Steelhead Counts - Bonneville/Lower Granite Dams

2016 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 2016
Total to Date
in
2015
5 Year Average
Total Count to Date
Bonneville September 27 1,918 156,604 236,895 258,981
Lower Granite September 27 2,739 34,850 55,377 59,497
  • 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.
 
Steelhead count at Bonneville Dam
Steelhead count at Lower Granite Dam