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Fish


Over the last 15 years, the federal dams have been overhauled to make passage safer for fish. In addition to major structural changes, actions include releasing water from reservoirs to speed the migration of young fish to the ocean, spilling water at the dams to help juvenile fish traverse the structures more safely, and transporting fish around the dams.

These and other efforts have significantly improved fish survival at the federal dams.



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    • Fish Passage

    Columbia River Fish Mitigation

    Columbia River: Dams and Salmon

    Map: Columbia Basin Dams and Endangered Fishery Species

    Northwest Salmon and Resident Species

    Fish Accord Projects

    Columbia Basin Bulletin


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