J_2024 05 09_West Orange Stormwater Management Plan

Stormwater Management Plan Return Frequency (yr) Inflow (cfs) Revision 0 Discharge (cfs) Stage Elevation (ft) Hydrology and Hydraulics Max Available Storage (cf) Approx. SHWT Elevati on (ft) Bottom of Bioretention Basin Elevation (ft) 1,578 2,187 597.00 598.00 2,175 5,822 593.00 594.00 2,894 4,782 593.70 594.70 1,575 3,203 592.80 593.80 Surface Area (sf) BR-2 WQ 0.37 0.11 598.55 2 (Current) 0.65 0.19 599.40 2 (Future) 0.84 0.23 600.04 10 (Current) 1.14 0.33 601.13 10 (Future) 1.44 0.74 601.23 100 (Current) 2.14 1.85 601.42 100 (Future) 2.83 2.78 601.47 BR-3 WQ 0.31 0.10 594.44 2 (Current) 0.59 0.17 595.19 2 (Future) 0.77 0.20 595.56 10 (Current) 1.05 0.26 596.66 10 (Future) 1.34 0.31 597.57 100 (Current) 1.97 0.34 598.43 100 (Future) 2.63 0.50 599.05 BR-4 WQ 0.50 0.08 595.04 2 (Current) 0.83 0.14 595.53 2 (Future) 1.05 0.16 595.75 10 (Current) 1.44 0.20 596.26 10 (Future) 1.79 0.23 596.69 100 (Current) 2.68 0.32 598.36 100 (Future) 3.49 0.44 598.73 BR-5 WQ 0.33 0.08 594.16 2 (Current) 0.59 0.15 594.69 2 (Future) 0.75 0.17 594.95 10 (Current) 1.04 0.21 595.55 10 (Future) 1.30 0.25 596.23 100 (Current) 1.96 0.32 597.66 100 (Future) 2.55 0.35 598.22 *Basin Information from Exhibit A - Pre-Developed Watershed Map. Public Service Electric & Gas Company 2-4 Burns & McDonnell