Warning: avoid the water at Echo Lake and Ronald Bog

Tuesday, October 27, 2020

Blue green algae at Echo Lake
Photo by Ann Michel

The State Department of Ecology is issuing warnings about toxic algae blooms in Washington lakes.

Locally, Ronald Bog was posted on October 16, 2020 and Echo Lake was posted on October 26, 2020 for blue green algae blooms.

The City of Shoreline has issued an Avoid Contact Advisory and posted signs at the lake.

Blue green algae is present at Echo Lake and it is potentially toxic. The public is advised to avoid contact with the water: please do not wade, swim, or fish in the water. Pets should not drink from the lake - toxic algae could result in extreme illness or even death.

Shoreline's surface water staff continue to monitor local lakes and take samples but the King county laboratory testing has ended for the winter.

Blown by the north wind, the algae in Echo Lake has concentrated at the south end of the lake.



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