The following lakes are posted for an ongoing toxic algae bloom. Blooms look like green or blue surface scums or algae clumps. While posted, follow the guidelines on the WARNING sign.
Learn more about toxic algae.
Updated November 14, 2023.
No area lakes are currently experiencing toxic algae blooms.
See toxin testing results at www.nwtoxicalgae.org.
Free, online, and on-demand so you can take at any time! Learn how to keep your septic system running properly for years to come and how to receive up to $500 in septic system care rebates through the County's Savvy Septic program. Be sure to save and send us your certificate of completion if participating for LakeWise. Workshop available here!
Join a professional landscape designer to learn how to grow the lawn you've always wanted - naturally and with minimal time and expense.
Two free & in-person Natural Lawn Care Workshops will be held in April 2024 both from 6:30-8:30 PM at the following locations:
Registration is required. To register, please complete this form!
If you would like to receive email or text alerts for most lakes in unincorporated Snohomish County, please go to the Lakes Email News page and click the link next to the lake you are interested in to sign up.