Benton County Lakes
Name (# of Reports) Last Update Location
Columbia Park Pond (2) 10-30-2020 Kennewick, WA
 

Ferry County Lakes
Name (# of Reports) Last Update Location
Roosevelt Lake (6) 11-16-2021 Electric City, WA
 

Grant County Lakes
Name (# of Reports) Last Update Location
Roosevelt Lake (6) 11-16-2021 Electric City, WA
 

Grays Harbor County Lakes
Name (# of Reports) Last Update Location
Sylvia Lake (1) 5-16-2013 Washington
 

Island County Lakes
Name (# of Reports) Last Update Location
Deer Lake (1) 5-28-2020 Whidbey Island, Washington
 

King County Lakes
Name (# of Reports) Last Update Location
Green Lake (1) 11-25-2020 Seattle, WA
Lake Washington (2) 9-15-2021 Mercer Island, WA
 

Lewis County Lakes
Name (# of Reports) Last Update Location
Mayfield Lake (1) 5-5-2021 Salkum, WA
 

Lincoln County Lakes
Name (# of Reports) Last Update Location
Fourth Of July Lake (1) 11-22-2021 Sprague, WA
Roosevelt Lake (6) 11-16-2021 Electric City, WA
 

Okanogan County Lakes
Name (# of Reports) Last Update Location
Roosevelt Lake (6) 11-16-2021 Electric City, WA
 

Pierce County Lakes
Name (# of Reports) Last Update Location
Bradley Lake (5) 4-24-2018 Tacoma, WA
 

Skamania County Lakes
Name (# of Reports) Last Update Location
Drano Lake (12) 10-7-2021  
 

Snohomish County Lakes
Name (# of Reports) Last Update Location
Lake Bosworth (1) 7-7-2020 WA
 

Spokane County Lakes
Name (# of Reports) Last Update Location
Medical Lake (1) 3-4-2020 Medical Lake, WA
Newman Lake (2) 9-8-2021 Spokane, WA
West Medical Lake (1) 8-16-2013 Medical Lake, WA
Williams Lake (1) 7-29-2021 Cheney, WA
 

Stevens County Lakes
Name (# of Reports) Last Update Location
Loon Lake (1) 7-9-2021 Loon Lake, WA
Roosevelt Lake (6) 11-16-2021 Electric City, WA
 

Whatcom County Lakes
Name (# of Reports) Last Update Location
Baker Lake (Whatcom) (1) 7-14-2021 Concrete, WA