Steelhead Counts - Bonneville/Lower Granite Dams

2017 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 2017
Total to Date
in
2016
5 Year Average
Total Count to Date
Bonneville July 18 577 5,128 20,840 23,855
Lower Granite July 18 11 92 1,033 693
  • 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