1240815StormWaterManagementReport

PLEASANT VALLEY WAY 1240815-pipes Water Quality Storm Water Quality Rainfall=1.25", P2=3.47" Prepared by Casey & Keller, Inc Printed 9/12/2025 HydroCAD® 10.20-7a s/n 03272 © 2025 HydroCAD Software Solutions LLC Subcatchment 1: Exisiting Hydrograph 0.8 0.73 cfs 0.75 Runoff 0.7 Water Quality Storm 0.65 Water Quality Rainfall=1.25" 0.6 0.55 P2=3.47" 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 0.25 Tc=5.9 min 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) 50