1240815StormWaterManagementReport

PLEASANT VALLEY WAY 1240815-pipes NOAA 24-hr D 100-Year-2020 Rainfall=9.18", 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 4: Proposed Hydrograph 1.68 cfs Runoff NOAA 24-hr D 100-Year-2020 Rainfall=9.18" P2=3.47" Runoff Area=8,332 sf Runoff Volume=0.122 af Flow (cfs) 1 Runoff Depth=7.67" Flow Length=92' Tc=0.9 min CN=74/98 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) 43