NOTE - routine bacteria monitoring ended September 14. Algal toxin monitoring will continue through the end of October.
Animal Safety Alert - Toxic Algae Blooms
Check out the
Northwest Toxic Algae website to learn about toxic algae and your pet.
Swimmer's Itch Information
Visit Public Health -Seattle & King County
Swimmer's Itch Page to learn about swimmer's itch.
Thornton Creek Bacteria Study
Public warned to stay out of Thornton Creek due to high bacteria levels;
based on an intensive study done by the City of Seattle.
We recommend avoiding contact with water from the following creeks due to high bacteria levels:
John's Creek, Juanita Creek, Ravenna
Creek, Idylwood Creek, and Thornton Creek.