Revised Stormwater Management Report

PA-3 Existing and Proposed 2024-05-12 HydroCad - Proposed 11-12 NOAA 24-hr D 10-Year Rainfall=5.22" Prepared by Anderson Consulting Services Printed 6/13/2024 Page 19 HydroCAD® 10.20-5a s/n 06666 © 2023 HydroCAD Software Solutions LLC Pond 30: Basin 12 Hydrograph Inflow Discarded 0.69 cfs 0.75 Inflow Area=0.178 ac Peak Elev=595.65' Storage=595 cf 0.7 0.65 0.6 0.55 Flow (cfs) 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.08 cfs 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) Pond 30: Basin 12 Stage-Discharge 599 Discarded Elevation (feet) 598 597 596 595 594 Exfiltration 0 0.005 0.01 0.015 0.02 0.025 0.03 0.035 0.04 0.045 0.05 0.055 0.06 0.065 0.07 0.075 Discharge (cfs) 0.08