Status & Trends by Region


Status & Trends in the Walla Walla Subbasin (Columbia Plateau Province)

Spring Chinook

Biological Objective : Subbasin Plan Objective :
3,000 natural adults and 2,500 hatchery adults (ODFW and CTUIR objective only)322
 
Current Status :
ESA Listing Status :    Not Listed
Evolutionary Significant Unit (ESU) : Middle Columbia 
Major Population Group (MPG) :  
Population :  
 

Summer Steelhead

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
 
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

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Middle Columbia 
Major Population Group (MPG) : Umatilla/Walla Walla Rivers 
Population : Walla Walla, Touchet 
 

Bull Trout

Biological Objective : Draft Recovery Plan Criteria :
3,000-5,000 adults distributed among three or more local populations321
 
Current Status : Redd Count
2014: 41 redds507
ESA Listing Status :    Threatened