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-2A Routing Hyd. No. 46 Hydrograph Type = Pond Route Peak Flow = 2.457 cfs Storm Frequency = 10-yr Time to Peak = 12.37 hrs Time Interval = 1 min Hydrograph Volume = 28,753 cuft Inflow Hydrograph = 45 - PR-2A Max. Elevation = 538.57 ft Pond Name = SSBB-2 Max. Storage = 14,024 cuft Pond Routing by Storage Indication Method Center of mass detention time = 2.38 hrs Qp = 2.457 cfs 10 9 8 7 6 5 4 3 2 1 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Time (hrs) PR-2A PR-2A Routing