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-2B-U Open Space C Hyd. No. 52 Hydrograph Type = NRCS Runoff Peak Flow = 0.033 cfs Storm Frequency = 10-yr Time to Peak = 12.10 hrs Time Interval = 1 min Runoff Volume = 90.9 cuft Drainage Area = 0.01 ac Curve Number = 74.00 Tc Method = User Time of Conc. (Tc) = 3.0 min Total Rainfall = 5.38 in Design Storm = NOAA-D Storm Duration = 24 hrs Shape Factor = 484 Qp = 0.033 cfs 0.034 0.032 0.03 0.028 0.026 0.024 0.022 0.02 0.018 Q (cfs) 0.016 0.014 0.012 0.01 0.008 0.006 0.004 0.002 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 Time (hrs)