12 2026 02 12 Crestmont CC Stormwater Management Report

Hydrograph 100-yr Summary File: Eagle Rock Existing (Current).hys Hydrology Studio v 3.0.0.39 10-21-2025 Hyd. Hydrograph Hydrograph Peak Time to Hydrograph Inflow Maximum Maximum Flow Peak Volume Hyd(s) Elevation Storage No. Type Name (cfs) (hrs) (cuft) (ft) (cuft) 38 NRCS Runoff EX-2-U Open Space C 4.208 12.23 18,667 ---- 39 NRCS Runoff EX-2-U Woods C 4.295 12.23 18,911 ---- 40 NRCS Runoff EX-2-U Gravel C 0.695 12.12 2,368 ---- 41 NRCS Runoff EX-2-U Impervious 9.544 12.12 35,374 ---- 42 Junction EX-2-U 16.94 12.13 75,319 38, 39, 40, 41 44 Junction TOTAL POA-2 32.74 12.12 141,014 30, 42 45 Junction POA-2 2YR ALLOW 24.78 12.12 108,167 31, 42 46 Junction POA-2 10YR ALLOW 28.76 12.12 124,590 33, 42 47 Junction POA-2 100YR ALLOW 29.56 12.12 127,875 35, 42