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FOR IMMEDIATE RELEASE: Friday, September 29, 2017
Jane Mountjoy-Venning, Senior Environmental Health Specialist (360) 867-2643 or venninj@co.thurston.wa.us

Thurston County Lakes Cautions and Closures
Several lakes in the County are under advisory because of algae blooms

​The Thurston County Health Department has confirmed blue-green algae blooms at multiple lakes in the County with a liver toxin (microcystin) present above levels of concern.

  • Long Lake is currently under advisory.  Lacey Parks and Recreation has closed the swim area at Long Lake Park.
  • Lake Lawrence is currently under advisory
  • Clear Lake is currently under advisory
  • Kenneydell Park swim area on Black Lake is closed due to limited visibility
  • An algae bloom is being tested at Black Lake, with results expected next week
  • An algae bloom is being tested at Pattison lake, with results expected next week

While there is no algae bloom at Summit Lake, health department staff continue to test for toxins due to the toxic bloom earlier this year.  Many Summit Lake residents use the lake for drinking water.  Results are received on a weekly basis. Toxin levels for Anatoxin–a and microcystin have been extremely low – usually below test detection limits – since an advisory was lifted on June 28, 2017.

The health department advises extra precautions be taken to avoid the health risks posed by toxins When there is an algae bloom present.

  • Avoid contact with water containing algae; including swimming, skiing, or similar activities.
  • Keep pets and livestock away from areas where algae blooms are present.
  • If boating, avoid areas where algae scum is present.
  • When fishing, it is safest to catch-and-release any fish caught during a toxic algae bloom.

Signs have been posted at the relevant lakes, and the Health Department has notified residents who signed up for email alerts. To be added to the algae alert email list complete the form located at http://www.co.thurston.wa.us/health/ehadm/swimming/pdf/AlgaeEmail-Signup.pdf  or call 360-867-2653.

You can learn more about toxic algae blooms and health risks on the  Washington State Department of Health's Blue-Green Algae website, or contact the Thurston County Health Department at 360-867-2626.


County Commissioners:

Carolina Mejia
District 1

Gary Edwards
District 2

Tye Menser
District 3