Chinook Dam Counts
Bonneville/Lower Granite Dams
Adult Chinook Salmon Count
Bonneville Dam
Mar 1 2026 - Jul 31 2026
| Date Of Count | Daily Adult Count | Total to Date This Year | Total to Date Last Year | 5 Year Average To Date |
|---|---|---|---|---|
| May 31 | 1,007 | 94,779 | 135,090 | 120,954 |
Jan 1 2026 - July 31 2026
Lower Granite Dam
Mar 1, 2026 - Aug 17, 2026
| Date Of Count | Daily Adult Count | Total to Date This Year | Total to Date Last Year | 5 Year Average To Date |
|---|---|---|---|---|
| May 31 | 375 | 23,120 | 37,874 | 37,044 |
Information
To view passage at Bonneville or Lower Granite Dam go to: Corps of Engineers Fish Reporting Site
- Information on numbers of fish crossing the Columbia and Snake River dams is taken from data posted by the United States Army Corps of Engineers, and is updated during the counting season.
- Counts include wild and hatchery origin fish.