Benton County Rivers
Name (# of Reports) Last Update Location
Columbia River- Kennewick (4) 10-18-2022 Kennewick, WA
 

Chelan County Rivers
Name (# of Reports) Last Update Location
Icicle River (10) 5-27-2026 WA
Wenatchee River (6) 7-26-2023 WA
 

Clallam County Rivers
Name (# of Reports) Last Update Location
Bogachiel River (1) 3-7-2024 Forks , WA
Hoh River (5) 9-27-2024 WA
Sol Duc River (13) 4-28-2026 WA
 

Clark County Rivers
Name (# of Reports) Last Update Location
Washougal River (11) 10-25-2022 WA
 

Columbia County Rivers
Name (# of Reports) Last Update Location
Tucannon River (5) 1-3-2022 WA
 

Cowlitz County Rivers
Name (# of Reports) Last Update Location
Columbia River (235) 2-20-2026 OR
Cowlitz River (25) 2-19-2026 WA
Kalama River (11) 3-1-2024 WA
Lewis River (12) 5-24-2024 WA
 

Franklin County Rivers
Name (# of Reports) Last Update Location
Hanford Reach (16) 5-23-2025 Burbank, WA
 

Grant County Rivers
Name (# of Reports) Last Update Location
Rocky Ford (3) 11-19-2007 WA
 

Jefferson County Rivers
Name (# of Reports) Last Update Location
Bogachiel River (1) 3-7-2024 Forks , WA
Hoh River (5) 9-27-2024 WA
 

King County Rivers
Name (# of Reports) Last Update Location
Skykomish & Snoqualmie Rivers (11) 7-31-2023 WA
 

Klickitat County Rivers
Name (# of Reports) Last Update Location
Klickitat River (16) 3-10-2025 WA
 

Okanogan County Rivers
Name (# of Reports) Last Update Location
Columbia River- Brewster (12) 8-13-2024 Brewster, WA
 

Pacific County Rivers
Name (# of Reports) Last Update Location
Columbia River- Chinook (1) 8-15-2022 Chinook, WA
 

Pierce County Rivers
Name (# of Reports) Last Update Location
Nisqually River (3) 5-25-2021 WA
Puyallup River (4) 8-30-2019 WA
 

Skagit County Rivers
Name (# of Reports) Last Update Location
Cascade River (18) 6-2-2025 WA
Samish River (2) 9-14-2023 WA
Skagit River (43) 4-18-2025 WA
 

Skamania County Rivers
Name (# of Reports) Last Update Location
Washougal River (11) 10-25-2022 WA
Wind River (12) 3-10-2025 WA
 

Snohomish County Rivers
Name (# of Reports) Last Update Location
Stillaguamish River (13) 10-2-2024 WA
 

Walla Walla County Rivers
Name (# of Reports) Last Update Location
Snake River (59) 7-6-2024 ID
 

Whatcom County Rivers
Name (# of Reports) Last Update Location
Noosack River (9) 5-21-2024 WA
 

Yakima County Rivers
Name (# of Reports) Last Update Location
Klickitat River (16) 3-10-2025 WA
Yakima River (27) 9-13-2023 WA