Chinook Counts - Bonneville/Lower Granite Dams

2020 Adult Chinook Salmon Count
From March 1 to August 12, 2020
Dam Date of Count Daily Adult Count Total to Date
in 2020
Total to Date
in 2019
5 Year Average
Total Count to Date
Bonneville May 27 1,238 50,651 51,865 110,204
Lower Granite May 27 362 12,695 10,112 33,018
  • Counts include both hatchery and wild origin adults. Jacks are not included in the count.
  • For daily dam counts and additional information please visit the Fish Passage Center (adult count page) or the Columbia River DART Adult Passage site.