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 10 HydroCAD® 10.20-5a s/n 06666 © 2023 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 25S: Basin 2 - Perv Time Precip. Excess (hours) (inches) (inches) 0.00 0.00 0.00 0.80 0.03 0.00 1.60 0.06 0.00 2.40 0.10 0.00 3.20 0.14 0.00 4.00 0.18 0.00 4.80 0.22 0.00 5.60 0.27 0.00 6.40 0.32 0.00 7.20 0.38 0.00 8.00 0.45 0.00 8.80 0.52 0.00 9.60 0.62 0.00 10.40 0.75 0.01 11.20 0.96 0.05 12.00 1.65 0.30 12.80 2.48 0.77 13.60 2.69 0.91 14.40 2.82 1.00 15.20 2.92 1.07 16.00 2.99 1.12 16.80 3.06 1.17 17.60 3.12 1.22 18.40 3.17 1.25 19.20 3.22 1.29 20.00 3.26 1.32 20.80 3.30 1.35 21.60 3.34 1.38 22.40 3.38 1.40 23.20 3.41 1.43 24.00 3.44 1.45 24.80 3.44 1.45 25.60 3.44 1.45 26.40 3.44 1.45 27.20 3.44 1.45 28.00 3.44 1.45 28.80 3.44 1.45 29.60 3.44 1.45 30.40 3.44 1.45 31.20 3.44 1.45 32.00 3.44 1.45 32.80 3.44 1.45 33.60 3.44 1.45 34.40 3.44 1.45 35.20 3.44 1.45 36.00 3.44 1.45 36.80 3.44 1.45 37.60 3.44 1.45 38.40 3.44 1.45 39.20 3.44 1.45 40.00 3.44 1.45 Runoff (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.03 0.12 0.97 0.51 0.26 0.19 0.14 0.12 0.11 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.06 0.05 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 Time Precip. Excess (hours) (inches)

19 0.14 0.12 0.11 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.06 0.05 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 Time Precip. Excess (hours) (inches) (inches) 40.80 3.44 1.45 41.60 3.44 1.45 42.40 3.44 1.45 43.20 3.44 1.45 44.00 3.44 1.45 44.80 3.44 1.45 45.60 3.44 1.45 46.40 3.44 1.45 47.20 3.44 1.45 48.00 3.44 1.45 48.80 3.44 1.45 49.60 3.44 1.45 50.40 3.44 1.45 51.20 3.44 1.45 52.00 3.44 1.45 52.80 3.44 1.45 53.60 3.44 1.45 54.40 3.44 1.45 55.20 3.44 1.45 56.00 3.44 1.45 56.80 3.44 1.45 57.60 3.44 1.45 58.40 3.44 1.45 59.20 3.44 1.45 60.00 3.44 1.45 60.80 3.44 1.45 61.60 3.44 1.45 62.40 3.44 1.45 63.20 3.44 1.45 64.00 3.44 1.45 64.80 3.44 1.45 65.60 3.44 1.45 66.40 3.44 1.45 67.20 3.44 1.45 68.00 3.44 1.45 68.80 3.44 1.45 69.60 3.44 1.45 70.40 3.44 1.45 71.20 3.44 1.45 72.00 3.44 1.45 72.80 3.44 1.45 73.60 3.44 1.45 74.40 3.44 1.45 75.20 3.44 1.45 76.00 3.44 1.45 76.80 3.44 1.45 77.60 3.44 1.45 78.40 3.44 1.45 79.20 3.44 1.45 80.00 3.44 1.45 Runoff (cfs) 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 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