Status & Trends in the Walla Walla Subbasin (Columbia Plateau Province) |
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Spring Chinook |
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| Biological Objective : |
Subbasin Plan Objective :
3,000 natural adults and 2,500 hatchery adults (ODFW and CTUIR objective only)322
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| Current Status : |
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| ESA Listing Status : |
Not Listed |
| Evolutionary Significant Unit (ESU) : |
Middle Columbia |
| Major Population Group (MPG) : |
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| Population : |
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Summer Steelhead |
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| Biological Objective : |
Subbasin Plan Objective :
4,600 - 5,600 total returns: 3,000 natural and 1,600 - 2,600 hatchery (CTUIR objectiver only)321
Recovery Plan Criteria :
1,000 natural adults for at least one population, the other must be maintained
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| Current Status : |
NOSA Estimate
Walla Walla River
2014: 434 spawners 474
Touchet River
2016: 179 spawners 474
Redd Counts (mixed)
2015: 353 redds (mixed) 225
Juvenile Outmigrants
2016: 31,820 juveniles474
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| ESA Listing Status : |
Threatened |
| Evolutionary Significant Unit (ESU) : |
Middle Columbia |
| Major Population Group (MPG) : |
Umatilla/Walla Walla Rivers |
| Population : |
Walla Walla, Touchet |
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Bull Trout |
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| Biological Objective : |
Draft Recovery Plan Criteria :
3,000-5,000 adults distributed among three or more local populations321
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| Current Status : |
Redd Count
2014: 41 redds507
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| ESA Listing Status : |
Threatened |
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