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 = 4.531 cfs Storm Frequency = 25-yr Time to Peak = 12.25 hrs Time Interval = 1 min Hydrograph Volume = 38,803 cuft Inflow Hydrograph = 45 - PR-2A Max. Elevation = 538.80 ft Pond Name = SSBB-2 Max. Storage = 16,329 cuft Pond Routing by Storage Indication Method Center of mass detention time = 2.04 hrs Qp = 4.531 cfs 13 12 11 10 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 28 29 30 Time (hrs) PR-2A PR-2A Routing