Use this tool to generate sample number

Ecology’s toxicity sampling has been closed for the season. We will open the program again next spring. If you have a lake with a significant bloom and/or a human/animal illness that is a drinking water source or is still heavily recreated on, please contact Lizbeth Seebacher

Links to external sites do not constitute endorsements by King County. By visiting this and other King County web pages, you expressly agree to be bound by terms and conditions of the site. For questions on the content or functionality of the site please contact . For information or concerns about a current Algal Bloom please contact your local Health Department.

© 2019 King County