Revised Stormwater Management Report

POA 1 proposed 2024-05-12 HydroCad - Proposed POA 1 NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Anderson Consulting Services Printed 6/29/2024 Page 17 HydroCAD® 10.20-5a s/n 06666 © 2023 HydroCAD Software Solutions LLC Hydrograph for Pond 16P: Basin 1 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 Inflow (cfs) 0.00 0.01 0.03 0.04 0.07 0.14 1.97 0.46 0.26 0.18 0.15 0.13 0.11 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 14 154 404 787 1,424 4,726 15,724 16,944 17,156 16,963 16,685 16,342 15,386 14,562 13,895 13,347 12,889 12,505 12,173 11,886 11,638 11,422 11,228 11,054 10,897 10,756 10,629 10,515 10,412 10,319 10,232 10,150 10,073 10,001 9,933 9,869 Elevation (feet) 543.50 543.50 543.50 543.51 543.52 543.54 543.64 543.98 544.01 544.02 544.01 544.00 543.99 543.97 543.94 543.92 543.90 543.89 543.88 543.87 543.86 543.85 543.85 543.84 543.84 543.83 543.83 543.82 543.82 543.82 543.81 543.81 543.81 543.81 543.80 543.80 543.80 Primary (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.14 0.18 0.19 0.18 0.17 0.16 0.13 0.10 0.08 0.07 0.06 0.05 0.04 0.04 0.03 0.03 0.03 0.02 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01