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

Chelan County Lakes
Name (# of Reports) Last Update Location
Fish Lake (Chelan County) (1) 2-25-2022 Plain, WA
Lake Chelan (3) 8-14-2022 Chelan, WA
 

Ferry County Lakes
Name (# of Reports) Last Update Location
Roosevelt Lake (18) 9-8-2022 Electric City, WA
 

Grant County Lakes
Name (# of Reports) Last Update Location
Lake Lenore (1) 3-22-2022 Soap Lake, WA
Roosevelt Lake (18) 9-8-2022 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 Sammamish (1) 3-8-2022 Redmond, 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 (2) 11-22-2021 Sprague, WA
Roosevelt Lake (18) 9-8-2022 Electric City, WA
 

Okanogan County Lakes
Name (# of Reports) Last Update Location
Roosevelt Lake (18) 9-8-2022 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 (14) 5-5-2022  
 

Snohomish County Lakes
Name (# of Reports) Last Update Location
Lake Bosworth (1) 7-7-2020 WA
Martha Lake (2) 4-23-2022 Lynnwood, WA
 

Spokane County Lakes
Name (# of Reports) Last Update Location
Medical Lake (1) 3-4-2020 Medical Lake, WA
Newman Lake (3) 6-27-2022 Spokane, WA
West Medical Lake (1) 8-16-2013 Medical Lake, WA
Williams Lake (2) 8-14-2022 Cheney, WA
 

Stevens County Lakes
Name (# of Reports) Last Update Location
Loon Lake (2) 8-18-2022 Loon Lake, WA
Roosevelt Lake (18) 9-8-2022 Electric City, WA
 

Whatcom County Lakes
Name (# of Reports) Last Update Location
Baker Lake (Whatcom) (2) 7-21-2022 Concrete, WA