Potholes State Park

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July 24, 2020

Toxic Blue Algae Alert

Grant County Health District advises the public to avoid contact with Potholes Reservoir due to Toxic Blue Algae present in recent testing. Effective immediately GCHD is advising the following:

Avoid all contact with Potholes Reservoir water areas (Including recreational water activities)

Do not drink the reservoir water

Keep all pets & livestock away from the reservoir water

Clean fish caught in Potholes Reservoir well and discard their guts


If your WA State Parks reservation may be impacted by this announcement and you would like to discuss your options please email reservations@parks.wa.gov and a customer service representative can assist you.

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