Asotin County Rivers
Name (# of Reports) Last Update Location
Grande Ronde River (11) 12-5-2018 Colville, OR
 

Clark County Rivers
Name (# of Reports) Last Update Location
Washougal River (1) 2-20-2018  
 

Cowlitz County Rivers
Name (# of Reports) Last Update Location
Columbia River (85) 9-27-2018  
Cowlitz River (1) 5-17-2013  
Kalama River (3) 2-25-2018  
 

Pierce County Rivers
Name (# of Reports) Last Update Location
Puyallup River (3) 9-26-2013  
 

Skagit County Rivers
Name (# of Reports) Last Update Location
Cascade River (1) 1-3-2013  
 

Skamania County Rivers
Name (# of Reports) Last Update Location
Washougal River (1) 2-20-2018  
Wind River (2) 9-10-2013  
 

Walla Walla County Rivers
Name (# of Reports) Last Update Location
Snake River (12) 10-31-2018