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
5 Year Average
Total Count to Date
Bonneville November 20 24 172,684 255,605 273,397
Lower Granite November 19 173 92,650 128,285 132,164
  • 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.