Drainage Report

Basin 1 without exfiltration Proposed basin 1 R5 NOAA 24-hr D 100-Year Rainfall=8.66" Prepared by Anderson Consulting Services Printed 10/29/2023 HydroCAD® 10.20-3f s/n 06666 © 2023 HydroCAD Software Solutions LLC Page 44 Hydrograph for Pond 29P: Basin 1 Time Inflow Storage Elevation Primary (hours) (cfs) (cubic-feet) (feet) (cfs) 0.00 0.00 0 540.50 0.00 2.50 0.36 1,269 540.56 0.00 5.00 0.56 5,526 540.75 0.00 7.50 0.90 11,643 541.02 0.00 10.00 1.88 22,997 541.47 0.00 12.50 27.90 89,390 543.58 0.99 15.00 2.35 135,940 544.77 2.08 17.50 1.33 132,694 544.69 2.03 20.00 0.96 124,791 544.50 1.89 22.50 0.79 116,376 544.29 1.73 25.00 0.02 106,803 544.05 1.52 27.50 0.00 94,677 543.73 1.18 30.00 0.00 85,621 543.48 0.83 32.50 0.00 79,777 543.31 0.49 35.00 0.00 76,269 543.21 0.30 37.50 0.00 74,046 543.15 0.20 40.00 0.00 72,545 543.10 0.14 42.50 0.00 71,479 543.07 0.10 45.00 0.00 70,679 543.05 0.08 47.50 0.00 70,070 543.03 0.06 50.00 0.00 69,588 543.02 0.05 52.50 0.00 69,188 543.00 0.04 55.00 0.00 68,857 542.99 0.03 57.50 0.00 68,583 542.99 0.03 60.00 0.00 68,355 542.98 0.02 62.50 0.00 68,166 542.97 0.02 65.00 0.00 67,998 542.97 0.02 67.50 0.00 67,844 542.96 0.02 70.00 0.00 67,704 542.96 0.01