2025 12 19 Stormwater Report Rev 1

34 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2025 Tuesday, 12 / 23 / 2025 Hyd. No. 5 <no description> Hydrograph type = Combine Peak discharge = 34.65 cfs Storm frequency = 100 yrs Time to peak = 12.20 hrs Time interval = 6 min Hyd. volume = 167,205 cuft Inflow hyds. = 1, 2 Contrib. drain. area = 4.680 ac <no description> Q (cfs) Q (cfs) Hyd. No. 5 -- 100 Year 35.00 35.00 30.00 30.00 25.00 25.00 20.00 20.00 15.00 15.00 10.00 10.00 5.00 5.00 0.00 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hyd No. 5 Hyd No. 1

Time (hrs) Hyd No. 5 Hyd No. 1 Hyd No. 2