Status & Trends by Region


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

Fall Chinook

Biological Objective : Subbasin Plan Objective :
4,192 natural adults319
 
Current Status : Adult Escapement (Threemile Falls Dam)
2017: 680 adults85

ESA Listing Status :    Not Listed
Evolutionary Significant Unit (ESU) : Middle Columbia 
Major Population Group (MPG) :  
Population :  
 

Spring Chinook

Biological Objective : Subbasin Plan Objective :
1,702 natural adults319
 
Current Status : Adult Counts (hatchery)
2017: 3,841 adults (hatchery)85

ESA Listing Status :    Not Listed
Evolutionary Significant Unit (ESU) : Middle Columbia 
Major Population Group (MPG) :  
Population :  
 

Coho

Biological Objective : Subbasin Plan Objective :
1,568 natural adults319
 
Current Status : Adult Counts (Threemile Falls Dam)
2017: 3,045 adults (hatchery)85

ESA Listing Status :    Not Listed
Evolutionary Significant Unit (ESU) :  
Major Population Group (MPG) :  
Population :  
 

Summer Steelhead

Biological Objective : Subbasin Plan Objective :
3,610 natural adults319
Recovery Plan Criteria :
1,500 natural adults16
 
Current Status : NOSA Estimate
2016: 3,599 spawners474
Redd Counts (mixed)
2017: 40 redds (mixed)224

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

Bull Trout

Biological Objective : Draft Recovery Plan Criteria :
500-5,000 adults distributed among three local populations321
 
Current Status : Redd Counts
2010: 13 redds141

ESA Listing Status :    Threatened