2009 Chinook Salmon Count
Bonneville / Lower Granite Dams

Adult Chinook Counts since August 1, 2009



For management purposes all Chinook salmon that pass Bonneville Dam after August 1, and those passing Lower Granite Dam after August 18, are classified as Fall Chinook.
Dam Date of Count Daily Count Total Count to Date - 2009 Total Count to Date - 2008 Average Total Count
2004-2008
Bonneville November 18 4 283,724 315,020 354,241
Lower Granite November 18 5 15,573 17,146 12,516
Counts include both hatchery and wild origin adults. Jacks are not included in the count.


Count at Bonneville Dam


Count at Lower Granite Dam

For additional information and daily dam counts please visit the Fish Passage Center (adult count page) or the Columbia River DART Adult Passage site.