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Idaho Fish and Game

Chinook Dam Counts

Bonneville/Lower Granite Dams 
2023/2024 Adult Chinook Salmon Count

Bonneville Dam

From September 1 2023 - March 31, 2024
Date Of Count Daily Adult Count Total to Date This Year Total to Date Last Year 5 Year Average To Date
May 01 2,444 24,033 18,849 20,981

Lower Granite Dam

From September 1 2023 - March 31, 2024
Date Of Count Daily Adult Count Total to Date This Year Total to Date Last Year 5 Year Average To Date
May 01 56 203 50 220
Information

To view passage at Bonneville or Lower Granite Dam go to: Corps of Engineers Fish Reporting Site

  • Information on numbers of steelhead crossing the Columbia and Snake River dams is taken from data posted by the United States Army Corps of Engineers, and is updated during the counting season.
  • Counts include wild and hatchery origin fish.