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Bonneville/Lower Granite Dam Steelhead Counts

Wednesday, August 20, 2014 

2014 Steelhead Count
From July 1 to December 15


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 2014
Total to Date
in
2013
5 Year Average
Total Count to Date
Bonneville August 17
2,665
161,408 141,702
212,418
Lower Granite August 17
153
6,795
3,031 8,547
  • 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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