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HomeMy WebLinkAboutSW4191202_WQ Orifice Draw Down_1/20/2020Water Quality Draw Down Time Size of Hole 1 1 0.005454 Storage Volume 11370 Surface Area of Pond ft"2 (As) 5313 Head of Water above Hole, ft (h) 1.75 Coefficient of Contraction of an orrifice (0.6) 0.6 Time to Dewater Days 3,78797 Q= 0.03474 cfs Qmin 0.02632 5 days Qmax 0.0658 2 days