1240815StormWaterManagementReportrcd 3 12 2026

512-516 Pleasant Valley Way, West Orange 1240815-pipes3-C Water Quality Storm Water Quality Rainfall=1.25", P2=3.47" Prepared by Casey & Keller, Inc Printed 2/4/2026 HydroCAD® 10.20-7a s/n 03272 © 2025 HydroCAD Software Solutions LLC Subcatchment 1: Exisiting Hydrograph 0.8 Runoff 0.72 cfs 0.75 0.7 Water Quality Storm 0.65 Water Quality Rainfall=1.25" 0.6 P2=3.47" 0.55 0.5 Runoff Area=16,242 sf Runoff Volume=0.023 af Flow (cfs) 0.45 0.4 Runoff Depth=0.73" 0.35 Flow Length=141' 0.3 Tc=5.9 min 0.25 0.2 CN=74/98 0.15 0.1 0.05 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) 121