2025 12 19 Stormwater Report Rev 1

14 Hydrograph Summary Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2025 Hyd. Hydrograph Peak Time Time to Hyd. Inflow Maximum Total Hydrograph No. type flow interval Peak volume hyd(s) elevation strge used Description (origin) (cfs) (min) (min) (cuft) (ft) (cuft) 1 SCS Runoff 4.442 6 732 19,053 ------ ------ ------ DA-1 Pervious 2 SCS Runoff 14.04 6 732 69,275 ------ ------ ------ DA-1 Impervious 3 SCS Runoff 0.457 6 732 1,961 ------ ------ ------ DA-2 Pervious 4 SCS Runoff 0.169 6 732 835 ------ ------ ------ DA-2 Impervious 5 Combine 18.49 6 732 88,329 1, 2, ------ ------ DA-1 Combined 6 Combine 0.627 6 732 2,796 3, 4, ------ ------ DA-2 Combined Existing - Future Projected.gpw Return Period: 10 Year Tuesday, 12 / 23 / 2025