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 2: Parking Lot Hydrograph 0.5 0.45 cfs 0.48 Runoff 0.46 0.44 0.42 Water Quality Storm 0.4 0.38 Water Quality Rainfall=1.25" 0.36 0.34 P2=3.47" 0.32 0.3 Runoff Area=7,305 sf Runoff Volume=0.013 af Flow (cfs) 0.28 0.26 0.24 Runoff Depth=0.93" 0.22 0.2 Flow Length=92' 0.18 0.16 Tc=0.9 min 0.14 0.12 CN=74/98 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) 52