12 2026 02 12 Crestmont CC Stormwater Management Report

Hydrograph Report File: Eagle Rock Proposed (Current).hys Hydrology Studio v 3.0.0.39 10-21-2025 PR-1A Routing Hyd. No. 11 Hydrograph Type = Pond Route Peak Flow = 3.069 cfs Storm Frequency = 25-yr Time to Peak = 12.27 hrs Time Interval = 1 min Hydrograph Volume = 26,002 cuft Inflow Hydrograph = 10 - PR-1A Total Max. Elevation = 536.03 ft Pond Name = SSBB-1 Max. Storage = 10,002 cuft Pond Routing by Storage Indication Method Center of mass detention time = 1.46 hrs Qp = 3.069 cfs 9 8 7 6 5 4 3 2 1 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Time (hrs) PR-1A Total PR-1A Routing