complete drainage report rev 9

POA-3 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 3B Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 30S: Basin 12 - Perv Time Precip. Excess (hours) (inches) (inches) 0.00 0.00 0.00 1.00 0.63 0.00 2.00 1.25 0.07 3.00 1.25 0.07 4.00 1.25 0.07 5.00 1.25 0.07 6.00 1.25 0.07 7.00 1.25 0.07 8.00 1.25 0.07 9.00 1.25 0.07 10.00 1.25 0.07 11.00 1.25 0.07 12.00 1.25 0.07 13.00 1.25 0.07 14.00 1.25 0.07 15.00 1.25 0.07 16.00 1.25 0.07 17.00 1.25 0.07 18.00 1.25 0.07 19.00 1.25 0.07 20.00 1.25 0.07 21.00 1.25 0.07 22.00 1.25 0.07 23.00 1.25 0.07 24.00 1.25 0.07 25.00 1.25 0.07 26.00 1.25 0.07 27.00 1.25 0.07 28.00 1.25 0.07 29.00 1.25 0.07 30.00 1.25 0.07 31.00 1.25 0.07 32.00 1.25 0.07 33.00 1.25 0.07 34.00 1.25 0.07 35.00 1.25 0.07 36.00 1.25 0.07 37.00 1.25 0.07 38.00 1.25 0.07 39.00 1.25 0.07 40.00 1.25 0.07 41.00 1.25 0.07 42.00 1.25 0.07 43.00 1.25 0.07 44.00 1.25 0.07 45.00 1.25 0.07 46.00 1.25 0.07 47.00 1.25 0.07 48.00 1.25 0.07 49.00 1.25 0.07 50.00 1.25 0.07 Runoff (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 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 Precip. Excess (hours) (inches) (inches) 51.00 1.25 0.07 52.00 1.25 0.07 53.00 1.25 0.07 54.00 1.25 0.07 55.00 1.25 0.07 56.00 1.25 0.07 57.00 1.25 0.07 58.00 1.25 0.07 59.00 1.25 0.07 60.00 1.25 0.07 61.00 1.25 0.07 62.00 1.25 0.07 63.00 1.25 0.07 64.00 1.25 0.07 65.00 1.25 0.07 66.00 1.25 0.07 67.00 1.25 0.07 68.00 1.25 0.07 69.00 1.25 0.07 70.00 1.25 0.07 71.00 1.25 0.07 72.00 1.25 0.07 Runoff (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 Printed 10/25/2024 Page 44

POA-3 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 3B Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 45 Summary for Pond 29P: Basin 12 Inflow Area = Inflow = Outflow = Discarded = 0.178 ac, 32.25% Impervious, Inflow Depth = 0.38" for WQ event 0.19 cfs @ 1.10 hrs, Volume= 0.006 af 0.18 cfs @ 1.11 hrs, Volume= 0.006 af, Atten= 2%, Lag= 0.6 min 0.18 cfs @ 1.11 hrs, Volume= 0.006 af Routing by Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs Peak Elev= 596.03' @ 1.11 hrs Surf.Area= 900 sf Storage= 10 cf Plug-Flow detention time= 0.9 min calculated for 0.006 af (100% of inflow) Center-of-Mass det. time= 0.9 min ( 71.7 - 70.7 ) Volume #1 Invert 596.00' Avail.Storage 1,004 cf #2 596.00' 151 cf 1,154 cf Elevation (feet) 596.00 599.00 Device #1 Surf.Area (sq-ft) 900 900 Routing Discarded Invert 596.00' Storage Description Custom Stage Data (Prismatic) Listed below (Recalc) 2,700 cf Overall - 191 cf Embedded = 2,509 cf x 40.0% Voids 8.00'D x 3.00'H Vertical Cone/Cylinder Inside #1 191 cf Overall - 6.0" Wall Thickness = 151 cf Total Available Storage Inc.Store (cubic-feet) 0 2,700 Cum.Store (cubic-feet) 0 2,700 Outlet Devices 10.000 in/hr Exfiltration over Surface area Discarded OutFlow Max=0.21 cfs @ 1.11 hrs HW=596.03' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.21 cfs) Pond 29P: Basin 12 Exfiltration

POA-3 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 3B Printed 10/25/2024 Page 46 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Pond 29P: Basin 12 Hydrograph 0.19 cfs 0.2 0.19 0.18 cfs 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 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) Inflow Discarded Flow (cfs) Inflow Area=0.178 ac Peak Elev=596.03' Storage=10 cf Pond 29P: Basin 12 Stage-Discharge 599 Discarded Elevation (feet) 598 597 Exfiltration 596 0 0.02 0.04 0.06 0.08 0.1 0.12 Discharge (cfs) 0.14 0.16 0.18 0.2

POA-3 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 3B Printed 10/25/2024 Page 47 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Pond 29P: Basin 12 Stage-Area-Storage 0 50 100 150 200 250 Surface/Horizontal/Wetted Area (sq-ft) 300 350 400 450 500 550 600 650 700 750 599 Elevation (feet) 598 597 Custom Stage Data + Vertical Cone/Cylinder 596 0 200 400 600 Storage (cubic-feet) 800 1,000 800 850 900 Surface Storage

POA-3 2024-05-12 HydroCad - Proposed POA 3B NJ DEP 2-hr WQ Rainfall=1.25" Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Hydrograph for Pond 29P: Basin 12 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 0.01 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 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 0 Elevation (feet) 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 596.00 Discarded (cfs) 0.00 0.01 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 Printed 10/25/2024 Page 48

POA-3 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 3B Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Stage-Discharge for Pond 29P: Basin 12 Elevation (feet) 596.00 596.02 596.04 596.06 596.08 596.10 596.12 596.14 596.16 596.18 596.20 596.22 596.24 596.26 596.28 596.30 596.32 596.34 596.36 596.38 596.40 596.42 596.44 596.46 596.48 596.50 596.52 596.54 596.56 596.58 596.60 596.62 596.64 596.66 596.68 596.70 596.72 596.74 596.76 596.78 596.80 596.82 596.84 596.86 596.88 596.90 596.92 596.94 596.96 596.98 597.00 Discarded (cfs) 0.00 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 Elevation (feet) 597.02 597.04 597.06 597.08 597.10 597.12 597.14 597.16 597.18 597.20 597.22 597.24 597.26 597.28 597.30 597.32 597.34 597.36 597.38 597.40 597.42 597.44 597.46 597.48 597.50 597.52 597.54 597.56 597.58 597.60 597.62 597.64 597.66 597.68 597.70 597.72 597.74 597.76 597.78 597.80 597.82 597.84 597.86 597.88 597.90 597.92 597.94 597.96 597.98 598.00 598.02 Discarded (cfs) 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 Elevation (feet) 598.04 598.06 598.08 598.10 598.12 598.14 598.16 598.18 598.20 598.22 598.24 598.26 598.28 598.30 598.32 598.34 598.36 598.38 598.40 598.42 598.44 598.46 598.48 598.50 598.52 598.54 598.56 598.58 598.60 598.62 598.64 598.66 598.68 598.70 598.72 598.74 598.76 598.78 598.80 598.82 598.84 598.86 598.88 598.90 598.92 598.94 598.96 598.98 599.00 Discarded (cfs) 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 Printed 10/25/2024 Page 49

POA-3 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 3B Printed 10/25/2024 Page 50 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 29P: Basin 12 Elevation (feet) 596.00 596.05 596.10 596.15 596.20 596.25 596.30 596.35 596.40 596.45 596.50 596.55 596.60 596.65 596.70 596.75 596.80 596.85 596.90 596.95 597.00 597.05 597.10 597.15 597.20 597.25 597.30 597.35 597.40 597.45 597.50 597.55 597.60 597.65 597.70 597.75 597.80 597.85 597.90 597.95 598.00 598.05 598.10 598.15 598.20 598.25 598.30 598.35 598.40 598.45 598.50 Surface (sq-ft) 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 Storage (cubic-feet) 0 19 38 58 77 96 115 135 154 173 192 212 231 250 269 289 308 327 346 366 385 404 423 443 462 481 500 520 539 558 577 596 616 635 654 673 693 712 731 750 770 789 808 827 847 866 885 904 924 943 962 Elevation (feet) 598.55 598.60 598.65 598.70 598.75 598.80 598.85 598.90 598.95 599.00 Surface (sq-ft) 900 900 900 900 900 900 900 900 900 900 Storage (cubic-feet) 981 1,001 1,020 1,039 1,058 1,077 1,097 1,116 1,135 1,154

POA-3 2024-05-12 HydroCad - Proposed POA 3B Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 51 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Subcatchment 28S: Basin 12 - Imp Event Rainfall (inches) 2-Year 10-Year 100-Year WQ 3.44 5.22 8.66 1.25 Runoff (cfs) 0.20 0.30 0.51 0.17 Volume Depth (acre-feet) (inches) 0.015 0.024 0.040 0.005 3.21 4.98 8.42 1.03

POA-3 2024-05-12 HydroCad - Proposed POA 3B Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 52 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Subcatchment 30S: Basin 12 - Perv Event Rainfall (inches) 2-Year 10-Year 100-Year WQ 3.44 5.22 8.66 1.25 Runoff (cfs) 0.18 0.39 0.83 0.02 Volume Depth (acre-feet) (inches) 0.012 0.026 0.055 0.001 1.20 2.54 5.52 0.07

POA-3 2024-05-12 HydroCad - Proposed POA 3B Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 53 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Pond 29P: Basin 12 Event Inflow (cfs) Discarded (cfs) Elevation (feet) Storage (cubic-feet) 2-Year 10-Year 100-Year WQ 0.38 0.69 1.33 0.19 0.21 0.21 0.21 0.18 596.18 596.73 598.47 596.03 69 280 952 10