V4 11 Stormwater Report Rev 3 1 26 2023

94 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 17 Basin #1 Hydrograph type = Reservoir Peak discharge = 31.90 cfs Storm frequency = 100 yrs Time to peak = 12.15 hrs Time interval = 3 min Hyd. volume = 132,731 cuft Inflow hyd. No. = 16 - To Basin #1 Max. Elevation = 419.70 ft Reservoir name = Basin #1 Max. Storage = 13,062 cuft Storage Indication method used. Basin #1 Q (cfs) Q (cfs) Hyd. No. 17 -- 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 3 6 9 12 15 18 21 24 27 30

0.00 0 3 6 9 12 15 18 21 24 27 30 Time (hrs) Hyd No. 17 Hyd No. 16 Total storage used = 13,062 cuft