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Algal bloom watch: Advisory issued for Utah Lake, part of Mantua Reservoir closed

By Lauren Bennett, KSL.com | Posted - Sep. 9, 2019 at 8:38 p.m.

SALT LAKE CITY — For Utahns looking to enjoy the last few warm days of summer with a trip to a lake, they might want to change plans.

Several bodies of water across Utah have harmful algal blooms. Stay up to date with the most recent information below.

Warning advisory issued at Utah Lake for the month

The Utah County Health Department issued a lakeside warning advisory Monday after cyanobacteria cell counts, commonly known as blue-green algae, exceeded the recreation health-based threshold in three open-water samples, according to Utah Department of Environmental Quality.

The warning will remain in place for the rest of September, officials said. A warning advisory means the water poses a moderate health risk for people.

People visiting the lake under a warning advisory shouldn’t swim, water ski or ingest water. Additionally, patrons should keep pets and livestock away from the water, clean fish well and throw away guts, and avoid scum areas while boating.

North Beach closed at Mantua Reservoir

Also Monday, the Bear River Health department shut down the North Beach of Mantua Reservoir and issued a warning advisory for the rest of the water.

Samples collected Monday showed high levels of blue-green algae.

Danger advisories

Matt Warner Reservoir and North Beach Shore at Yuba Lake were both closed due to dangerous levels of toxins in the water, according to UDEQ.

The remainder of Yuba Lake was under a warning advisory, according to officials.

To stay up to date with the latest harmful algal blooms across the Beehive State, visit UDEQ’s website.

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