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Columbia Fish Counts 2026: Official Passage Data, Methodology, and Run Reconstruction

"Understanding Columbia River fish counts is essential for commercial fishermen, recreational anglers, tribal fisheries managers, and conservation biologists operating within the Pacific Northwest. The Columbia River basin supports massive runs of Pacific salmon, steelhead, and other migratory species that navigate a complex series of federal and public utility dams. Navigating this data requires a precise grasp of how counts are gathered, where data is sourced, and how annual passage metrics inform contemporary management decisions in 2026. (Note: This guide focuses exclusively on the adult and juvenile fish passage counts recorded at hydroel..."

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