DART Columbia Basin "Quick Look" Spring Spill Chinook Fallback

Data Courtesy of Pacific States Marine Fisheries Commission

The DART Columbia Basin "Quick Look" Spring Spill Chinook Fallback (updated daily) presents current and historical fallback rates during the Spring Spill Period at Snake River and Mainstem Columbia River projects. Fallback Rates are calculated using the DART PIT Tag Adult Fish Ladders Fallback analysis with data restricted to 4/3-6/20 at Snake River projects and 4/10-6/15 at Mainstem Columbia projects. Click on a project plot to view fallback statistics for each year. For additional information including individual year details and methods, please refer to the DART PIT Tag Adult Fish Ladders Fallback tool.

Click on a project plot to view fallback statistics for each year.

Snake Basin

Lower Granite Chinook Fallback Rate during Spring Spill Period 4/3-6/20 historical and current year Little Goose Chinook Fallback Rate during Spring Spill Period 4/3-6/20 historical and current year Lower Monumental Chinook Fallback Rate during Spring Spill Period 4/3-6/20 historical and current year Ice Harbor Chinook Fallback Rate during Spring Spill Period 4/3-6/20 historical and current year

Mainstem Columbia

McNary Chinook Fallback Rate during Spring Spill Period 4/10-6/15 historical and current year John Day Chinook Fallback Rate during Spring Spill Period 4/10-6/15 historical and current year The Dalles Chinook Fallback Rate during Spring Spill Period 4/10-6/15 historical and current year Bonneville Chinook Fallback Rate during Spring Spill Period 4/10-6/15 historical and current year