Chinook Dam Counts
Bonneville/Lower Granite Dams
Adult Chinook Salmon Count
Bonneville Dam
Aug 1 2026 - Nov 1 2026
| Date Of Count | Daily Adult Count | Total to Date This Year | Total to Date Last Year | 5 Year Average To Date |
|---|---|---|---|---|
| Aug 30 | 9,445 | 347,986 | 342,170 | 350,695 |
Aug 1 2026 - Nov 1 2026
Lower Granite Dam
Aug 1, 2026 - Nov 1, 2026
| Date Of Count | Daily Adult Count | Total to Date This Year | Total to Date Last Year | 5 Year Average To Date |
|---|---|---|---|---|
| Aug 30 | 564 | 46,462 | 67,553 | 71,365 |
Aug 1 2026 - Nov 1 2026
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.