Clark County Public Health issues danger advisory at Vancouver Lake

Results from water samples taken from Vancouver Lake on Monday revealed cyanotoxins above the threshold levels recommended by the Washington Department of Health

VANCOUVER – Clark County Public Health has issued a danger advisory at Vancouver Lake after test results revealed elevated levels of cyanotoxins in the water at the swim beach and flushing channel.

Clark County Public Health has been monitoring cyanobacteria blooms at Vancouver Lake since June 1 and will continue to monitor the lake throughout the summer. Photo by Mike Schultz
Clark County Public Health has been monitoring cyanobacteria blooms at Vancouver Lake since June 1 and will continue to monitor the lake throughout the summer. Photo by Mike Schultz

Results from water samples taken from Vancouver Lake on Monday revealed cyanotoxins above the threshold levels recommended by the Washington Department of Health. Danger signs are being posted at the swim beach and other public access points to the lake. Public Health is advising against all recreating in the lake, including swimming, kayaking, paddle boarding, canoeing and water skiing.

Blooms of cyanobacteria, also known as blue-green algae, are currently present at the swim beach, flushing channel and the south entrance by the Shillapoo Wildlife area.

Blue-green algae can pose a significant health risk if the cyanobacteria or toxins are ingested, inhaled or come into contact with skin. Inhaled bacteria or toxins can cause wheezing, coughing, chest tightness and shortness of breath. Skin contact can lead to rash, itching, blisters and eye irritation.

If water with cyanotoxins is accidentally swallowed, symptoms can include abdominal pain, diarrhea, vomiting, numbness of the lips, tingling in fingers and toes, and dizziness. The toxins can be fatal to pets that drink the water.

Public Health has been monitoring cyanobacteria blooms at Vancouver Lake since June 1 and will continue to monitor the lake throughout the summer. As long as blooms are present, Public Health will take weekly water samples to test toxin levels. Signs will be updated as conditions change.

Vancouver Lake Regional Park remains open. Water in park restrooms and shelters is not affected by lake water and remains safe to drink.

Additional information about blue-green algae and current advisories are posted on the Public Health public beach website. To report algae blooms in other bodies of water, visit the Public Health website.

Information provided by Clark Co. WA Communications.

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