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 = 6.121 cfs Storm Frequency = 100-yr Time to Peak = 12.22 hrs Time Interval = 1 min Hydrograph Volume = 39,166 cuft Inflow Hydrograph = 10 - PR-1A Total Max. Elevation = 536.47 ft Pond Name = SSBB-1 Max. Storage = 12,336 cuft Pond Routing by Storage Indication Method Center of mass detention time = 1.21 hrs Qp = 6.121 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 Time (hrs) PR-1A Total PR-1A Routing