Swimming Beach Bacteria and Algal Toxin Levels, and Water Temperature

The following map depicts the locations of current swimming beach sampling stations in King County. To view the current bacteria, algal toxin, and temperature data, either click on the map or select from the list of beaches. Units of bacteria data are cfu/100mL. Algal toxin units are µg/L. To view historical data and trends, visit our archived bacteria and temperature data page. Current beach closures, if any, are listed right hand column of this page and will appear as red dots on the map.

Andrews Bay - Seward Park Beaver Lake Beach East Green Lake Echo Lake Enatai Beach Gene Coulon Hidden Lake Houghton Beach Idylwood Beach Idylwood Creek John's Creek Juanita Beach Juanita Creek Kennydale Beach Lake Sammamish Beach Lake Wilderness Beach Luther Burbank Beach Madison Park Beach Madrona Beach Magnuson Beach Magnuson Beach Off Leash Area Marina Park Beach Matthews Beach Meydenbauer Bay Beach Mount Baker Beach NE 130th Pl Newcastle Beach Pine Lake Pritchard Island Beach Rattlesnake Lake Thornton Creek Waverly Park Beach West Green Lake

Closed beach    Open beach    Stream

Current Beach Closures:

All sampled beaches are open.