2009 Steelhead Count
Bonneville / Lower Granite Dams
Since July 1, 2009
| Counts include both hatchery and wild origin steelhead.
|
| Dam |
Date of Count |
Daily Count |
Total Count to Date - 2009 |
Total Count to Date - 2008 |
Average of Recent 5 Years |
| Bonneville |
November 3 |
116 |
588,113 |
339,404 |
311,744 |
| Lower Granite |
November 3 |
903 |
300,953 |
159,356 |
140,942 |
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.
