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Bonneville/Lower Granite Dam Steelhead Counts

Tuesday, July 28, 2015 

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
in
2014
5 Year Average
Total Count to Date
Bonneville July 26 4,486 35,339 64,112 69,412
Lower Granite July 26 87 614 3,376 2,963
  • 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

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Idaho Idaho at 150