusted CN=WQ 0.39 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 29HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment SW: SW Waterbody (undelineated water body) Runoff = 6.83 cfs @ 121.29 hrs, Volume= 20.752 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.240 98 98 Unconnected roofs, HSG D 5.731 98 98 Water Surface, HSG D 29.804 82 98 Woods/grass comb., Fair, HSG D 35.775 Weighted Average 29.804 83.31% Pervious Area 5.971 16.69% Impervious Area 0.240 4.02% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.0 678 0.0479 1.25 Lag/CN Method, Subcatchment SW: SW Waterbody (undelineated water body) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)7 6 5 4 3 2 1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=35.775 ac Runoff Volume=20.752 af Runoff Depth=6.96" Flow Length=678' Slope=0.0479 '/' Tc=9.0 min AMC UI Adjusted CN=WQ 6.83 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 30HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment W4: Wetland 4 Runoff Runoff = 3.84 cfs @ 121.29 hrs, Volume= 11.671 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description * 4.511 98 98 Wetland 7.763 77 98 Woods, Good, HSG D 7.729 82 98 Woods/grass comb., Fair, HSG D 0.117 98 98 Unconnected roofs, HSG D 20.120 Weighted Average 15.492 77.00% Pervious Area 4.628 23.00% Impervious Area 0.117 2.53% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.8 640 0.0400 1.09 Lag/CN Method, Subcatchment W4: Wetland 4 Runoff Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=20.120 ac Runoff Volume=11.671 af Runoff Depth=6.96" Flow Length=640' Slope=0.0400 '/' Tc=9.8 min AMC UI Adjusted CN=WQ 3.84 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 31HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 1P: Pond Inflow Area = 22.499 ac, 21.83% Impervious, Inflow Depth = 6.93" for 10 day-100 Yr Snow event Inflow = 4.29 cfs @ 121.32 hrs, Volume= 12.985 af Outflow = 4.24 cfs @ 121.43 hrs, Volume= 12.985 af, Atten= 1%, Lag= 7.0 min Primary = 4.24 cfs @ 121.43 hrs, Volume= 12.985 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Starting Elev= 882.00' Surf.Area= 35,975 sf Storage= 63,977 cf Peak Elev= 882.32' @ 121.46 hrs Surf.Area= 36,669 sf Storage= 69,927 cf (5,950 cf above start) Plug-Flow detention time= 1,414.0 min calculated for 11.516 af (89% of inflow) Center-of-Mass det. time= 40.9 min ( 7,443.3 - 7,402.4 ) Volume Invert Avail.Storage Storage Description #1 872.00' 63,977 cf Dead Storage (Prismatic) Listed below (Recalc) #2 882.00' 89,285 cf Live Storage (Prismatic) Listed below (Recalc) 153,262 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 872.00 1,179 0 0 874.00 2,589 3,768 3,768 876.00 4,525 7,114 10,882 878.00 6,736 11,261 22,143 880.00 9,721 16,457 38,600 881.00 11,522 10,622 49,222 882.00 17,988 14,755 63,977 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 882.00 17,987 0 0 884.00 22,265 40,252 40,252 886.00 26,768 49,033 89,285 Device Routing Invert Outlet Devices #1 Primary 880.68'27.0" Round Culvert L= 55.2' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 880.68' / 880.50' S= 0.0033 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #2 Primary 880.57'27.0" Round Culvert L= 23.8' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 880.57' / 880.50' S= 0.0029 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #3 Device 1 882.00'5.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 #4 Device 2 882.00'5.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 32HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC #5 Secondary 884.00'193.1' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=4.24 cfs @ 121.43 hrs HW=882.32' TW=882.19' (Dynamic Tailwater) 1=Culvert (Passes 2.12 cfs of 5.00 cfs potential flow) 3=Broad-Crested Rectangular Weir (Weir Controls 2.12 cfs @ 1.31 fps) 2=Culvert (Passes 2.12 cfs of 5.99 cfs potential flow) 4=Broad-Crested Rectangular Weir (Weir Controls 2.12 cfs @ 1.31 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=882.00' TW=880.50' (Dynamic Tailwater) 5=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Pond 1P: Pond Inflow Outflow Primary Secondary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 Inflow Area=22.499 ac Peak Elev=882.32' Storage=69,927 cf 4.29 cfs4.24 cfs4.24 cfs 0.00 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 33HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 2P: Filtration adjacent to Wetland 2 Inflow Area = 0.497 ac, 0.00% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 0.10 cfs @ 121.23 hrs, Volume= 0.288 af Outflow = 0.10 cfs @ 121.24 hrs, Volume= 0.265 af, Atten= 0%, Lag= 0.5 min Secondary = 0.10 cfs @ 121.24 hrs, Volume= 0.265 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 881.99' @ 121.24 hrs Surf.Area= 3,731 sf Storage= 1,011 cf Plug-Flow detention time= 1,008.7 min calculated for 0.265 af (92% of inflow) Center-of-Mass det. time= 493.9 min ( 7,873.9 - 7,379.9 ) Volume Invert Avail.Storage Storage Description #1 879.85' 103 cf Infiltration Volume (Prismatic) Listed below (Recalc) 342 cf Overall x 30.0% Voids #2 880.17' 479 cf Filtration Volume (Prismatic) Listed below (Recalc) 1,596 cf Overall x 30.0% Voids #3 881.67' 1,246 cf Live Storage (Prismatic) Listed below (Recalc) 1,827 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.85 1,070 0 0 880.17 1,070 342 342 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 880.17 1,064 0 0 881.67 1,064 1,596 1,596 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 881.67 1,064 0 0 882.00 1,609 441 441 882.50 1,609 805 1,246 Device Routing Invert Outlet Devices #1 Secondary 881.99'275.3' long x 1.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 Coef. (English) 2.69 2.72 2.75 2.85 2.98 3.08 3.20 3.28 3.31 3.30 3.31 3.32 Secondary OutFlow Max=0.10 cfs @ 121.24 hrs HW=881.99' TW=879.09' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 0.10 cfs @ 0.14 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 34HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 2P: Filtration adjacent to Wetland 2 Inflow Secondary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Inflow Area=0.497 ac Peak Elev=881.99' Storage=1,011 cf 0.10 cfs0.10 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 35HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 3P: Wetland 1 Inflow Area = 0.302 ac, 0.00% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 0.06 cfs @ 121.24 hrs, Volume= 0.175 af Outflow = 0.06 cfs @ 121.32 hrs, Volume= 0.109 af, Atten= 1%, Lag= 4.9 min Primary = 0.06 cfs @ 121.32 hrs, Volume= 0.109 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 905.34' @ 121.32 hrs Surf.Area= 4,690 sf Storage= 2,918 cf Plug-Flow detention time= 3,651.1 min calculated for 0.109 af (62% of inflow) Center-of-Mass det. time= 1,818.1 min ( 9,198.7 - 7,380.6 ) Volume Invert Avail.Storage Storage Description #1 904.20' 3,679 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.20 134 0 0 904.40 408 54 54 904.60 1,089 150 204 904.80 3,690 478 682 905.00 3,969 766 1,448 905.20 4,340 831 2,279 905.40 4,834 917 3,196 905.50 4,834 483 3,679 Device Routing Invert Outlet Devices #1 Primary 905.33'14.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) Primary OutFlow Max=0.06 cfs @ 121.32 hrs HW=905.34' TW=882.32' (Dynamic Tailwater) 1=Sharp-Crested Rectangular Weir (Weir Controls 0.06 cfs @ 0.35 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 36HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 3P: Wetland 1 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Inflow Area=0.302 ac Peak Elev=905.34' Storage=2,918 cf 0.06 cfs0.06 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 37HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 4P: Infiltration Basin Inflow Area = 22.499 ac, 21.83% Impervious, Inflow Depth = 6.93" for 10 day-100 Yr Snow event Inflow = 4.24 cfs @ 121.43 hrs, Volume= 12.985 af Outflow = 4.22 cfs @ 121.57 hrs, Volume= 12.349 af, Atten= 0%, Lag= 8.3 min Primary = 4.22 cfs @ 121.57 hrs, Volume= 12.349 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 882.19' @ 121.57 hrs Surf.Area= 40,470 sf Storage= 31,551 cf Plug-Flow detention time= 663.7 min calculated for 12.349 af (95% of inflow) Center-of-Mass det. time= 338.1 min ( 7,781.4 - 7,443.3 ) Volume Invert Avail.Storage Storage Description #1 880.50' 27,728 cf Infiltration Volume (Prismatic) Listed below (Recalc) #2 882.00' 99,054 cf Live Storage (Prismatic) Listed below (Recalc) 126,782 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 880.50 16,941 0 0 882.00 20,029 27,728 27,728 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 882.00 19,997 0 0 884.00 24,697 44,694 44,694 886.00 29,663 54,360 99,054 Device Routing Invert Outlet Devices #1 Primary 878.17'27.0" Round Culvert L= 52.0' RCP, mitered to conform to fill, Ke= 0.700 Inlet / Outlet Invert= 878.17' / 878.00' S= 0.0033 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.98 sf #2 Device 1 882.00'60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 885.90'5.0' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=4.22 cfs @ 121.57 hrs HW=882.19' TW=875.84' (Dynamic Tailwater) 1=Culvert (Passes 4.22 cfs of 28.74 cfs potential flow) 2=Orifice/Grate (Weir Controls 4.22 cfs @ 1.42 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=880.50' TW=874.63' (Dynamic Tailwater) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 38HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 4P: Infiltration Basin Inflow Outflow Primary Secondary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 Inflow Area=22.499 ac Peak Elev=882.19' Storage=31,551 cf 4.24 cfs4.22 cfs4.22 cfs 0.00 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 39HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 5P: Disturbed Treatment Area Inflow Area = 0.547 ac, 0.00% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 0.10 cfs @ 121.30 hrs, Volume= 0.317 af Outflow = 0.10 cfs @ 121.71 hrs, Volume= 0.269 af, Atten= 5%, Lag= 24.7 min Primary = 0.10 cfs @ 121.71 hrs, Volume= 0.269 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 905.44' @ 121.71 hrs Surf.Area= 3,169 sf Storage= 2,689 cf Plug-Flow detention time= 1,992.8 min calculated for 0.269 af (85% of inflow) Center-of-Mass det. time= 1,079.7 min ( 8,465.5 - 7,385.8 ) Volume Invert Avail.Storage Storage Description #1 904.50' 6,339 cf Live Storage (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.50 2,570 0 0 906.00 3,529 4,574 4,574 906.50 3,529 1,765 6,339 Device Routing Invert Outlet Devices #1 Primary 905.25'6.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #2 Secondary 906.00'61.9' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=0.10 cfs @ 121.71 hrs HW=905.44' TW=894.23' (Dynamic Tailwater) 1=Orifice/Grate (Orifice Controls 0.10 cfs @ 1.47 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=904.50' TW=894.00' (Dynamic Tailwater) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 40HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 5P: Disturbed Treatment Area Inflow Outflow Primary Secondary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.115 0.11 0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Inflow Area=0.547 ac Peak Elev=905.44' Storage=2,689 cf 0.10 cfs 0.10 cfs0.10 cfs 0.00 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 41HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 6P: SW Waterbody (undelineated water body) Inflow Area = 35.775 ac, 16.69% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 6.83 cfs @ 121.29 hrs, Volume= 20.752 af Outflow = 3.79 cfs @ 124.56 hrs, Volume= 20.188 af, Atten= 45%, Lag= 196.3 min Primary = 3.79 cfs @ 124.56 hrs, Volume= 20.188 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 900.78' @ 124.56 hrs Surf.Area= 277,950 sf Storage= 190,441 cf Plug-Flow detention time= 1,402.6 min calculated for 20.188 af (97% of inflow) Center-of-Mass det. time= 1,218.2 min ( 8,602.9 - 7,384.7 ) Volume Invert Avail.Storage Storage Description #1 900.00' 537,615 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 900.00 90,358 0 0 900.20 256,659 34,702 34,702 901.00 285,893 217,021 251,722 902.00 285,893 285,893 537,615 Device Routing Invert Outlet Devices #1 Primary 900.15'2.3' long Sharp-Crested Vee/Trap Weir Cv= 2.62 (C= 3.28) Primary OutFlow Max=3.79 cfs @ 124.56 hrs HW=900.78' TW=896.34' (Dynamic Tailwater) 1=Sharp-Crested Vee/Trap Weir (Weir Controls 3.79 cfs @ 2.60 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 42HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 6P: SW Waterbody (undelineated water body) Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)7 6 5 4 3 2 1 0 Inflow Area=35.775 ac Peak Elev=900.78' Storage=190,441 cf 6.83 cfs 3.79 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 43HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 7P: Undelineated Wetland Inflow Area = 43.479 ac, 13.73% Impervious, Inflow Depth > 6.81" for 10 day-100 Yr Snow event Inflow = 4.78 cfs @ 122.46 hrs, Volume= 24.657 af Outflow = 4.78 cfs @ 122.73 hrs, Volume= 24.057 af, Atten= 0%, Lag= 16.2 min Primary = 4.78 cfs @ 122.73 hrs, Volume= 24.057 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 896.35' @ 122.73 hrs Surf.Area= 24,792 sf Storage= 32,409 cf Plug-Flow detention time= 407.6 min calculated for 24.057 af (98% of inflow) Center-of-Mass det. time= 193.9 min ( 8,575.4 - 8,381.5 ) Volume Invert Avail.Storage Storage Description #1 895.00' 73,404 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 895.00 23,009 0 0 896.09 24,792 26,052 26,052 897.00 24,792 22,561 48,612 898.00 24,792 24,792 73,404 Device Routing Invert Outlet Devices #1 Primary 896.09'13.7' long x 22.6' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=4.78 cfs @ 122.73 hrs HW=896.35' TW=894.23' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 4.78 cfs @ 1.36 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 44HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 7P: Undelineated Wetland Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 Inflow Area=43.479 ac Peak Elev=896.35' Storage=32,409 cf 4.78 cfs4.78 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 45HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 17P: POND1 Inflow Area = 8.464 ac, 55.97% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 1.61 cfs @ 121.40 hrs, Volume= 4.910 af Outflow = 1.53 cfs @ 121.81 hrs, Volume= 4.908 af, Atten= 4%, Lag= 24.9 min Primary = 1.53 cfs @ 121.81 hrs, Volume= 4.908 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 14,344 sf Storage= 57,207 cf Peak Elev= 876.56' @ 121.81 hrs Surf.Area= 15,362 sf Storage= 65,529 cf (8,322 cf above start) Plug-Flow detention time= 2,999.6 min calculated for 3.595 af (73% of inflow) Center-of-Mass det. time= 201.1 min ( 7,594.7 - 7,393.6 ) Volume Invert Avail.Storage Storage Description #1 866.00' 151,629 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 866.00 991 0 0 875.00 9,115 45,477 45,477 876.00 14,344 11,730 57,207 881.00 23,425 94,423 151,629 Device Routing Invert Outlet Devices #1 Primary 876.00'18.0" Round Culvert L= 48.0' Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0833 '/' Cc= 0.900 n= 0.013, Flow Area= 1.77 sf #2 Primary 879.50'10.0' long x 4.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.38 2.54 2.69 2.68 2.67 2.67 2.65 2.66 2.66 2.68 2.72 2.73 2.76 2.79 2.88 3.07 3.32 Primary OutFlow Max=1.53 cfs @ 121.81 hrs HW=876.56' TW=875.86' (Dynamic Tailwater) 1=Culvert (Inlet Controls 1.53 cfs @ 2.55 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 46HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 17P: POND1 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 Inflow Area=8.464 ac Peak Elev=876.56' Storage=65,529 cf 1.61 cfs 1.53 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 47HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 25P: POND2 Inflow Area = 24.163 ac, 26.13% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 4.59 cfs @ 121.40 hrs, Volume= 14.016 af Outflow = 4.30 cfs @ 121.94 hrs, Volume= 14.010 af, Atten= 6%, Lag= 32.7 min Primary = 4.30 cfs @ 121.94 hrs, Volume= 14.010 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Starting Elev= 876.00' Surf.Area= 0.678 ac Storage= 2.491 af Peak Elev= 876.93' @ 121.94 hrs Surf.Area= 0.716 ac Storage= 3.142 af (0.651 af above start) Plug-Flow detention time= 2,255.2 min calculated for 11.520 af (82% of inflow) Center-of-Mass det. time= 237.8 min ( 7,631.9 - 7,394.1 ) Volume Invert Avail.Storage Storage Description #1 869.00' 5.535 af Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (acres) (acre-feet) (acre-feet) 869.00 0.163 0.000 0.000 870.00 0.213 0.188 0.188 871.00 0.264 0.239 0.427 872.00 0.317 0.290 0.717 873.00 0.370 0.343 1.061 874.00 0.425 0.397 1.458 875.00 0.481 0.453 1.911 876.00 0.678 0.579 2.491 877.00 0.719 0.698 3.189 878.00 0.761 0.740 3.929 879.00 0.803 0.782 4.711 880.00 0.846 0.824 5.535 Device Routing Invert Outlet Devices #1 Primary 876.00'21.0" Round Culvert L= 50.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet / Outlet Invert= 872.00' / 876.00' S= -0.0800 '/' Cc= 0.900 n= 0.013, Flow Area= 2.41 sf #2 Primary 879.00'10.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=4.30 cfs @ 121.94 hrs HW=876.93' TW=875.87' (Dynamic Tailwater) 1=Culvert (Inlet Controls 4.30 cfs @ 3.29 fps) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 48HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 25P: POND2 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 Inflow Area=24.163 ac Peak Elev=876.93' Storage=3.142 af 4.59 cfs 4.30 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 49HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond IB-2: IB-2 Inflow Area = 6.318 ac, 25.47% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 1.20 cfs @ 121.30 hrs, Volume= 3.665 af Outflow = 0.62 cfs @ 125.11 hrs, Volume= 3.619 af, Atten= 49%, Lag= 228.9 min Primary = 0.62 cfs @ 125.11 hrs, Volume= 3.619 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 893.57' @ 125.11 hrs Surf.Area= 16,529 sf Storage= 20,292 cf Plug-Flow detention time= 464.4 min calculated for 3.619 af (99% of inflow) Center-of-Mass det. time= 377.7 min ( 7,765.5 - 7,387.8 ) Volume Invert Avail.Storage Storage Description #1 891.00' 1,453 cf Infiltration Volume (D soils) (Prismatic) Listed below (Recalc) #2 891.24' 44,087 cf Live Storage (Prismatic) Listed below (Recalc) #3 890.00' 277 cf Forebay 1 (Prismatic) Listed below (Recalc) #4 890.00' 250 cf Forebay 2 (Prismatic) Listed below (Recalc) 46,066 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.00 5,475 0 0 891.24 6,632 1,453 1,453 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 891.24 6,632 0 0 892.00 7,418 5,339 5,339 894.00 9,630 17,048 22,387 896.00 12,070 21,700 44,087 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 160 0 0 891.00 393 277 277 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 890.00 146 0 0 891.00 354 250 250 Device Routing Invert Outlet Devices #1 Primary 886.70'12.0" Round 12" Outlet Pipe L= 87.4' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 886.70' / 886.00' S= 0.0080 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 0.79 sf #2 Device 1 891.24'4.0" Vert. 4" Orifice C= 0.600 Limited to weir flow at low heads #3 Device 1 893.80'4.0' long x 0.5' breadth Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 50HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Primary OutFlow Max=0.62 cfs @ 125.11 hrs HW=893.57' TW=879.08' (Dynamic Tailwater) 1=12" Outlet Pipe (Passes 0.62 cfs of 8.13 cfs potential flow) 2=4" Orifice (Orifice Controls 0.62 cfs @ 7.08 fps) 3=Weir ( Controls 0.00 cfs) Pond IB-2: IB-2 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 Inflow Area=6.318 ac Peak Elev=893.57' Storage=20,292 cf 1.20 cfs 0.62 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 51HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond W-2: Wetland 2 Erhart Farm Inflow Area = 83.145 ac, 18.63% Impervious, Inflow Depth > 6.77" for 10 day-100 Yr Snow event Inflow = 10.75 cfs @ 122.00 hrs, Volume= 46.938 af Outflow = 10.72 cfs @ 122.23 hrs, Volume= 46.936 af, Atten= 0%, Lag= 13.9 min Primary = 10.72 cfs @ 122.23 hrs, Volume= 46.936 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 879.09' @ 122.23 hrs Surf.Area= 140,782 sf Storage= 12,861 cf Plug-Flow detention time= 31.8 min calculated for 46.935 af (100% of inflow) Center-of-Mass det. time= 31.1 min ( 8,190.9 - 8,159.7 ) Volume Invert Avail.Storage Storage Description #1 879.00' 180,180 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 879.00 131,609 0 0 880.00 228,751 180,180 180,180 Device Routing Invert Outlet Devices #1 Primary 879.00'148.4' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=10.72 cfs @ 122.23 hrs HW=879.09' TW=875.89' (Dynamic Tailwater) 1=Broad-Crested Rectangular Weir (Weir Controls 10.72 cfs @ 0.77 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 52HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-2: Wetland 2 Erhart Farm Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=83.145 ac Peak Elev=879.09' Storage=12,861 cf 10.75 cfs10.72 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 53HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Area = 172.739 ac, 19.26% Impervious, Inflow Depth > 6.82" for 10 day-100 Yr Snow event Inflow = 26.85 cfs @ 121.59 hrs, Volume= 98.197 af Outflow = 11.39 cfs @ 131.14 hrs, Volume= 97.553 af, Atten= 58%, Lag= 573.1 min Primary = 11.39 cfs @ 131.14 hrs, Volume= 97.553 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 876.10' @ 131.14 hrs Surf.Area= 921,144 sf Storage= 1,135,179 cf Plug-Flow detention time= 1,915.2 min calculated for 97.553 af (99% of inflow) Center-of-Mass det. time= 1,851.7 min ( 9,717.3 - 7,865.6 ) Volume Invert Avail.Storage Storage Description #1 874.63' 5,386,618 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 874.63 225,955 0 0 875.00 791,747 188,275 188,275 876.00 912,103 851,925 1,040,200 880.00 1,261,106 4,346,418 5,386,618 Device Routing Invert Outlet Devices #1 Primary 874.63'28.5" W x 18.0" H, R=14.8"/40.7" Pipe Arch RCP_Arch 29x18 L= 187.0' Ke= 0.500 Inlet / Outlet Invert= 874.63' / 872.83' S= 0.0096 '/' Cc= 0.900 n= 0.013, Flow Area= 2.79 sf Primary OutFlow Max=11.39 cfs @ 131.14 hrs HW=876.10' (Free Discharge) 1=RCP_Arch 29x18 (Inlet Controls 11.39 cfs @ 4.09 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 54HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-3: Wetland 3 (Wetland C from TH 101) Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=172.739 ac Peak Elev=876.10' Storage=1,135,179 cf 28.5" x 18.0" R=14.8"/40.7" Pipe Arch Culvert n=0.013 L=187.0' S=0.0096 '/' 26.85 cfs 11.39 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 55HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond W-3A: Wetland 3A Inflow Area = 64.146 ac, 16.52% Impervious, Inflow Depth > 6.73" for 10 day-100 Yr Snow event Inflow = 8.05 cfs @ 122.46 hrs, Volume= 35.988 af Outflow = 8.04 cfs @ 122.51 hrs, Volume= 35.987 af, Atten= 0%, Lag= 2.9 min Primary = 8.04 cfs @ 122.51 hrs, Volume= 35.987 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 892.91' @ 122.51 hrs Surf.Area= 2,929 sf Storage= 2,044 cf Plug-Flow detention time= 7.4 min calculated for 35.986 af (100% of inflow) Center-of-Mass det. time= 7.0 min ( 8,352.7 - 8,345.7 ) Volume Invert Avail.Storage Storage Description #1 892.00' 35,594 cf Wetland 3A (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 892.00 1,570 0 0 894.00 4,562 6,132 6,132 896.00 7,450 12,012 18,144 898.00 10,000 17,450 35,594 Device Routing Invert Outlet Devices #1 Device 2 892.00'42.0" Round 42" Culvert L= 40.9' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 892.00' / 889.00' S= 0.0733 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf #2 Primary 885.50'42.0" Round 42" Culvert L= 70.5' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 885.50' / 885.20' S= 0.0043 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 9.62 sf Primary OutFlow Max=8.04 cfs @ 122.51 hrs HW=892.91' TW=879.09' (Dynamic Tailwater) 2=42" Culvert (Passes 8.04 cfs of 124.57 cfs potential flow) 1=42" Culvert (Inlet Controls 8.04 cfs @ 4.06 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 56HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-3A: Wetland 3A Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)9 8 7 6 5 4 3 2 1 0 Inflow Area=64.146 ac Peak Elev=892.91' Storage=2,044 cf 8.05 cfs8.04 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 57HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond W-4: Wetland 4 Inflow Area = 64.146 ac, 16.52% Impervious, Inflow Depth > 6.73" for 10 day-100 Yr Snow event Inflow = 8.52 cfs @ 121.38 hrs, Volume= 35.997 af Outflow = 8.05 cfs @ 122.46 hrs, Volume= 35.988 af, Atten= 6%, Lag= 64.8 min Primary = 8.05 cfs @ 122.46 hrs, Volume= 35.988 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 894.23' @ 122.46 hrs Surf.Area= 207,405 sf Storage= 48,087 cf Plug-Flow detention time= 160.9 min calculated for 35.988 af (100% of inflow) Center-of-Mass det. time= 156.9 min ( 8,345.7 - 8,188.7 ) Volume Invert Avail.Storage Storage Description #1 894.00' 441,167 cf Wetland 4 (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 894.00 203,377 0 0 896.00 237,790 441,167 441,167 Device Routing Invert Outlet Devices #1 Primary 894.00'30.0' long x 5.0' breadth Natural Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=8.05 cfs @ 122.46 hrs HW=894.23' TW=892.91' (Dynamic Tailwater) 1=Natural Weir (Weir Controls 8.05 cfs @ 1.15 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=420090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} Page 58HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond W-4: Wetland 4 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)9 8 7 6 5 4 3 2 1 0 Inflow Area=64.146 ac Peak Elev=894.23' Storage=48,087 cf 8.52 cfs 8.05 cfs Table of Contents20090pdrn-snow Printed 9/28/2021Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC TABLE OF CONTENTS Project Reports 1 Routing Diagram 2 Rainfall Events Listing (selected events) 3 Area Listing (selected nodes) 4 Soil Listing (selected nodes) 10 day-100 Yr Snow Event 5 Node Listing 8 Subcat 1S: 1S 9 Subcat 2S: 2S 10 Subcat 3S: 3S 11 Subcat 4S: Disturbed Area for Haul Road 12 Subcat 5S: 5S 13 Subcat 8S: Wetland 14 Subcat 18S: Area - B3 (PERV) 15 Subcat 19S: Area - C2 (PERV) 16 Subcat 20S: Area - C2 (IMP) 17 Subcat 27S: Area - C3 18 Subcat 47S: Area - B3 (IMP) 19 Subcat 48S: Area - B4 20 Subcat D-3A: Direct Runoff to IB2 21 Subcat D-3B: Runoff to IB2 22 Subcat D-3C: Runoff to IB2 23 Subcat D-W2: Runoff to W2 24 Subcat DW-3: Wetland 3 25 Subcat E-1: Wetland 1 Tributary Area 26 Subcat OFF-1: SOUTH OFFSITE 27 Subcat OFF-2: OFF-2 28 Subcat OFF-IB2: Offiste Runoff to IB2 29 Subcat SW: SW Waterbody (undelineated water body) 30 Subcat W4: Wetland 4 Runoff 31 Pond 1P: Pond 33 Pond 2P: Filtration adjacent to Wetland 2 35 Pond 3P: Wetland 1 37 Pond 4P: Infiltration Basin 39 Pond 5P: Disturbed Treatment Area 41 Pond 6P: SW Waterbody (undelineated water body) 43 Pond 7P: Undelineated Wetland 45 Pond 17P: POND1 47 Pond 25P: POND2 49 Pond IB-2: IB-2 51 Pond W-2: Wetland 2 Erhart Farm 53 Pond W-3: Wetland 3 (Wetland C from TH 101) 55 Pond W-3A: Wetland 3A 57 Pond W-4: Wetland 4 Project Information Calculator Version:Version 3: January 2017 Project Name:Existing Erhart Farm User Name / Company Name:Alliant Engineering Date:5/12/21 Project Description:Existing MIDS model for Erhart Farm Construction Permit?:No Site Information Retention Requirement (inches):1.1 Site's Zip Code:55317 Annual Rainfall (inches):29.9 Phosphorus EMC (mg/l):0.3 TSS EMC (mg/l):54.5 Total Site Area Land Cover A Soils (acres) B Soils (acres) C Soils (acres) D Soils (acres) Total (acres) Forest/Open Space -Undisturbed, protected forest/open space or reforested land 24.75 24.75 Managed Turf -disturbed, graded for yards or other turf to be mowed/managed 0.91 0.91 Impervious Area (acres)1.16 Total Area (acres)26.82 Site Areas Routed to BMPs Land Cover A Soils (acres) B Soils (acres) C Soils (acres) D Soils (acres) Total (acres) Forest/Open Space -Undisturbed, protected forest/open space or reforested land 0 Managed Turf -disturbed, graded for yards or other turf to be mowed/managed 0 Impervious Area (acres) Total Area (acres)0 Summary Information Performance Goal Requirement Performance goal volume retention requirement:4632 ft3 Volume removed by BMPs towards performance goal:ft3 Percent volume removed towards performance goal % Annual Volume and Pollutant Load Reductions Post development annual runoff volume 5.7565 acre-ft Annual runoff volume removed by BMPs:acre-ft Percent annual runoff volume removed:% Post development annual particulate P load:2.584 lbs Annual particulate P removed by BMPs:lbs Post development annual dissolved P load:2.114 lbs Annual dissolved P removed by BMPs:lbs Percent annual total phosphorus removed:% Post development annual TSS load:853.3 lbs Annual TSS removed by BMPs:lbs Percent annual TSS removed:% BMP Summary Performance Goal Summary BMP Name BMP Volume Capacity (ft3) Volume Recieved (ft3) Volume Retained (ft3) Volume Outflow (ft3) Percent Retained (%) Annual Volume Summary BMP Name Volume From Direct Watershed (acre-ft) Volume From Upstream BMPs (acre-ft) Volume Retained (acre-ft) Volume outflow (acre-ft) Percent Retained (%) Particulate Phosphorus Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) Dissolved Phosphorus Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) TSS Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) BMP Schematic Project Information Calculator Version:Version 3: January 2017 Project Name:Proposed Erhart Farm User Name / Company Name:Alliant Engineering Date:8/4/21 Project Description:Proposed Erhart Farms. 21 Single Family Homes Construction Permit?:No Site Information Retention Requirement (inches):1.1 Site's Zip Code:55317 Annual Rainfall (inches):29.9 Phosphorus EMC (mg/l):0.3 TSS EMC (mg/l):54.5 Total Site Area Land Cover A Soils (acres) B Soils (acres) C Soils (acres) D Soils (acres) Total (acres) Forest/Open Space -Undisturbed, protected forest/open space or reforested land 6.597 6.597 Managed Turf -disturbed, graded for yards or other turf to be mowed/managed 14.908 14.908 Impervious Area (acres)5.345 Total Area (acres)26.85 Site Areas Routed to BMPs Land Cover A Soils (acres) B Soils (acres) C Soils (acres) D Soils (acres) Total (acres) Forest/Open Space -Undisturbed, protected forest/open space or reforested land 4.511 4.511 Managed Turf -disturbed, graded for yards or other turf to be mowed/managed 13.213 13.213 Impervious Area (acres)4.78701 Total Area (acres)22.51101 Summary Information Performance Goal Requirement Performance goal volume retention requirement:21342 ft3 Volume removed by BMPs towards performance goal:19114 ft3 Percent volume removed towards performance goal 90 % Annual Volume and Pollutant Load Reductions Post development annual runoff volume 20.4843 acre-ft Annual runoff volume removed by BMPs:17.6493 acre-ft Percent annual runoff volume removed:86 % Post development annual particulate P load:9.193 lbs Annual particulate P removed by BMPs:8.06 lbs Post development annual dissolved P load:7.522 lbs Annual dissolved P removed by BMPs:6.488 lbs Percent annual total phosphorus removed:87 % Post development annual TSS load:3036.6 lbs Annual TSS removed by BMPs:2661.3 lbs Percent annual TSS removed:88 % BMP Summary Performance Goal Summary BMP Name BMP Volume Capacity (ft3) Volume Recieved (ft3) Volume Retained (ft3) Volume Outflow (ft3) Percent Retained (%) Wetland 2 Filtration Basin 91 0 0 0 100 1 -Infiltration basin/Infiltration trench (aboveground)33072 19114 19114 0 100 Wetland 2 Storage Below draintile 426 0 0 0 0 Infiltration Adjacent to Wetland 4 4574 0 0 0 0 1 -Constructed stormwater pond 0 19114 0 19114 0 Annual Volume Summary BMP Name Volume From Direct Watershed (acre-ft) Volume From Upstream BMPs (acre-ft) Volume Retained (acre-ft) Volume outflow (acre-ft) Percent Retained (%) Wetland 2 Filtration Basin 0 0.1572 0.0267 0.1305 17 1 -Infiltration basin/Infiltration trench (aboveground)0 17.5261 17.1944 0.331699999999998 98 Wetland 2 Storage Below draintile 0.2786 0 0.1215 0.1571 44 Infiltration Adjacent to Wetland 4 0.3067 0 0.3067 0 100 1 -Constructed stormwater pond 17.5261 0 0 17.5261 0 Particulate Phosphorus Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) Wetland 2 Filtration Basin 0 0.0705 0.0588 0.0117 83 1 -Infiltration basin/Infiltration trench (aboveground)0 2.989 2.9324 0.0566 98 Wetland 2 Storage Below draintile 0.125 0 0.0545 0.0705 44 Infiltration Adjacent to Wetland 4 0.1376 0 0.1376 0 100 1 -Constructed stormwater pond 7.8657 0 4.8767 2.989 62 Dissolved Phosphorus Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) Wetland 2 Filtration Basin 0 0.0577 0.017 0.0407 29 1 -Infiltration basin/Infiltration trench (aboveground)0 6.4356 6.3138 0.1218 98 Wetland 2 Storage Below draintile 0.1023 0 0.0446 0.0577 44 Infiltration Adjacent to Wetland 4 0.1126 0 0.1126 0 100 1 -Constructed stormwater pond 6.4356 0 0 6.4356 0 TSS Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) Wetland 2 Filtration Basin 0 23.3 19.43 3.87 83 1 -Infiltration basin/Infiltration trench (aboveground)0 1039.23 1019.56 19.6700000000001 98 Wetland 2 Storage Below draintile 41.3 0 18 23.3 44 Infiltration Adjacent to Wetland 4 45.46 0 45.46 0 100 1 -Constructed stormwater pond 2598.08 0 1558.85 1039.23 60 BMP Schematic Project Information Calculator Version:Version 3: January 2017 Project Name:Wetland 2 User Name / Company Name:Alliant Engineering Date: Project Description: Construction Permit?:No Site Information Retention Requirement (inches):1.1 Site's Zip Code:55317 Annual Rainfall (inches):29.9 Phosphorus EMC (mg/l):0.3 TSS EMC (mg/l):54.5 Total Site Area Land Cover A Soils (acres) B Soils (acres) C Soils (acres) D Soils (acres) Total (acres) Forest/Open Space -Undisturbed, protected forest/open space or reforested land 0 0 Managed Turf -disturbed, graded for yards or other turf to be mowed/managed 0.497 0.497 Impervious Area (acres)1E-05 Total Area (acres)0.49701 Site Areas Routed to BMPs Land Cover A Soils (acres) B Soils (acres) C Soils (acres) D Soils (acres) Total (acres) Forest/Open Space -Undisturbed, protected forest/open space or reforested land 0 Managed Turf -disturbed, graded for yards or other turf to be mowed/managed 0.497 0.497 Impervious Area (acres)1E-05 Total Area (acres)0.49701 Summary Information Performance Goal Requirement Performance goal volume retention requirement:0 ft3 Volume removed by BMPs towards performance goal:0 ft3 Percent volume removed towards performance goal 100 % Annual Volume and Pollutant Load Reductions Post development annual runoff volume 0.2787 acre-ft Annual runoff volume removed by BMPs:0.1482 acre-ft Percent annual runoff volume removed:53 % Post development annual particulate P load:0.125 lbs Annual particulate P removed by BMPs:0.113 lbs Post development annual dissolved P load:0.102 lbs Annual dissolved P removed by BMPs:0.062 lbs Percent annual total phosphorus removed:77 % Post development annual TSS load:41.3 lbs Annual TSS removed by BMPs:37.4 lbs Percent annual TSS removed:91 % BMP Summary Performance Goal Summary BMP Name BMP Volume Capacity (ft3) Volume Recieved (ft3) Volume Retained (ft3) Volume Outflow (ft3) Percent Retained (%) 1 -Bioretention basin (with underdrain)91 0 0 0 100 1 -Infiltration basin/Infiltration trench (aboveground)426 0 0 0 0 Annual Volume Summary BMP Name Volume From Direct Watershed (acre-ft) Volume From Upstream BMPs (acre-ft) Volume Retained (acre-ft) Volume outflow (acre-ft) Percent Retained (%) 1 -Bioretention basin (with underdrain)0 0.1572 0.0267 0.1305 17 1 -Infiltration basin/Infiltration trench (aboveground)0.2786 0 0.1215 0.1571 44 Particulate Phosphorus Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) 1 -Bioretention basin (with underdrain)0 0.0705 0.0588 0.0117 83 1 -Infiltration basin/Infiltration trench (aboveground)0.125 0 0.0545 0.0705 44 Dissolved Phosphorus Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) 1 -Bioretention basin (with underdrain)0 0.0577 0.017 0.0407 29 1 -Infiltration basin/Infiltration trench (aboveground)0.1023 0 0.0446 0.0577 44 TSS Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) 1 -Bioretention basin (with underdrain)0 23.3 19.43 3.87 83 1 -Infiltration basin/Infiltration trench (aboveground)41.3 0 18 23.3 44 BMP Schematic Project Information Calculator Version:Version 3: January 2017 Project Name:Proposed Erhart Farm User Name / Company Name:Alliant Engineering Date:8/4/21 Project Description:Proposed Erhart Farms. 21 Single Family Homes Construction Permit?:No Site Information Retention Requirement (inches):1.1 Site's Zip Code:55317 Annual Rainfall (inches):29.9 Phosphorus EMC (mg/l):0.3 TSS EMC (mg/l):54.5 Total Site Area Land Cover A Soils (acres) B Soils (acres) C Soils (acres) D Soils (acres) Total (acres) Forest/Open Space -Undisturbed, protected forest/open space or reforested land 6.597 6.597 Managed Turf -disturbed, graded for yards or other turf to be mowed/managed 13.864 13.864 Impervious Area (acres)5.238 Total Area (acres)25.699 Site Areas Routed to BMPs Land Cover A Soils (acres) B Soils (acres) C Soils (acres) D Soils (acres) Total (acres) Forest/Open Space -Undisturbed, protected forest/open space or reforested land 4.511 4.511 Managed Turf -disturbed, graded for yards or other turf to be mowed/managed 12.169 12.169 Impervious Area (acres)4.787 Total Area (acres)21.467 Summary Information Performance Goal Requirement Performance goal volume retention requirement:20915 ft3 Volume removed by BMPs towards performance goal:19114 ft3 Percent volume removed towards performance goal 91 % Annual Volume and Pollutant Load Reductions Post development annual runoff volume 19.6711 acre-ft Annual runoff volume removed by BMPs:16.9967 acre-ft Percent annual runoff volume removed:86 % Post development annual particulate P load:8.828 lbs Annual particulate P removed by BMPs:7.775 lbs Post development annual dissolved P load:7.223 lbs Annual dissolved P removed by BMPs:6.241 lbs Percent annual total phosphorus removed:87 % Post development annual TSS load:2916 lbs Annual TSS removed by BMPs:2566.7 lbs Percent annual TSS removed:88 % BMP Summary Performance Goal Summary BMP Name BMP Volume Capacity (ft3) Volume Recieved (ft3) Volume Retained (ft3) Volume Outflow (ft3) Percent Retained (%) 1 -Infiltration basin/Infiltration trench (aboveground)27737 19114 19114 0 100 1 -Constructed stormwater pond 0 19114 0 19114 0 Annual Volume Summary BMP Name Volume From Direct Watershed (acre-ft) Volume From Upstream BMPs (acre-ft) Volume Retained (acre-ft) Volume outflow (acre-ft) Percent Retained (%) 1 -Infiltration basin/Infiltration trench (aboveground)0 17.5261 16.9967 0.529399999999999 97 1 -Constructed stormwater pond 17.5261 0 0 17.5261 0 Particulate Phosphorus Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) 1 -Infiltration basin/Infiltration trench (aboveground)0 2.989 2.8987 0.0903 97 1 -Constructed stormwater pond 7.8657 0 4.8767 2.989 62 Dissolved Phosphorus Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) 1 -Infiltration basin/Infiltration trench (aboveground)0 6.4356 6.2412 0.1944 97 1 -Constructed stormwater pond 6.4356 0 0 6.4356 0 TSS Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) 1 -Infiltration basin/Infiltration trench (aboveground)0 1039.23 1007.84 31.39 97 1 -Constructed stormwater pond 2598.08 0 1558.85 1039.23 60 BMP Schematic Project Information Calculator Version:Version 3: January 2017 Project Name:Erhart Farm Wetland 4 User Name / Company Name:Alliant Engineering Date: Project Description: Construction Permit?:No Site Information Retention Requirement (inches):1.1 Site's Zip Code:55317 Annual Rainfall (inches):29.9 Phosphorus EMC (mg/l):0.3 TSS EMC (mg/l):54.5 Total Site Area Land Cover A Soils (acres) B Soils (acres) C Soils (acres) D Soils (acres) Total (acres) Forest/Open Space -Undisturbed, protected forest/open space or reforested land 0 Managed Turf -disturbed, graded for yards or other turf to be mowed/managed 0.547 0.547 Impervious Area (acres)1E-05 Total Area (acres)0.54701 Site Areas Routed to BMPs Land Cover A Soils (acres) B Soils (acres) C Soils (acres) D Soils (acres) Total (acres) Forest/Open Space -Undisturbed, protected forest/open space or reforested land 0 Managed Turf -disturbed, graded for yards or other turf to be mowed/managed 0.547 0.547 Impervious Area (acres) Total Area (acres)0.547 Summary Information Performance Goal Requirement Performance goal volume retention requirement:0 ft3 Volume removed by BMPs towards performance goal:ft3 Percent volume removed towards performance goal % Annual Volume and Pollutant Load Reductions Post development annual runoff volume 0.3067 acre-ft Annual runoff volume removed by BMPs:0.3065 acre-ft Percent annual runoff volume removed:100 % Post development annual particulate P load:0.138 lbs Annual particulate P removed by BMPs:0.138 lbs Post development annual dissolved P load:0.113 lbs Annual dissolved P removed by BMPs:0.113 lbs Percent annual total phosphorus removed:100 % Post development annual TSS load:45.5 lbs Annual TSS removed by BMPs:45.4 lbs Percent annual TSS removed:100 % BMP Summary Performance Goal Summary BMP Name BMP Volume Capacity (ft3) Volume Recieved (ft3) Volume Retained (ft3) Volume Outflow (ft3) Percent Retained (%) 1 -Infiltration basin/Infiltration trench (aboveground)4574 0 0 0 0 Annual Volume Summary BMP Name Volume From Direct Watershed (acre-ft) Volume From Upstream BMPs (acre-ft) Volume Retained (acre-ft) Volume outflow (acre-ft) Percent Retained (%) 1 -Infiltration basin/Infiltration trench (aboveground)0.3067 0 0.3066 9.9999999999989E-05100 Particulate Phosphorus Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) 1 -Infiltration basin/Infiltration trench (aboveground)0.1376 0 0.1375 0.0001 100 Dissolved Phosphorus Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) 1 -Infiltration basin/Infiltration trench (aboveground)0.1126 0 0.1126 0 100 TSS Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) 1 -Infiltration basin/Infiltration trench (aboveground)45.46 0 45.44 0.0200000000000031100 BMP Schematic IMP RUNOFF INTENSITY P. DIA. P. SLOPE P. TYPE MANNING'S P. CAP. P. VELOCITY PIPE CAP. OVER FROM TO RIM COVER STR. CAST BUILD FROM TO TOTAL IMPERVIOUS INCR. CUM. % C INCR. CUM. PIPE CUM. i INCR. CUM. D [IN] S [FT/FT] n Q [CFS] MAX [FT/S] LENGTH [FT] Q [CFS] INVERT INVERT ELEV [FT] TYPE TYPE [FT] CBMH 121 CBMH 120 8696 3910 0.20 0.20 0.45 0.51 0.10 0.10 0.35 10.35 6.13 0.630 0.630 15 0.0033 RCP 0.013 3.711 3.02 31.00 3.08 892.19 892.09 898 4.40 2'x3' R-3067-V 5.85 CBMH 120 CBMH 107 8444 3852 0.19 0.39 0.46 0.52 0.10 0.20 0.17 10.52 6.13 0.617 1.247 15 0.0033 RCP 0.013 3.711 3.02 187.47 2.46 891.99 891.37 898 4.43 48" R-3067-V 5.98 CB 111 CBMH 110 27119 14861 0.62 0.62 0.55 0.58 0.36 0.36 10.00 10.00 6.13 2.228 2.228 15 0.005 RCP 0.013 4.568 3.72 27.00 2.34 896.48 896.34 900.5 2.55 2'x3' R-3067-V 4.00 CBMH 110 CBMH 105 30129 7528 0.69 1.31 0.25 0.37 0.26 0.62 0.12 10.12 6.13 1.590 3.818 15 0.004 RCP 0.013 4.086 3.33 55.57 0.27 896.24 896.02 900.5 2.70 48" R-3067-V 4.25 CB 124 CBMH 123 0 0 0.00 0.00 0.00 0.20 0.00 0.00 10.00 10.00 6.13 0.000 0.000 15 0.0044 RCP 0.013 4.285 3.49 115.12 4.28 896.5 895.99 900 2.05 27" R-4342 3.50 CBMH 123 CBMH 108 0 0 0.00 0.00 0.00 0.20 0.00 0.00 0.55 10.55 6.13 0.000 0.000 15 0.0044 RCP 0.013 4.285 3.49 137.51 4.28 895.89 895.29 904.4 6.99 48" R-3067-V 8.54 CB 109 CBMH 108 35208 20348 0.81 0.81 0.58 0.60 0.49 0.49 10.00 10.00 6.13 2.996 2.996 15 0.008 RCP 0.013 5.778 4.71 26.01 2.78 898.47 898.26 902.5 2.55 2'x3' R-3067-V 4.00 CBMH 108 CBMH 107 29245 5973 0.67 1.48 0.20 0.34 0.23 0.72 0.09 10.09 6.13 1.412 4.408 15 0.0047 RCP 0.013 4.429 3.61 51.71 0.02 895.19 894.95 902.5 2.75 48" R-3067-V 7.27 CBMH 107 CBMH 106 2667 858 0.06 1.93 0.32 0.43 0.03 0.95 0.24 10.33 6.13 0.160 5.815 18 0.0031 RCP 0.013 5.849 3.31 132.22 0.03 891.27 890.86 903 10.01 48" R-3067-V 11.71 CBMH 106 CBMH 105 31967 2015 0.73 2.67 0.06 0.24 0.18 1.13 0.67 11.00 5.84 1.046 6.586 18 0.004 RCP 0.013 6.644 3.76 120.40 0.06 890.76 890.28 902.4 9.87 48" R-3067-V 11.67 CBMH 105 CBMH 104 4701 2374 0.11 4.09 0.50 0.55 0.06 1.81 0.53 11.53 5.59 0.334 10.114 18 0.0093 RCP 0.013 10.130 5.73 258.30 0.02 890.18 887.77 901.2 3.69 48" R-3067-V 10.98 CBMH 104 CBMH 103 53147 7106 1.22 5.31 0.13 0.29 0.36 2.17 0.75 12.28 5.37 1.922 11.632 21 0.0054 RCP 0.013 11.644 4.84 233.87 0.01 887.67 886.41 898.4 8.77 48" R-3067-V 10.72 CBMH 103ACBMH 103 81312 18046 1.87 1.87 0.22 0.36 0.66 0.66 10.00 10.00 6.13 4.068 4.068 15 0.0044 RCP 0.013 4.285 3.49 8.00 0.22 892.73 892.69 896.7 2.55 2'x3'R-3067-VB 4.00 CBMH 103 CBMH 102 81312 18046 1.87 9.04 0.22 0.36 0.66 3.49 0.81 13.09 4.99 3.309 17.432 24 0.0107 RCP 0.013 23.401 7.45 31.00 5.97 886.31 885.98 896.7 2.57 48"R-3067-VB 10.40 CB 102A CBMH 102 33250 17235 0.76 0.76 0.52 0.56 0.43 0.43 10.00 10.00 6.13 2.634 2.634 15 0.007 RCP 0.013 5.405 4.40 8.00 2.77 892.75 892.69 896.8 2.55 2'x3'R-3067-VB 4.00 CBMH 102 MH 101 34620 19804 0.79 10.60 0.57 0.60 0.48 4.40 0.07 13.16 4.99 2.380 21.955 24 0.02 RCP 0.013 31.993 10.18 141.66 10.04 885.88 883.05 896.7 8.55 48"R-3067-VB 10.85 MH 101 FES 100 0 0 0.00 10.60 0.00 0.20 0.00 4.40 0.23 13.39 4.82 0.000 21.207 36 0.0022 RCP 0.013 31.284 4.43 48.63 10.08 882.62 882.51 888 2.18 60" R-1642 5.38 OCS 201 FES 200 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.000 0.000 18 0.00336 RCP 0.013 0.000 0.00 74.40 0.00 878.35 878.1 882 0.00 72" GRATE 3.65 CB 305 CBMH 302 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.000 0.000 24 0.02 RCP 0.013 31.993 10.18 22.20 31.99 889 888.56 899 7.80 60" R-4342 10.00 CB 304 CBMH 303 11308 6043 0.26 0.26 0.53 0.57 0.15 0.15 10.00 10.00 6.13 0.914 0.914 15 0.0044 RCP 0.013 4.285 3.49 31.00 3.37 891.95 891.81 896 2.55 2'x3'R-3067-VB 4.00 CBMH 303 CBMH 302 80662 4542 1.85 2.11 0.06 0.24 0.44 0.59 0.15 10.15 6.13 2.719 3.632 15 0.011 RCP 0.013 6.775 5.52 49.29 3.14 891.71 891.17 896 2.73 48"R-3067-VB 4.28 CBMH 302 MH 301 28388 2289 0.65 2.76 0.08 0.26 0.17 0.76 0.15 10.30 6.13 1.025 4.657 24 0.02847 RCP 0.013 38.171 12.15 221.42 33.51 888.46 882.15 896.7 4.04 48" R-3067-V 8.20 MH 301 FES 300 0 0 0.00 2.76 0.00 0.20 0.00 0.76 0.30 10.60 7.13 0.000 5.417 24 0.0028 RCP 0.013 11.971 3.81 18.18 6.55 882.05 882 886 1.65 48" R-1642 7.95 PE 402 MH 401 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.000 0.000 27 0 RCP 0 0.000 0.00 40.19 0.00 878 878 0 0.00 0 0 0.00 MH 401 FES 400 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.000 0.000 27 0.0032 RCP 0 0.000 0.00 37.80 0.00 880.62 880.5 886 0.00 60" R-1642 9.38 PE 502 MH 501 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.000 0.000 27 0 RCP 0 0.000 0.00 40.19 0.00 878 878 0 0.00 0 0 0.00 MH 501 FES 500 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.000 0.000 27 0.0029 RCP 0 0.000 0.00 37.80 0.00 880.57 880.5 886 0.00 60" R-1642 9.43 Q [CFS]MH/CB AREA [SF] AREA [AC] A*C TIME OF CONC. [MIN] SB-3 Haugo GeoTechnical Services 2825 Cedar Avenue South Minneapolis, MN 55407 Figure #: 1 Drawn By: NA Date: 5/12/2021 Scale: None Project #: 21-0364 Soil Boring Location Sketch Erhart Property Chanhassen, Minnesota SB-2 SB-4 SB-5 SB-6 SB-1 Legend Approximate Soil Boring Location Disclaimer: Map and parcel data are believed to be accurate, but accuracy is not guaranteed. This is not a legal document and should not be substituted for a title search, appraisal, survey, or for zoning verification. HGTS# 21-0364 Figure 2: GPS Boring Locations Referencing Minnesota County Coordinates Basis – Carver County Boring Number Elevation (US Survey Feet) Northing Coordinate Easting Coordinate SB-1 878.2 169958.73 558705.895 SB-2 909.4 170790.608 558840.498 SB-3 903.4 170710.096 558778.512 SB-4 895.5 170330.988 558759.472 SB-5 879.5 170102.807 558557.468 SB-6 896.5 169801.079 558426.041 DRAFTSubject to RevisionSandy Lean Clay, trace Roots, black, wet. (Topsoil) (SC-SM) Silty Clayey Sand, fine to coarse grained, trace Gravel, gray, waterbearing, very loose to loose. (Glacial Till) (CL) Sandy Lean Clay, trace Gravel, brown and gray, wet, medium to rather stiff. (Glacial Till) Bottom of borehole at 14.5 feet. AU 1 SS 2 SS 3 SS 4 SS 5 SS 6 SS 7 1-1-1 (2) 2-2-2 (4) 3-3-4 (7) 2-12-18 (30) 2-13-18 (31) 2-2-6 (8) NOTES GROUND ELEVATION 878.2 ft LOGGED BY DRILLING METHOD Hollow Stem Auger/Split Spoon DRILLING CONTRACTOR HGTS - 750 GROUND WATER LEVELS: CHECKED BY PG DATE STARTED 4/14/21 COMPLETED 4/14/21 AT TIME OF DRILLING 3.30 ft / Elev 874.90 ft AT END OF DRILLING --- AFTER DRILLING --- HOLE SIZE 3 1/4 inches FINES CONTENT (%) 20 40 60 80 20 40 60 80 PL LLMC DEPTH(ft)0 5 10 GRAPHICLOGMATERIAL DESCRIPTION SAMPLE TYPENUMBERRECOVERY %(RQD)BLOWCOUNTS(N VALUE) SPT N VALUE 20 40 60 80 MOISTURE CONT.(%)NOTESPAGE 1 OF 1 BORING NUMBER SB-1 CLIENT Black Cherry Development LLC PROJECT NUMBER 21-0364 PROJECT NAME Erhart Property PROJECT LOCATION Chanhassen, MN GEOTECH BH PLOTS - GINT STD US LAB.GDT - 5/12/21 14:52 - C:\USERS\HGTS 3\DROPBOX (HGTS)\HAUGO GEOTECHNICAL SERVICES\GINT PROJECT BACKUP\PROJECTS\21-0364 ERHART PROPERTY.GPJHaugo GeoTechnical Services 2825 Cedar Ave South Minneapolis, MN 55407 Telephone: 612-729-2959 Fax: 763-445-2238 DRAFTSubject to RevisionSandy Lean Clay, trace Roots, dark brown, wet. (Topsoil) (CL) Sandy Lean Clay, trace Gravel, brown, wet, rather stiff. (Glacial Till) (SC) Clayey Sand, fine to medium grained, trace Gravel, brown, moist, medium dense. (Glacial Till) Bottom of borehole at 14.5 feet. AU 8 SS 9 SS 10 SS 11 SS 12 SS 13 SS 14 2-4-6 (10) 6-18-12 (30) 7-7-7 (14) 6-6-8 (14) 6-9-11 (20) 5-8-12 (20) NOTES GROUND ELEVATION 909.4 ft LOGGED BY DRILLING METHOD Hollow Stem Auger/Split Spoon DRILLING CONTRACTOR HGTS - 750 GROUND WATER LEVELS: CHECKED BY PG DATE STARTED 4/14/21 COMPLETED 4/14/21 AT TIME OF DRILLING --- Not Encountered AT END OF DRILLING --- Not Encountered AFTER DRILLING --- Not Encountered HOLE SIZE 3 1/4 inches FINES CONTENT (%) 20 40 60 80 20 40 60 80 PL LLMC DEPTH(ft)0 5 10 GRAPHICLOGMATERIAL DESCRIPTION SAMPLE TYPENUMBERRECOVERY %(RQD)BLOWCOUNTS(N VALUE) SPT N VALUE 20 40 60 80 MOISTURE CONT.(%)NOTESPAGE 1 OF 1 BORING NUMBER SB-2 CLIENT Black Cherry Development LLC PROJECT NUMBER 21-0364 PROJECT NAME Erhart Property PROJECT LOCATION Chanhassen, MN GEOTECH BH PLOTS - GINT STD US LAB.GDT - 5/12/21 14:52 - C:\USERS\HGTS 3\DROPBOX (HGTS)\HAUGO GEOTECHNICAL SERVICES\GINT PROJECT BACKUP\PROJECTS\21-0364 ERHART PROPERTY.GPJHaugo GeoTechnical Services 2825 Cedar Ave South Minneapolis, MN 55407 Telephone: 612-729-2959 Fax: 763-445-2238 DRAFTSubject to RevisionSilty Clay, trace Roots, black, wet. (Topsoil) (CL) Lean Clay, brown, wet, stiff to very stiff. (Glacial Till) (ML) Silty Sand, brown, moist, medium dense. (Glacial Till) (CL-ML) Sily clay, brown, moist, very stiff. (Glacial Till) (SC) Clayey Sand, fine to medium grained, trace Gravel, brown, medium dense. (Glacial Till) Bottom of borehole at 21.0 feet. AU 15 SS 16 SS 17 SS 18 SS 19 SS 20 SS 21 SS 22 6-8-10 (18) 2-6-8 (14) 8-12-11 (23) 8-10-12 (22) 4-8-11 (19) 1-8-11 (19) 7-10-11 (21) NOTES GROUND ELEVATION 903.4 ft LOGGED BY DRILLING METHOD Hollow Stem Auger/Split Spoon DRILLING CONTRACTOR HGTS - 750 GROUND WATER LEVELS: CHECKED BY PG DATE STARTED 4/14/21 COMPLETED 4/14/21 AT TIME OF DRILLING --- Not Encountered AT END OF DRILLING --- Not Encountered AFTER DRILLING --- Not Encountered HOLE SIZE 3 1/4 inches FINES CONTENT (%) 20 40 60 80 20 40 60 80 PL LLMC DEPTH(ft)0 5 10 15 20 GRAPHICLOGMATERIAL DESCRIPTION SAMPLE TYPENUMBERRECOVERY %(RQD)BLOWCOUNTS(N VALUE) SPT N VALUE 20 40 60 80 MOISTURE CONT.(%)NOTESPAGE 1 OF 1 BORING NUMBER SB-3 CLIENT Black Cherry Development LLC PROJECT NUMBER 21-0364 PROJECT NAME Erhart Property PROJECT LOCATION Chanhassen, MN GEOTECH BH PLOTS - GINT STD US LAB.GDT - 5/12/21 14:52 - C:\USERS\HGTS 3\DROPBOX (HGTS)\HAUGO GEOTECHNICAL SERVICES\GINT PROJECT BACKUP\PROJECTS\21-0364 ERHART PROPERTY.GPJHaugo GeoTechnical Services 2825 Cedar Ave South Minneapolis, MN 55407 Telephone: 612-729-2959 Fax: 763-445-2238 DRAFTSubject to RevisionSandy Lean Clay, trace Roots, black, wet. (Topsoil) (SC) Clayey Sand, fine to medium grained, trace Gravel, loose to medium dense. (Glacial Till) (CL) Sandy Lean Clay, trace Gravel, wet, stiff. (Glacial Till) Bottom of borehole at 14.5 feet. AU 23 SS 24 SS 25 SS 26 SS 27 SS 28 SS 29 3-3-5 (8) 2-8-8 (16) 6-7-9 (16) 4-5-8 (13) 4-7-8 (15) 6-6-8 (14) NOTES GROUND ELEVATION 895.5 ft LOGGED BY DRILLING METHOD Hollow Stem Auger/Split Spoon DRILLING CONTRACTOR HGTS - 750 GROUND WATER LEVELS: CHECKED BY PG DATE STARTED 4/14/21 COMPLETED 4/14/21 AT TIME OF DRILLING --- Not Encountered AT END OF DRILLING --- Not Encountered AFTER DRILLING --- Not Encountered HOLE SIZE 3 1/4 inches FINES CONTENT (%) 20 40 60 80 20 40 60 80 PL LLMC DEPTH(ft)0 5 10 GRAPHICLOGMATERIAL DESCRIPTION SAMPLE TYPENUMBERRECOVERY %(RQD)BLOWCOUNTS(N VALUE) SPT N VALUE 20 40 60 80 MOISTURE CONT.(%)NOTESPAGE 1 OF 1 BORING NUMBER SB-4 CLIENT Black Cherry Development LLC PROJECT NUMBER 21-0364 PROJECT NAME Erhart Property PROJECT LOCATION Chanhassen, MN GEOTECH BH PLOTS - GINT STD US LAB.GDT - 5/12/21 14:52 - C:\USERS\HGTS 3\DROPBOX (HGTS)\HAUGO GEOTECHNICAL SERVICES\GINT PROJECT BACKUP\PROJECTS\21-0364 ERHART PROPERTY.GPJHaugo GeoTechnical Services 2825 Cedar Ave South Minneapolis, MN 55407 Telephone: 612-729-2959 Fax: 763-445-2238 DRAFTSubject to RevisionSilty Clay, black, wet. (Topsoil) (CL) Sandy Lean Clay, trace Gravel, brown and gray, wet, soft to medium. (Glacial Till) (SC) Clayey Sand, fine to medium grained, trace Gravel, Sand Seam at 10 feet, brown and gray, waterbearing, medium dense. (Glacial Till) (CL) Sandy Lean Clay, trace Gravel, gray, wet, rather stiff. (Glacial Till) Bottom of borehole at 14.5 feet. AU 30 SS 31 SS 32 SS 33 SS 34 SS 35 SS 36 1-1-1 (2) 1-3-3 (6) 3-5-6 (11) 3-5-7 (12) 3-5-7 (12) 3-5-6 (11) NOTES GROUND ELEVATION 879.5 ft LOGGED BY DRILLING METHOD Hollow Stem Auger/Split Spoon DRILLING CONTRACTOR HGTS - 750 GROUND WATER LEVELS: CHECKED BY PG DATE STARTED 4/14/21 COMPLETED 4/14/21 AT TIME OF DRILLING 10.80 ft / Elev 868.70 ft AT END OF DRILLING --- AFTER DRILLING --- HOLE SIZE 3 1/4 inches FINES CONTENT (%) 20 40 60 80 20 40 60 80 PL LLMC DEPTH(ft)0 5 10 GRAPHICLOGMATERIAL DESCRIPTION SAMPLE TYPENUMBERRECOVERY %(RQD)BLOWCOUNTS(N VALUE) SPT N VALUE 20 40 60 80 MOISTURE CONT.(%)NOTESPAGE 1 OF 1 BORING NUMBER SB-5 CLIENT Black Cherry Development LLC PROJECT NUMBER 21-0364 PROJECT NAME Erhart Property PROJECT LOCATION Chanhassen, MN GEOTECH BH PLOTS - GINT STD US LAB.GDT - 5/12/21 14:52 - C:\USERS\HGTS 3\DROPBOX (HGTS)\HAUGO GEOTECHNICAL SERVICES\GINT PROJECT BACKUP\PROJECTS\21-0364 ERHART PROPERTY.GPJHaugo GeoTechnical Services 2825 Cedar Ave South Minneapolis, MN 55407 Telephone: 612-729-2959 Fax: 763-445-2238 DRAFTSubject to RevisionSandy Lean Clay, trace Roots, dark brown, wet. (Topsoil) (CL) Sandy Lean Clay, trace Gravel, brown, wet, rather soft to rather stiff. (Glacial Till) (SC) Clay Sand, fine to medium grained, trace gravel, brown, moist, loose. (Glacial Till) (CL-ML) Sandy Clay, black, wet, rather stiff. (Glacil Till) Bottom of borehole at 14.5 feet. AU 37 SS 38 SS 39 SS 40 SS 41 SS 42 SS 43 2-2-4 (6) 2-2-3 (5) 3-4-5 (9) 2-4-5 (9) 3-5-6 (11) 3-6-6 (12) NOTES GROUND ELEVATION 896.5 ft LOGGED BY DRILLING METHOD Hollow Stem Auger/Split Spoon DRILLING CONTRACTOR HGTS - 750 GROUND WATER LEVELS: CHECKED BY PG DATE STARTED 4/14/21 COMPLETED 4/14/21 AT TIME OF DRILLING --- Not Encountered AT END OF DRILLING --- Not Encountered AFTER DRILLING --- Not Encountered HOLE SIZE 3 1/4 inches FINES CONTENT (%) 20 40 60 80 20 40 60 80 PL LLMC DEPTH(ft)0 5 10 GRAPHICLOGMATERIAL DESCRIPTION SAMPLE TYPENUMBERRECOVERY %(RQD)BLOWCOUNTS(N VALUE) SPT N VALUE 20 40 60 80 MOISTURE CONT.(%)NOTESPAGE 1 OF 1 BORING NUMBER SB-6 CLIENT Black Cherry Development LLC PROJECT NUMBER 21-0364 PROJECT NAME Erhart Property PROJECT LOCATION Chanhassen, MN GEOTECH BH PLOTS - GINT STD US LAB.GDT - 5/12/21 14:52 - C:\USERS\HGTS 3\DROPBOX (HGTS)\HAUGO GEOTECHNICAL SERVICES\GINT PROJECT BACKUP\PROJECTS\21-0364 ERHART PROPERTY.GPJHaugo GeoTechnical Services 2825 Cedar Ave South Minneapolis, MN 55407 Telephone: 612-729-2959 Fax: 763-445-2238 August 2, 2021 HGTS Project Number: 21-0364 Mr. Dan Blake Black Cherry Development, LLC 14500 Martin Drive #3000 Eden Prairie, MN 55344 RE: Double Ring Infiltrometer Test Results, Erhart Property Residential Development, Chanhassen, Minnesota. Dear Mr. Blake: We have completed the double ring infiltrometer tests and soil borings for the proposed stormwater pond within the Erhart Property Residential Development in Chanhassen, Minnesota. This letter provides a summary of the soil and groundwater conditions encountered in the soil borings and provides soil infiltration rates for use in designing the proposed stormwater ponds. Our services were performed as requested and authorized by you and under the terms of our General Conditions. Project Description Haugo Geotechnical Services (HGTS) recently competed a geotechnical exploration for the project the results of which were presented in our report dated May 22, 2021. The report presented the results of 6 soil boring and provided recommendation foundation design and construction. The report also provided estimated soil infiltration rates for use in stormwater pond design. Since completion of the report, we understand that the City of Chanhassen and/or the watershed district required double ring infiltrometer teats and soil borings to further evaluate soil conditions within the stormwater ponds. Documents Provided To aid in our evaluation, we were provided with a plan sheet titled “Erhart Farm Infiltration Test” that was prepared by Alliant Engineering dated June 28, 2021. In general, the plan sheet showed a layout of the development and the proposed and existing topographic contours. The proposed soil boring locations and double ring infiltrometer test locations along with the required soil boring depths and double ring test elevations were also shown on the plan sheet. Locations and Elevations The soil boring and double ring test locations were selected and staked in the field by Alliant Engineering. Ground surface elevations at the boring locations and double ring infiltrometer test locations were also provided by Alliant Engineering. P a g e | 2 Procedures Soil Borings Two (2) standard penetration test (SPT) borings were advanced on July 21, 2021 by Haugo GeoTechnical Services (HGTS) with a rotary drilling rig, using continuous flight augers to advance the borehole. Representative samples were obtained from the boring, using the split-barrel sampling procedures in general accordance with ASTM Specification D-1586. In the split-barrel sampling procedure, a 2-inch O.D. split-barrel spoon is driven into the ground with a 140-pound hammer falling 30 inches. The number of blows required to drive the sampling spoon the last 12 inches of an 18-inch penetration is recorded as the standard penetration resistance value, or “N” value. The results of the standard penetration tests are indicated on the boring log. The soils encountered in the SPT boring were classified in general accordance with ASTM 2488, “Description and Identification of Soils (Visual/Manual Procedures)”. Samples were placed in clean glass sample jars and returned to the laboratory at HGTS for laboratory moisture content testing and percent passing the #200 sieve (P-200). A field log of the boring was prepared by the HGTS drill crew. The log contains visual classifications of the soil materials encountered during drilling, as well as the driller’s interpretation of the subsurface conditions between samples and water observation notes. The final boring log included with this report represents an interpretation of the field log and includes modifications based on visual/manual method observation of the samples. The soil boring log, general terminology for soil description and identification, and classification of soils for engineering purposes are also included in the appendix. The soil boring log identifies and describes the materials encountered, the relative density of consistency based on the Standard Penetration resistance (N-value, “blows per foot”) and groundwater observations. The strata changes were inferred from the changes in the samples and auger cuttings. The depths shown as changes between strata are only approximate. The changes are likely transitions, variations can occur beyond the location of the boring. Double Ring Infiltrometer Tests Two (2) double ring infiltration tests were performed on July 21, 2021 to measure in-situ soil permeability and were performed in general accordance with ASTM D3385-18, “Standard Test Method for Infiltration Rate of Soils in Field Using Double-Ring Infiltrometer”. Results of the double ring infiltrometer test are summarized in the Table 2 in the “Results” section below. A copy of the test results and a sketch showing the approximate test location is attached. Results - Soil Borings Soils The soil boring encountered about 1 foot of sandy lean clay topsoil that was dark brown in color and contained some roots. Below the topsoil, the soil borings encountered glacial till deposits composed of sandy lean clay and clayey sand that extended to the termination depth of the boring. Penetration resistance values (N-Values), shown as blows per foot (bpf) on the boring log, within the glacial till ranged from 10 to 19 bpf. These values indicate the glacial till had a rather stiff to very stiff consistency. P a g e | 3 Groundwater Groundwater was not encountered in the soil boring while drilling or after removing the augers from the boreholes. Groundwater appears to be below the depth explored by these borings. Water levels were measured on the dates as noted on the boring logs and the period of water level observations was relatively short. Given the cohesive nature of the soil encountered, it is possible that insufficient time was available for groundwater to seep into the borings and rise to its hydrostatic level. Groundwater monitoring wells or piezometers would be required to more accurately determine water levels. Seasonal and annual fluctuations in the groundwater levels should be expected. Laboratory Testing Laboratory moisture content and percent passing the number 200 sieve (P-200) content tests were performed on selected samples recovered from soil boring SB-8. Moisture contents ranged from about 16 to 19 percent. The P-200 content is a measure of the silt and clay sized particles (fines) in the soils which can affect soil infiltration rates. In general, the greater the P-200 content of a sample the less permeable the soils will be. Table 1 summarizes the results of the laboratory tests. Results of the moisture content tests and P-200 tests are also shown on the boring logs adjacent to the sample tested. Table 1. Summary of Laboratory Tests Boring Number Sample Number Depth (feet) Moisture Content (%) * P-200 Content (%) * SB-8 SS-54 5 16 53 SB-8 SS-55 7 ½ 17 52 SB-8 SS-57 12 ½ 19 54 ½ *Moisture content and P-200 values rounded to the nearest ½ percent. Results - Double Ring Infiltrometer Tests Double ring infiltrometer test results are summarized in Table 2. Columns 3 and 4 of the provide an average infiltration rate and a stabilized infiltration rate, respectively, for each test. The “average” infiltration rate represents the average infiltration rate across the entire duration of each test. The initial phase of the test generally measures the “saturation” of the subgrade soils which typically results in a higher indicated infiltration rate. For that reason, the stabilized infiltration rate, which is typically the last hour, approximately, of the tests is typically used for design purposes. Table 2. Summary of Double Ring Infiltrometer Results Test Location Approximate Test Elevation Average Infiltration Rate (inches/hour)* Stabilized Infiltration Rate (inches/hour)* INF 1 881.2 2.7 2.2 INF-2 882.0 0.2 0.1 * = Test results were rounded to the nearest 0.1 inch/hour General Haugo GeoTechnical Services has used the degree of skill and care ordinarily exercised under similar circumstance by members of the profession currently practicing in this locality. No warranty expressed or implied is made. Haugo GeoTechnical Services does not practice in the field of surveying therefore the locations and elevations referenced or described above should be considered approximate. P a g e | 4 The analyses presented in this report are based on data obtained from a limited number of tests. Variations can occur away from the test locations, the nature of which may not become apparent until additional exploration work is completed or construction is conducted. It should also be noted that soil infiltration rates can vary due to; soil moisture content, soil compaction, the placement or introduction of fine-grained soils, topsoil or biofiltration media and changes or variations in local groundwater levels. These variations may result in additional construction costs and it is suggested that a contingency be provided for this purpose. We made water level measurements in the soil borings at the times and under the conditions stated on the boring logs. The data was interpreted in the text of this report. The period of observation was relatively short and fluctuations in the groundwater level may occur due to rainfall, flooding, irrigation, spring thaw, drainage, and other seasonal and annual factors not evident at the time the observations were made. Design drawings and specifications and construction planning should recognize the possibility of fluctuations. Thank you for the opportunity to assist you on this project. If you have any questions or need additional information, please contact Lucas Mol or Paul Gionfriddo at 612-729-2959. Sincerely, HAUGO GEOTECHNICAL SERVICES Lucas Mol Project Manager I hereby certify that this plan, specification or report was prepared by me or under my direct supervision and that I am a duly licensed professional engineer under the laws of the State of Minnesota. Paul Gionfriddo, P.E. Senior Engineer License Number 23093 Attachments: Soil Boring & Double Ring Infiltrometer Location Sketch Soil Boring Logs, SB-7 & SB-8 Descriptive Terminology of Soil Characteristics Double Ring Infiltrometer Test Results, INF-1 & INF-2 Haugo GeoTechnical Services, LLC 2825 Cedar Avenue S. Minneapolis, MN 55407 Figure #: 1 Drawn By: NA Date: 7/28/2021 Scale: None Project #: 21-0364 Soil Boring and INF Location Sketch Erhart Property Chanhassen, Minnesota Legend Approximate Soil Boring and INF Location Disclaimer: Map and parcel data are believed to be accurate, but accuracy is not guaranteed. This is not a legal document and should not be substituted for a title search, appraisal, survey, or for zoning verification. SB-7 INF-2 INF-1 SB-8 Sandy Lean Clay, trace Roots, dark brown, moist. (Topsoil) (CL) Sandy Lean Clay, trace Gravel, brown, wet, rather stiff. (Glacial Till) (SC) Clayey Sand, fine to medium grained, trace Gravel, brown and gray, moist, medium dense. (Glacial Till) (CL) Sandy Lean Clay, trace Gravel, brown, wet, stiff. (Glacial Till) Bottom of borehole at 21.0 feet. AU 44 SS 45 SS 46 SS 47 SS 48 SS 49 SS 50 SS 51 4-5-5 (10) 4-6-7 (13) 3-5-7 (12) 3-6-9 (15) 4-6-9 (15) 6-6-8 (14) 6-9-10 (19) NOTES GROUND ELEVATION 905 ft LOGGED BY MS DRILLING METHOD Hollow Stem Auger/Split Spoon DRILLING CONTRACTOR HGTS - 750 GROUND WATER LEVELS: CHECKED BY PG DATE STARTED 7/21/21 COMPLETED 7/21/21 AT TIME OF DRILLING --- Not Encountered AT END OF DRILLING --- AFTER DRILLING --- Not Encountered HOLE SIZE 3 1/4 inches FINES CONTENT (%) 20 40 60 80 20 40 60 80 PL LLMC DEPTH(ft)0 5 10 15 20 GRAPHICLOGMATERIAL DESCRIPTION SAMPLE TYPENUMBERRECOVERY %(RQD)BLOWCOUNTS(N VALUE) SPT N VALUE 20 40 60 80 MOISTURE CONT.(%)NOTESPAGE 1 OF 1 BORING NUMBER SB-7 CLIENT Black Cherry Development LLC PROJECT NUMBER 21-0364 PROJECT NAME Erhart Property PROJECT LOCATION Chanhassen, MN GEOTECH BH PLOTS - GINT STD US LAB.GDT - 8/2/21 09:09 - C:\USERS\HGTS 3\DROPBOX (HGTS)\HAUGO GEOTECHNICAL SERVICES\GINT PROJECT BACKUP\PROJECTS\21-0364 ERHART PROPERTY.GPJHaugo GeoTechnical Services 2825 Cedar Ave South Minneapolis, MN 55407 Telephone: 612-729-2959 Fax: 763-445-2238 Sandy Lean Clay, trace Roots, dark brown, moist. (Topsoil) (CL) Sandy Lean Clay, trace Gravel, brown, wet, stiff. (Glacial Till) P-200=53% P-200=52% P-200=54.5 (CL) Sandy Lean Clay, trace Gravel, gray, wet, rather stiff. (Glacial Till) Bottom of borehole at 21.0 feet. AU 52 SS 53 SS 54 SS 55 SS 56 SS 57 SS 58 SS 59 5-6-9 (15) 5-7-8 (15) 5-7-8 (15) 5-7-9 (16) 3-6-10 (16) 3-6-10 (16) 3-5-7 (12) 16 17 19 NOTES GROUND ELEVATION 887.1 ft LOGGED BY MS DRILLING METHOD Hollow Stem Auger/Split Spoon DRILLING CONTRACTOR HGTS - 750 GROUND WATER LEVELS: CHECKED BY PG DATE STARTED 7/21/21 COMPLETED 7/21/21 AT TIME OF DRILLING --- Not Encountered AT END OF DRILLING --- AFTER DRILLING --- Not Encountered HOLE SIZE 3 1/4 inches FINES CONTENT (%) 20 40 60 80 20 40 60 80 PL LLMC DEPTH(ft)0 5 10 15 20 GRAPHICLOGMATERIAL DESCRIPTION SAMPLE TYPENUMBERRECOVERY %(RQD)BLOWCOUNTS(N VALUE) SPT N VALUE 20 40 60 80 MOISTURE CONT.(%)NOTESPAGE 1 OF 1 BORING NUMBER SB-8 CLIENT Black Cherry Development LLC PROJECT NUMBER 21-0364 PROJECT NAME Erhart Property PROJECT LOCATION Chanhassen, MN GEOTECH BH PLOTS - GINT STD US LAB.GDT - 8/2/21 09:09 - C:\USERS\HGTS 3\DROPBOX (HGTS)\HAUGO GEOTECHNICAL SERVICES\GINT PROJECT BACKUP\PROJECTS\21-0364 ERHART PROPERTY.GPJHaugo GeoTechnical Services 2825 Cedar Ave South Minneapolis, MN 55407 Telephone: 612-729-2959 Fax: 763-445-2238 Constants Area cm2 Depth of Liquid (cm) Liquid Container Number Inner Ring 729 11.0 1 Elevation:Annular Space 2189 11.0 2 Liquid: Remarks Inner Ring Reading cm Inner Maroitte Tube Flow (ml) Annular Space Reading cm Annular Space Marriotte Tube Flow (ml) Inner Infiltration Rate (Inch/h) Annular Infiltration Rate (Inch/h) Ground Temp Depth (cm) Temp at Depth (F) Weather conditions Etc... Hourly Inner Infiltration Rate (Inch/h) Start Test 7/21/2021 12:15 0:15 63.0 End Test 7/21/2021 12:30 0:15 n/a n/a Start Test 7/21/2021 12:30 0:15 63.0 End Test 7/21/2021 12:45 0:30 n/a n/a Start Test 7/21/2021 12:45 0:15 63.0 End Test 7/21/2021 13:00 0:45 n/a n/a Start Test 7/21/2021 13:00 0:15 63.0 End Test 7/21/2021 13:15 1:00 n/a n/a Start Test 7/21/2021 13:15 0:15 63.0 End Test 7/21/2021 13:30 1:15 n/a n/a Start Test 7/21/2021 13:30 0:15 63.0 End Test 7/21/2021 13:45 1:30 n/a n/a Start Test 7/21/2021 13:45 0:15 63.0 End Test 7/21/2021 14:00 1:45 n/a n/a Start Test 7/21/2021 14:00 0:15 63.0 End Test 7/21/2021 14:15 2:00 n/a n/a Start Test 7/21/2021 14:30 0:00 63.0 End Test 7/21/2021 14:30 2:00 n/a n/a Start Test 7/21/2021 14:30 0:15 63.0 End Test 7/21/2021 14:45 2:15 n/a n/a Start Test 7/21/2021 14:45 0:15 63.0 End Test 7/21/2021 15:00 2:30 n/a n/a Start Test 7/21/2021 15:00 0:15 63.0 End Test 7/21/2021 15:15 2:45 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 12:15 End Test 15:15 3:00 0.00 0.00 0.00 0.00 2.16 Total Infiltration in Inches (3 Hour Test)Final Results 21 24 23 18 0.00 20 0.00 2.16 0.00 2.16 2.16 2.16 2.16 2.16 2.16 2.16 22 0.00 0.00 19 0.00 0.00 0.00 0.00170.00 0.00 9 1000 3000 2.16 0.00 0.00 0.00 0.00 13 0.00 0.00 16 8 1000 3000 2.16 0.0015 11 1000 3000 10 1000 0.0014 2.16 3000 2.16 12 1000 3000 2.16 7 1000 3000 2.16 2.16 6 1000 3000 2.16 5 1000 3000 2.16 4 1000 3000 3 1000 6000 2.16 4.32 4.32 2.16 6000 4.32 1 3000 6000 6.48 2000 2.16 Infiltrometer Recording Chart Marriotte Tube Volume 3000 10000 Project Identification:21-0364 Soil Type: Test Location: Silty Sands 881.2INF 1 East Test Trial # Tested By: Penetration Depth of Outer Ring:Depth to water table:3 inches Start / End Date MM/DD/YY Time HR:MIN Elapsed Time Chg/(Total) Min Liquid level maintained using:( X ) Flow Valve ( ) Float Valve ( ) Mariotte Tubes Liquid Temp (F) Flow Readings Inner Infiltration Rate Ground Temperature M. Swanson Water 4.32 3.782 15000 45000 2.70 2.70 8.10 0.00 0.00 Constants Area cm2 Depth of Liquid (cm) Liquid Container Number Inner Ring 729 11.0 1 Elevation:Annular Space 2189 11.0 2 Liquid: Remarks Inner Ring Reading cm Inner Maroitte Tube Flow (ml) Annular Space Reading cm Annular Space Marriotte Tube Flow (ml) Inner Infiltration Rate (Inch/h) Annular Infiltration Rate (Inch/h) Ground Temp Depth (cm) Temp at Depth (F) Weather conditions Etc... Hourly Inner Infiltration Rate (Inch/h) Start Test 7/21/2021 12:15 0:15 63.0 End Test 7/21/2021 12:30 0:15 n/a n/a Start Test 7/21/2021 12:30 0:15 63.0 End Test 7/21/2021 12:45 0:30 n/a n/a Start Test 7/21/2021 12:45 0:15 63.0 End Test 7/21/2021 13:00 0:45 n/a n/a Start Test 7/21/2021 13:00 0:15 63.0 End Test 7/21/2021 13:15 1:00 n/a n/a Start Test 7/21/2021 13:15 0:15 63.0 End Test 7/21/2021 13:30 1:15 n/a n/a Start Test 7/21/2021 13:30 0:15 63.0 End Test 7/21/2021 13:45 1:30 n/a n/a Start Test 7/21/2021 13:45 0:15 63.0 End Test 7/21/2021 14:00 1:45 n/a n/a Start Test 7/21/2021 14:00 0:15 63.0 End Test 7/21/2021 14:15 2:00 n/a n/a Start Test 7/21/2021 14:30 0:00 63.0 End Test 7/21/2021 14:30 2:00 n/a n/a Start Test 7/21/2021 14:30 0:15 63.0 End Test 7/21/2021 14:45 2:15 n/a n/a Start Test 7/21/2021 14:45 0:15 63.0 End Test 7/21/2021 15:00 2:30 n/a n/a Start Test 7/21/2021 15:00 0:15 63.0 End Test 7/21/2021 15:15 2:45 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 12:15 End Test 15:15 3:00 0.00 0.00 0.00 0.00 0.11 Total Infiltration in Inches (3 Hour Test)Final Results 21 24 23 18 0.00 20 0.00 0.11 0.00 0.36 0.36 0.36 0.36 0.36 0.36 0.36 22 0.00 0.00 19 0.00 0.00 0.00 0.00170.00 0.00 9 50 500 0.11 0.00 0.00 0.00 0.00 13 0.00 0.00 16 8 50 500 0.11 0.0015 11 50 500 10 50 0.0014 0.11 500 0.11 12 50 500 0.11 7 50 500 0.11 0.36 6 50 500 0.11 5 50 500 0.11 4 50 500 3 50 1000 0.11 0.72 0.72 0.36 1000 0.54 1 250 1000 0.54 250 0.11 Infiltrometer Recording Chart Marriotte Tube Volume 3000 10000 Project Identification:21-0364 Soil Type: Test Location: Silty Sands 882.0INF 2 West Test Trial # Tested By: Penetration Depth of Outer Ring:Depth to water table:3 inches Start / End Date MM/DD/YY Time HR:MIN Elapsed Time Chg/(Total) Min Liquid level maintained using:( X ) Flow Valve ( ) Float Valve ( ) Mariotte Tubes Liquid Temp (F) Flow Readings Inner Infiltration Rate Ground Temperature J. Fitzpatrick Water 0.72 0.322 1000 7500 0.18 0.45 0.54 0.00 0.00 Haugo GeoTechnical Services, LLC 2825 Cedar Avenue S. Minneapolis, MN 55407 Figure #: 1 Drawn By: LM Date: 9/24/2021 Scale: None Project #: 21-0364 Soil Boring and INF Location Sketch Erhart Property – Additional Infiltration Tests Chanhassen, Minnesota Legend Approximate Infiltration Test Location Disclaimer: Map and parcel data are believed to be accurate, but accuracy is not guaranteed. This is not a legal document and should not be substituted for a title search, appraisal, survey, or for zoning verification. INF-3 INF-4 INF-2 INF-1 Constants Area cm2 Depth of Liquid (cm) Liquid Container Number Inner Ring 729 11.0 1 Elevation:Annular Space 2189 11.0 2 Liquid: Remarks Inner Ring Reading cm Inner Maroitte Tube Flow Annular Space Reading cm Annular Space Marriotte Tube Flow (ml) Inner Infiltration Rate (Inch/h) Annular Infiltration Rate (Inch/h) Ground Temp Depth (in) Temp at Depth (F) Weather conditions Etc... Hourly Inner Infiltration Rate (Inch/h) Start Test 9/27/2021 9:00 0:15 63.0 End Test 9/27/2021 9:15 0:15 n/a n/a Start Test 9/27/2021 9:15 0:15 63.0 End Test 9/27/2021 9:30 0:30 n/a n/a Start Test 9/27/2021 9:30 0:15 63.0 End Test 9/27/2021 9:45 0:45 n/a n/a Start Test 9/27/2021 9:45 0:15 63.0 End Test 9/27/2021 10:00 1:00 n/a n/a Start Test 9/27/2021 10:00 0:15 63.0 End Test 9/27/2021 10:15 1:15 n/a n/a Start Test 9/27/2021 10:15 0:15 63.0 End Test 9/27/2021 10:30 1:30 n/a n/a Start Test 9/27/2021 10:30 0:15 63.0 End Test 9/27/2021 10:45 1:45 n/a n/a Start Test 9/27/2021 10:45 0:15 63.0 End Test 9/27/2021 11:00 2:00 n/a n/a Start Test 9/27/2021 11:00 0:15 63.0 End Test 9/27/2021 11:15 2:15 n/a n/a Start Test 9/27/2021 11:15 0:15 63.0 End Test 9/27/2021 11:30 2:30 n/a n/a Start Test 9/27/2021 11:30 0:15 63.0 End Test 9/27/2021 11:45 2:45 n/a n/a Start Test 9/27/2021 11:45 0:15 63.0 End Test 9/27/2021 12:00 3:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 9:00 End Test 12:00 3:00 0.00 0.22 61, Sunny 2 800 0 0.14 0.00 0.43 0.00 0.00 Tested By: Penetration Depth of Outer Ring:Depth to water table:3 inches Start / End Date MM/DD/YY Time HR:MIN Elapsed Time Chg/(Total) Min Water at 8" below test grade, Liquid level maintained using:( X ) Flow Valve ( ) Float Valve ( ) Mariotte Tubes Liquid Temp (F) Flow Readings Inner Infiltration Rate Ground Temperature N. Curtis Water 0 0.00 1 200 0 0.43 0 0.43 Infiltrometer Recording Chart Marriotte Tube Volume 3000 10000 Project Identification:21-0364 Erhart Property, North Basin Soil Type: Test Location:877INF-1 Trial # 0.00 0.00 0.00 5 0 0 0.00 4 200 0 3 0 0 0.00 0.43 7 0 0 0.00 0.00 6 0 0 0.00 8 200 0 0.43 0.0015 11 0 0 10 0 0.0014 0.00 0 0.00 12 200 0 0.00 0.00 0.00 0.00 13 0.00 0.00 16 22 0.00 0.00 19 0.00 0.00 0.00 0.00170.00 0.00 9 0 0 0.00 0.11 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Final Results 21 24 23 18 0.00 20 0.00 0.00 0.00 0.00 0.00 0.11 Total Infiltration in Inches (3 Hour Test) Constants Area cm2 Depth of Liquid (cm) Liquid Container Number Inner Ring 729 11.0 1 Elevation:Annular Space 2189 11.0 2 Liquid: Remarks Inner Ring Reading cm Inner Maroitte Tube Flow Annular Space Reading cm Annular Space Marriotte Tube Flow (ml) Inner Infiltration Rate (Inch/h) Annular Infiltration Rate (Inch/h) Ground Temp Depth (in) Temp at Depth (F) Weather conditions Etc... Hourly Inner Infiltration Rate (Inch/h) Start Test 9/24/2021 14:15 0:15 63.0 End Test 9/24/2021 14:30 0:15 n/a n/a Start Test 9/24/2021 14:30 0:15 63.0 End Test 9/24/2021 14:45 0:30 n/a n/a Start Test 9/24/2021 14:45 0:15 63.0 End Test 9/24/2021 15:00 0:45 n/a n/a Start Test 9/24/2021 15:00 0:15 63.0 End Test 9/24/2021 15:15 1:00 n/a n/a Start Test 9/24/2021 15:15 0:15 63.0 End Test 9/24/2021 15:30 1:15 n/a n/a Start Test 9/24/2021 15:30 0:15 63.0 End Test 9/24/2021 15:45 1:30 n/a n/a Start Test 9/24/2021 15:45 0:15 63.0 End Test 9/24/2021 16:00 1:45 n/a n/a Start Test 9/24/2021 16:00 0:15 63.0 End Test 9/24/2021 16:15 2:00 n/a n/a Start Test 9/24/2021 16:15 0:15 63.0 End Test 9/24/2021 16:30 2:15 n/a n/a Start Test 9/24/2021 16:30 0:15 63.0 End Test 9/24/2021 16:45 2:30 n/a n/a Start Test 9/24/2021 16:45 0:15 63.0 End Test 9/24/2021 17:00 2:45 n/a n/a Start Test 9/24/2021 17:00 0:15 63.0 End Test 9/24/2021 17:15 3:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 14:15 End Test 17:15 3:00 3.60 4.32 54, Cloudy 54, Cloudy2 18600 39500 3.35 2.37 10.05 0.00 0.00 Tested By: Penetration Depth of Outer Ring:Depth to water table:3 inches Start / End Date MM/DD/YY Time HR:MIN Elapsed Time Chg/(Total) Min not encountered at 36" Liquid level maintained using:( X ) Flow Valve ( ) Float Valve ( ) Mariotte Tubes Liquid Temp (F) Flow Readings Inner Infiltration Rate Ground Temperature N. Curtis Water 4000 4.32 1 2500 5000 5.40 2000 3.24 Infiltrometer Recording Chart Marriotte Tube Volume 3000 10000 Project Identification:21-0364 Erhart Property, West Basin Soil Type: Test Location:904.3INF-2 Trial # 54, Cloudy 2.88 2.52 54, Cloudy2.16 5 1500 3000 3.24 4 1500 3000 3 2000 3500 4.32 2.81 7 1300 3000 2.81 2.16 6 1300 3000 2.81 8 1300 3000 2.81 0.0015 11 1300 3000 10 1300 0.0014 2.81 3000 2.81 12 1300 3000 0.00 0.00 0.00 0.00 13 0.00 0.00 16 22 0.00 0.00 19 0.00 0.00 0.00 0.00170.00 0.00 9 1300 3000 2.81 2.92 0.00 2.16 2.16 2.16 2.16 2.16 2.16 54, Cloudy 54, Cloudy2.16 54, Cloudy 54, Cloudy Final Results 21 24 54, Cloudy 54, Cloudy 54, Cloudy 23 18 0.00 20 0.00 0.00 0.00 0.00 0.00 2.81 Total Infiltration in Inches (3 Hour Test) 54, Cloudy Constants Area cm2 Depth of Liquid (cm) Liquid Container Number Inner Ring 729 11.0 1 Elevation:Annular Space 2189 11.0 2 Liquid: Remarks Inner Ring Reading cm Inner Maroitte Tube Flow Annular Space Reading cm Annular Space Marriotte Tube Flow (ml) Inner Infiltration Rate (Inch/h) Annular Infiltration Rate (Inch/h) Ground Temp Depth (in) Temp at Depth (F) Weather conditions Etc... Hourly Inner Infiltration Rate (Inch/h) Start Test 9/24/2021 10:45 0:15 63.0 End Test 9/24/2021 11:00 0:15 n/a n/a Start Test 9/24/2021 11:00 0:15 63.0 End Test 9/24/2021 11:15 0:30 n/a n/a Start Test 9/24/2021 11:15 0:15 63.0 End Test 9/24/2021 11:30 0:45 n/a n/a Start Test 9/24/2021 11:30 0:15 63.0 End Test 9/24/2021 11:45 1:00 n/a n/a Start Test 9/24/2021 11:45 0:15 63.0 End Test 9/24/2021 12:00 1:15 n/a n/a Start Test 9/24/2021 12:00 0:15 63.0 End Test 9/24/2021 12:15 1:30 n/a n/a Start Test 9/24/2021 12:15 0:15 63.0 End Test 9/24/2021 12:30 1:45 n/a n/a Start Test 9/24/2021 12:30 0:15 63.0 End Test 9/24/2021 12:45 2:00 n/a n/a Start Test 9/24/2021 12:45 0:15 63.0 End Test 9/24/2021 13:00 2:15 n/a n/a Start Test 9/24/2021 13:00 0:15 63.0 End Test 9/24/2021 13:15 2:30 n/a n/a Start Test 9/24/2021 13:15 0:15 63.0 End Test 9/24/2021 13:30 2:45 n/a n/a Start Test 9/24/2021 13:30 0:15 63.0 End Test 9/24/2021 13:45 3:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 10:45 End Test 13:45 3:00 4.32 4.05 59, Cloudy 59, Cloudy2 16000 32000 2.88 1.92 8.64 0.00 0.00 Tested By: Penetration Depth of Outer Ring:Depth to water table:3 inches Start / End Date MM/DD/YY Time HR:MIN Elapsed Time Chg/(Total) Min not encountered at 36" Liquid level maintained using:( X ) Flow Valve ( ) Float Valve ( ) Mariotte Tubes Liquid Temp (F) Flow Readings Inner Infiltration Rate Ground Temperature N. Curtis Water 5000 4.32 1 2500 6000 5.40 2000 3.24 Infiltrometer Recording Chart Marriotte Tube Volume 3000 10000 Project Identification:21-0364 Erhart Property, South Basin Soil Type: Test Location:880.4INF-3 West Side Trial # 59, Cloudy 3.60 3.24 59, Cloudy2.16 5 1500 2500 3.24 4 1500 3000 3 1500 4500 3.24 2.16 7 1000 1500 2.16 1.08 6 1000 2000 2.16 8 1000 1500 2.16 0.0015 11 1000 1500 10 1000 0.0014 2.16 1500 2.16 12 1000 1500 0.00 0.00 0.00 0.00 13 0.00 0.00 16 22 0.00 0.00 19 0.00 0.00 0.00 0.00170.00 0.00 9 1000 1500 2.16 2.43 0.00 1.08 1.08 1.08 1.08 1.44 1.80 54, Cloudy 54, Cloudy1.08 59, Cloudy 59, Cloudy Final Results 21 24 59, Cloudy 59, Cloudy 54, Cloudy 23 18 0.00 20 0.00 0.00 0.00 0.00 0.00 2.16 Total Infiltration in Inches (3 Hour Test) 54, Cloudy Constants Area cm2 Depth of Liquid (cm) Liquid Container Number Inner Ring 729 11.0 1 Elevation:Annular Space 2189 11.0 2 Liquid: Remarks Inner Ring Reading cm Inner Maroitte Tube Flow Annular Space Reading cm Annular Space Marriotte Tube Flow (ml) Inner Infiltration Rate (Inch/h) Annular Infiltration Rate (Inch/h) Ground Temp Depth (in) Temp at Depth (F) Weather conditions Etc... Hourly Inner Infiltration Rate (Inch/h) Start Test 9/24/2021 10:15 0:15 63.0 End Test 9/24/2021 10:30 0:15 n/a n/a Start Test 9/24/2021 10:30 0:15 63.0 End Test 9/24/2021 10:45 0:30 n/a n/a Start Test 9/24/2021 10:45 0:15 63.0 End Test 9/24/2021 11:00 0:45 n/a n/a Start Test 9/24/2021 11:00 0:15 63.0 End Test 9/24/2021 11:15 1:00 n/a n/a Start Test 9/24/2021 11:15 0:15 63.0 End Test 9/24/2021 11:30 1:15 n/a n/a Start Test 9/24/2021 11:30 0:15 63.0 End Test 9/24/2021 11:45 1:30 n/a n/a Start Test 9/24/2021 11:45 0:15 63.0 End Test 9/24/2021 12:00 1:45 n/a n/a Start Test 9/24/2021 12:00 0:15 63.0 End Test 9/24/2021 12:15 2:00 n/a n/a Start Test 9/24/2021 12:15 0:15 63.0 End Test 9/24/2021 12:30 2:15 n/a n/a Start Test 9/24/2021 12:30 0:15 63.0 End Test 9/24/2021 12:45 2:30 n/a n/a Start Test 9/24/2021 12:45 0:15 63.0 End Test 9/24/2021 13:00 2:45 n/a n/a Start Test 9/24/2021 13:00 0:15 63.0 End Test 9/24/2021 13:15 3:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 0:00 63.0 End Test 0:00 n/a n/a Start Test 10:15 End Test 13:15 3:00 0.00 0.00 0.00 0.00 3.24 Total Infiltration in Inches (3 Hour Test) 59, Cloudy 59, Cloudy 59, Cloudy Final Results 21 24 59, Cloudy 59, Cloudy 59, Cloudy 23 18 0.00 20 0.00 3.24 0.00 1.80 1.80 1.80 1.80 2.16 2.52 59, Cloudy 59, Cloudy1.80 22 0.00 0.00 19 0.00 0.00 0.00 0.00170.00 0.00 9 1500 2500 3.24 0.00 0.00 0.00 0.00 13 0.00 0.00 16 8 1500 2500 3.24 0.0015 11 1500 2500 10 1500 0.0014 3.24 2500 3.24 12 1500 2500 3.24 7 1500 3000 3.24 2.16 6 1500 3000 3.24 5 1500 3500 3.24 4 1500 3500 3 1500 3500 3.24 59, Cloudy 2.88 2.52 59, Cloudy2.52 4000 3.24 1 2000 7000 4.32 1500 3.24 Infiltrometer Recording Chart Marriotte Tube Volume 3000 10000 Project Identification:21-0364 Erhart Property, South Basin Soil Type: Test Location:880.6INF-4 East Trial # Tested By: Penetration Depth of Outer Ring:Depth to water table:3 inches Start / End Date MM/DD/YY Time HR:MIN Elapsed Time Chg/(Total) Min not encountered at 36" Liquid level maintained using:( X ) Flow Valve ( ) Float Valve ( ) Mariotte Tubes Liquid Temp (F) Flow Readings Inner Infiltration Rate Ground Temperature N. Curtis Water 5.04 3.51 59, Cloudy 59, Cloudy2 18500 40000 3.33 2.40 9.99 0.00 0.00 Block/Lot LFE HWL B1 L1 891.3 882.03 B1 L2 896.8 882.03 B1 L3 897.5 882.03 B1 L4 900.2 882.03 B1 L5 902.4 876.82 B1 L6 904.0 876.82 B1 L7 902.4 876.82 B1 L8 901.5 876.82 B1 L9 898.8 876.82 B1 L10 896.1 876.82 B1 L11 891.9 876.82 B1 L12 891.6 876.82 B1 L13 891.6 876.82 B1 L14 891.6 885.57 B1 L15 892.6 885.57 B1 L16 893.8 885.57 B1 L17 896.0 885.57 B2 L1 895.3 B2 L2 894.6 B2 L3 894.2 B2 L4 895.0 731 96th St 893.4 885.57 721 96th St 893.4 885.57 711 96th st 892.0 885.57 701 96th St 886.1 876.82 631 96th St 888.0 876.82 621 96th St 882.7 876.82 611 96th St 882.4 876.82 601 96th st 882.4 876.82 FOXWOOD PROPOSED CONDITIONS DRAINAGE & COVER MAP