Prepared: 14APR2026 at 13:09Gillham Lake Top Flood Pool: 569.0 Cossatot River (GLLA4) Top Conservation Pool: 502.0
 Cossatot River at Vandervoort
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Cossatot River at DeQueen
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Total Time Elevation Tailwater Release Date CS/CDT (ft-NGVD29) (ft-NGVD29) (cfs) ___________________________________________________________ 13APR2026 0200 502.36 431.23 220 13APR2026 0300 502.35 431.26 220 13APR2026 0400 502.35 431.27 220 13APR2026 0500 502.35 431.25 220 13APR2026 0600 502.35 431.26 220 13APR2026 0700 502.35 431.24 220 13APR2026 0800 502.35 430.89 215 13APR2026 0900 502.35 430.80 156 13APR2026 1000 502.35 430.82 156 13APR2026 1100 502.35 430.79 156 13APR2026 1200 502.36 430.80 156 13APR2026 1300 502.36 430.80 156 13APR2026 1400 502.36 430.78 156 13APR2026 1500 502.36 430.78 156 13APR2026 1600 502.36 430.80 156 13APR2026 1700 502.36 430.81 156 13APR2026 1800 502.37 430.80 156 13APR2026 1900 502.37 430.82 156 13APR2026 2000 502.37 430.83 156 13APR2026 2100 502.37 430.82 156 13APR2026 2200 502.37 430.81 156 13APR2026 2300 502.37 430.80 156 13APR2026 2400 502.38 430.83 156 14APR2026 0100 502.38 430.81 156 14APR2026 0200 502.38 430.80 156 14APR2026 0300 502.38 430.79 156 14APR2026 0400 502.38 430.82 156 14APR2026 0500 502.38 430.81 156 14APR2026 0600 502.38 430.79 156 14APR2026 0700 502.39 430.80 156 14APR2026 0800 502.39 430.80 156 14APR2026 0900 502.39 430.81 156 14APR2026 1000 502.39 430.79 156 14APR2026 1100 502.39 430.81 156 14APR2026 1200 502.39 430.79 156 14APR2026 1300 ---- ---- ---
7-Day Plot Data
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