Prepared: 05SEP2026 at 18:20Gillham 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) ___________________________________________________________ 04SEP2026 0700 501.47 431.49 174 04SEP2026 0800 501.46 431.51 174 04SEP2026 0900 501.45 430.15 121 04SEP2026 1000 501.45 430.11 69 04SEP2026 1100 501.45 430.11 69 04SEP2026 1200 501.44 430.11 69 04SEP2026 1300 501.43 430.12 69 04SEP2026 1400 501.44 430.13 69 04SEP2026 1500 501.44 430.12 69 04SEP2026 1600 501.44 430.13 69 04SEP2026 1700 501.43 430.12 69 04SEP2026 1800 501.43 430.13 69 04SEP2026 1900 501.43 430.13 69 04SEP2026 2000 501.43 430.12 69 04SEP2026 2100 501.43 430.12 69 04SEP2026 2200 501.42 430.12 69 04SEP2026 2300 501.42 430.13 69 04SEP2026 2400 501.42 430.11 69 05SEP2026 0100 501.42 430.12 69 05SEP2026 0200 501.42 430.12 69 05SEP2026 0300 501.42 430.11 69 05SEP2026 0400 501.42 430.12 69 05SEP2026 0500 501.42 430.12 69 05SEP2026 0600 501.41 430.12 69 05SEP2026 0700 501.41 430.12 69 05SEP2026 0800 501.41 430.12 69 05SEP2026 0900 501.41 430.12 69 05SEP2026 1000 501.41 430.10 69 05SEP2026 1100 501.41 430.10 69 05SEP2026 1200 501.41 430.11 69 05SEP2026 1300 501.40 430.11 69 05SEP2026 1400 501.41 430.10 69 05SEP2026 1500 501.40 430.11 69 05SEP2026 1600 501.41 430.11 69 05SEP2026 1700 501.41 430.25 76 05SEP2026 1800 501.40 ---- ---
7-Day Plot Data
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