Status & Trends by Region


Status & Trends in the Cowlitz Subbasin (Lower Columbia Province)

Fall Chinook

Biological Objective : Draft Recovery Plan Criteria :
Natural Adults
Upper Cowlitz - no objective; Lower Cowlitz - 3,000; Toutle - 4,000; Coweeman - 900 298
 
Current Status : NOSA Estimate
2015:
Toutle River - 440 spawners474
Coweeman River - 1,430 Adults474
2013:
Upper Cowlitz River - 3,287 spawners474
Lower Cowlitz River - 3,587 Adults474
Juvenile Outmigrants
2017: 32,459 juveniles474

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Lower Columbia 
Major Population Group (MPG) : Cascade Fall 
Population : Lower Cowlitz, Upper Cowlitz, Toutle, Coweeman 
 

Spring Chinook

Biological Objective : Draft Recovery Plan Criteria :
Natural Adults
Upper Cowlitz - 1,800; Cispus - 1,800; Tilton - No Objective; Toutle - 1,100 298
 
Current Status : NOSA Estimate
2014: 227 spawners (natural)474

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Lower Columbia 
Major Population Group (MPG) : Cascade Spring 
Population : Upper Cowlitz, Cispus, Tilton, Toutle 
 

Chum

No abundance chart available for Chum.
Biological Objective : Draft Recovery Plan Criteria :
Fall Run - 900 natural adults; Summer Run - 900 natural adtuls 298
 
Current Status : 9 adults collected at Cowlitz Salmon Hatchery 513
ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Columbia River 
Major Population Group (MPG) : Cascade 
Population : Cowlitz 
 

Coho

Biological Objective : Draft Recovery Plan Criteria :
Natural Adults
Lower Cowlitz - 3,700; Coweeman - 1,200; South Fork Toutle = 1,900; North Fork Toutle - 1,900; Upper Cowlitz - 2,000; Cispus - 2,000; Tilton - No objective 298
 
Current Status : NOSA Estimate
2012: Tilton River (early) - 2,744 spawners474
2013: North Fork Toutle River (early and late) - 1,425 spawners474
2015: Lower Cowlitz(late) - 5,132 spawners474
Upper Cowlitz(early and late) - 381 spawners474
Coweeman (late) - 767 spawners474
South Fork, Toutle River (early and late) - 1,537 spawners474

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Lower Columbia 
Major Population Group (MPG) : Cascade 
Population : Lower Cowlitz, Coweeman, South Fork Toutle, North Fork Toutle, Upper Cowlitz, Cispus, Tilton 
 

Winter Steelhead

Biological Objective : Draft Recovery Plan Criteria :
Natural Adults
Lower Cowlitz - 400; Coweeman - 500; South Fork Toutle - 600; North Fork Toutle - 600; Upper Cowlitz - 500; Cispus - 500; Tilton - 200 298
 
Current Status : NOSA Estimate 2015: Upper Cowlitz River - 151 adults 474
2013: Tilton River - 445 spawners474
Adult Escapement (natural)
2015: 940 adults (natural) 111
2014: Cowlitz River - 24 spawners 111
Green River - 310 spawners 111
Juvenile Outmigrants
2017: 11,567 juveniles474

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Lower Columbia 
Major Population Group (MPG) : Cascade Winter 
Population : Lower Cowlitz, Coweeman, South Fork Toutle, North Fork Toutle, Upper Cowlitz, Cispus, Tilton