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Idaho Fish & Game
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Bonneville/Lower Granite Dam Steelhead Counts

Sunday, February 7, 2016 

2015 Steelhead Count
From July 1 to December 31

To view winter passage at Bonneville Dam go to: Corps of Engineers Fish Reporting Site
Dam Date of Count Daily Count Total to Date
in 2015
Total to Date
5 Year Average
Total Count to Date
Bonneville November 30 40 257,555 308,878 299,023
Lower Granite November 30 12 129,560 153,094 146,604
  • Counts include wild and hatchery origin fish. Most steelhead bound for Idaho cross Bonneville Dam between July 1 and October 31.
  • 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 weekly during the counting season.

Daily steelhead count at Lower Bonneville Dam
Daily steelhead count at Lower Granite Dam

Gov Delivery Page Watch Subscribe to Page Watch Last Updated: December 4, 2015 
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Idaho Idaho at 150