complete drainage report rev 9

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 167 Summary for Pond 24P: Basin 6 Inflow Area = 108,077 sf, 52.61% Impervious, Inflow Depth = 0.58" for WQ event Inflow = 4.11 cfs @ 1.10 hrs, Volume= 5,217 cf Outflow = 4.08 cfs @ 1.10 hrs, Volume= 5,217 cf, Atten= 1%, Lag= 0.2 min Discarded = 4.08 cfs @ 1.10 hrs, Volume= 5,217 cf Primary = 0.00 cfs @ 0.00 hrs, Volume= 0 cf Routed to Pond 16P : Basin 1 Routing by Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs Peak Elev= 600.01' @ 1.10 hrs Surf.Area= 35,719 sf Storage= 100 cf Plug-Flow detention time= 0.4 min calculated for 5,216 cf (100% of inflow) Center-of-Mass det. time= 0.4 min ( 69.5 - 69.1 ) Volume #1 Invert 600.00' Elevation (feet) 600.00 601.00 601.42 Device #1 #2 Avail.Storage 20,288 cf Surf.Area (sq-ft) 35,719 35,719 35,719 Routing Primary Discarded Invert 600.02' 600.00' Storage Description Custom Stage Data (Prismatic) Listed below (Recalc) 50,721 cf Overall x 40.0% Voids Inc.Store (cubic-feet) 0 35,719 15,002 Cum.Store (cubic-feet) 0 35,719 50,721 Outlet Devices 6.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) 10.000 in/hr Exfiltration over Surface area Discarded OutFlow Max=8.27 cfs @ 1.10 hrs HW=600.01' (Free Discharge) 2=Exfiltration (Exfiltration Controls 8.27 cfs) Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=600.00' (Free Discharge) 1=Sharp-Crested Rectangular Weir ( Controls 0.00 cfs) Pond 24P: Basin 6 Sharp-Crested Rectangular Exfiltration Weir

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Printed 10/25/2024 Page 168 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Pond 24P: Basin 6 Hydrograph 4.11 cfs Inflow Area=108,077 sf Peak Elev=600.01' Storage=100 cf 4.08 cfs 4.08 cfs 4 Inflow Outflow Discarded Primary Flow (cfs) 3 2 1 0.00 cfs 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 Time (hours) Pond 24P: Basin 6 Stage-Discharge Total Discarded Primary Elevation (feet) 601 Exfiltration Sharp-Crested Rectangular Weir 600 0 5 10 15 20 Discharge (cfs) 25 30 35

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Printed 10/25/2024 Page 169 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Pond 24P: Basin 6 Stage-Area-Storage 0 5,000 10,000 Surface/Horizontal/Wetted Area (sq-ft) 15,000 20,000 25,000 30,000 35,000 Elevation (feet) 601 Custom Stage Data 600 0 2,000 4,000 6,000 8,000 10,000 12,000 Storage (cubic-feet) 14,000 16,000 18,000 20,000 Surface Storage

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Printed 10/25/2024 Page 170 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Hydrograph for Pond 24P: Basin 6 Time (hours) 0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00 24.00 26.00 28.00 30.00 32.00 34.00 36.00 38.00 40.00 42.00 44.00 46.00 48.00 50.00 52.00 54.00 56.00 58.00 60.00 62.00 64.00 66.00 68.00 70.00 72.00 Inflow (cfs) 0.00 0.16 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Storage (cubic-feet) 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Elevation (feet) 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 Outflow (cfs) 0.00 0.16 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Discarded (cfs) 0.00 0.16 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Primary (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Printed 10/25/2024 Page 171 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Stage-Discharge for Pond 24P: Basin 6 Elevation (feet) 600.00 600.02 600.04 600.06 600.08 600.10 600.12 600.14 600.16 600.18 600.20 600.22 600.24 600.26 600.28 600.30 600.32 600.34 600.36 600.38 600.40 600.42 600.44 600.46 600.48 600.50 600.52 600.54 600.56 600.58 600.60 600.62 600.64 600.66 600.68 600.70 600.72 600.74 600.76 600.78 600.80 600.82 600.84 600.86 600.88 600.90 600.92 600.94 600.96 600.98 601.00 Discharge (cfs) 0.00 8.27 8.32 8.43 8.56 8.71 8.89 9.08 9.29 9.52 9.76 10.01 10.28 10.56 10.85 11.15 11.46 11.78 12.11 12.46 12.81 13.17 13.53 13.91 14.30 14.69 15.09 15.50 15.91 16.34 16.77 17.20 17.65 18.10 18.56 19.02 19.49 19.97 20.45 20.94 21.43 21.93 22.44 22.95 23.47 23.99 24.52 25.05 25.59 26.13 26.68 Discarded (cfs) 0.00 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 Primary (cfs) 0.00 0.00 0.06 0.16 0.29 0.44 0.62 0.81 1.02 1.25 1.49 1.74 2.01 2.29 2.58 2.88 3.19 3.51 3.85 4.19 4.54 4.90 5.27 5.64 6.03 6.42 6.82 7.23 7.65 8.07 8.50 8.94 9.38 9.83 10.29 10.75 11.22 11.70 12.18 12.67 13.16 13.66 14.17 14.68 15.20 15.72 16.25 16.78 17.32 17.86 18.41 Elevation (feet) 601.02 601.04 601.06 601.08 601.10 601.12 601.14 601.16 601.18 601.20 601.22 601.24 601.26 601.28 601.30 601.32 601.34 601.36 601.38 601.40 601.42 Discharge (cfs) 27.23 27.79 28.36 28.92 29.50 30.07 30.66 31.24 31.83 32.43 33.03 33.63 34.24 34.85 35.47 36.09 36.71 37.34 37.98 38.61 39.25 Discarded (cfs) 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27 Primary (cfs) 18.97 19.52 20.09 20.66 21.23 21.81 22.39 22.97 23.56 24.16 24.76 25.36 25.97 26.58 27.20 27.82 28.45 29.07 29.71 30.34 30.98

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Printed 10/25/2024 Page 172 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 24P: Basin 6 Elevation (feet) 600.00 600.02 600.04 600.06 600.08 600.10 600.12 600.14 600.16 600.18 600.20 600.22 600.24 600.26 600.28 600.30 600.32 600.34 600.36 600.38 600.40 600.42 600.44 600.46 600.48 600.50 600.52 600.54 600.56 600.58 600.60 600.62 600.64 600.66 600.68 600.70 600.72 600.74 600.76 600.78 600.80 600.82 600.84 600.86 600.88 600.90 600.92 600.94 600.96 600.98 601.00 Surface (sq-ft) 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 Storage (cubic-feet) 0 286 572 857 1,143 1,429 1,715 2,000 2,286 2,572 2,858 3,143 3,429 3,715 4,001 4,286 4,572 4,858 5,144 5,429 5,715 6,001 6,287 6,572 6,858 7,144 7,430 7,715 8,001 8,287 8,573 8,858 9,144 9,430 9,716 10,001 10,287 10,573 10,859 11,144 11,430 11,716 12,002 12,287 12,573 12,859 13,145 13,430 13,716 14,002 14,288 Elevation (feet) 601.02 601.04 601.06 601.08 601.10 601.12 601.14 601.16 601.18 601.20 601.22 601.24 601.26 601.28 601.30 601.32 601.34 601.36 601.38 601.40 601.42 Surface (sq-ft) 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 35,719 Storage (cubic-feet) 14,573 14,859 15,145 15,431 15,716 16,002 16,288 16,574 16,859 17,145 17,431 17,717 18,002 18,288 18,574 18,860 19,145 19,431 19,717 20,003 20,288

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 173 Summary for Link 25L: POA 1 Inflow Area = Inflow = Primary = 481,833 sf, 51.45% Impervious, Inflow Depth = 0.02" for WQ event 0.41 cfs @ 1.17 hrs, Volume= 657 cf 0.41 cfs @ 1.17 hrs, Volume= 657 cf, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs Link 25L: POA 1 Hydrograph 0.41 cfs 0.44 0.41 cfs 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 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 Time (hours) Flow (cfs) Inflow Area=481,833 sf Inflow Primary

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Printed 10/25/2024 Page 174 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Hydrograph for Link 25L: POA 1 Time (hours) 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 11.00 12.00 13.00 14.00 15.00 16.00 17.00 18.00 19.00 20.00 21.00 22.00 23.00 24.00 25.00 26.00 27.00 28.00 29.00 30.00 31.00 32.00 33.00 34.00 35.00 36.00 37.00 38.00 39.00 40.00 41.00 42.00 43.00 44.00 45.00 46.00 47.00 48.00 49.00 50.00 Inflow (cfs) 0.00 0.02 0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Elevation (feet) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Primary (cfs) 0.00 0.02 0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Time (hours) 51.00 52.00 53.00 54.00 55.00 56.00 57.00 58.00 59.00 60.00 61.00 62.00 63.00 64.00 65.00 66.00 67.00 68.00 69.00 70.00 71.00 72.00 Inflow (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Elevation (feet) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Primary (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

POA-1 2024-05-12 HydroCad - Proposed POA 1B-1 Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 175 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Subcatchment 14S: Basin 1 - Imp Event Rainfall (inches) 2-Year 10-Year 100-Year WQ 3.44 5.22 8.66 1.25 Runoff (cfs) 8.50 12.98 21.60 7.73 Volume Depth (cubic-feet) (inches) 39,434 61,277 103,543 12,723 3.21 4.98 8.42 1.03

POA-1 2024-05-12 HydroCad - Proposed POA 1B-1 Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 176 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Subcatchment 15S: Basin 1 - Perv Event Rainfall (inches) 2-Year 10-Year 100-Year WQ 3.44 5.22 8.66 1.25 Runoff (cfs) 3.18 6.53 13.48 0.55 Volume Depth (cubic-feet) (inches) 13,236 26,815 56,178 1,117 1.39 2.81 5.88 0.12