12 2026 02 12 Crestmont CC Stormwater Management Report

Hydrograph Report File: Eagle Rock Existing (Current).hys Hydrology Studio v 3.0.0.39 10-21-2025 EX-2-D Gravel D Hyd. No. 27 Hydrograph Type = NRCS Runoff Peak Flow = 0.360 cfs Storm Frequency = 10-yr Time to Peak = 12.10 hrs Time Interval = 1 min Runoff Volume = 1,106 cuft Drainage Area = 0.07 ac Curve Number = 91.00 Tc Method = User Time of Conc. (Tc) = 4.0 min Total Rainfall = 5.38 in Design Storm = NOAA-D Storm Duration = 24 hrs Shape Factor = 484 Qp = 0.360 cfs 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 Q (cfs) 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 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)