complete drainage report rev 9

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

28S 30S Basin 12 - Imp Basin 12 - Perv 29P Basin 12 Subcat Reach Pond Link Routing Diagram for 2024-05-12 HydroCad - Proposed POA 3B Prepared by Anderson Consulting Services, Printed 10/25/2024 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC

POA-3 2024-05-12 HydroCad - Proposed POA 3B Printed 10/25/2024 Page 2 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Rainfall Events Listing Event# 1 2 3 4 Event Name Storm Type Curve Mode Duration (hours) B/B 2-Year 10-Year 100-Year WQ NOAA 24-hr NOAA 24-hr NOAA 24-hr NJ DEP 2-hr D D D Default Default Default Default 24.00 24.00 24.00 2.00 1 1 1 1 Depth (inches) 3.44 5.22 8.66 1.25 AMC 2 2 2 2

POA-3 2024-05-12 HydroCad - Proposed POA 3B Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Area Listing (all nodes) Area (acres) CN Description (subcatchment-numbers) 0.121 0.057 0.178 74 98 82 >75% Grass cover, Good, HSG C (30S) Paved parking, HSG C (28S) TOTAL AREA Printed 10/25/2024 Page 3