Revised Stormwater Management Report

POA 2 proposed 2024-05-12 HydroCad - Proposed POA 2 NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Anderson Consulting Services Printed 6/29/2024 Page 74 HydroCAD® 10.20-5a s/n 06666 © 2023 HydroCAD Software Solutions LLC Hydrograph for Pond 49P: Basin 7 Time (hours) 0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00 24.00 26.00 28.00 30.00 32.00 34.00 36.00 38.00 40.00 42.00 44.00 46.00 48.00 50.00 52.00 54.00 56.00 58.00 60.00 62.00 64.00 66.00 68.00 70.00 72.00 74.00 76.00 78.00 80.00 Inflow (cfs) 0.00 0.01 0.04 0.05 0.08 0.16 1.88 0.35 0.19 0.13 0.11 0.10 0.08 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Storage (cubic-feet) 0 18 196 510 993 1,791 5,096 11,062 9,892 9,105 8,582 8,261 8,019 7,445 7,063 6,807 6,627 6,491 6,383 6,297 6,229 6,175 6,127 6,085 6,047 6,012 5,981 5,954 5,929 5,906 5,886 5,868 5,852 5,837 5,824 5,813 5,802 5,792 5,784 5,776 5,769 Elevation (feet) 531.00 531.00 531.01 531.04 531.07 531.12 531.35 531.74 531.66 531.61 531.58 531.56 531.54 531.50 531.48 531.46 531.45 531.44 531.43 531.43 531.42 531.42 531.42 531.41 531.41 531.41 531.41 531.40 531.40 531.40 531.40 531.40 531.40 531.40 531.40 531.39 531.39 531.39 531.39 531.39 531.39 Primary (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.51 0.33 0.23 0.17 0.13 0.11 0.07 0.04 0.03 0.02 0.02 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00