Revised Stormwater Management Report

POA 1 proposed 2024-05-12 HydroCad - Proposed POA 1 NOAA 24-hr D 100-Year Rainfall=8.66" Prepared by Anderson Consulting Services Printed 6/29/2024 Page 79 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 0.06 0.10 0.15 0.34 0.78 10.45 1.43 0.78 0.53 0.45 0.38 0.32 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) 0 183 783 1,624 3,318 6,933 21,716 71,169 70,157 66,628 62,126 57,534 52,891 46,476 40,464 35,112 30,428 26,417 23,072 20,442 18,459 16,958 15,802 14,893 14,163 13,570 13,075 12,662 12,309 12,004 11,740 11,511 11,309 11,126 10,962 10,815 10,682 Elevation (feet) 543.50 543.51 543.52 543.55 543.60 543.71 544.15 545.55 545.52 545.43 545.30 545.18 545.05 544.87 544.70 544.54 544.41 544.29 544.19 544.12 544.06 544.01 543.98 543.95 543.93 543.91 543.90 543.88 543.87 543.86 543.86 543.85 543.84 543.84 543.83 543.83 543.82 Primary (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.37 1.18 1.17 1.13 1.08 1.03 0.97 0.88 0.79 0.70 0.60 0.51 0.42 0.32 0.24 0.18 0.14 0.11 0.09 0.08 0.06 0.05 0.05 0.04 0.03 0.03 0.03 0.02 0.02 0.02 0.02