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Beware Toxic Algae Over the Fourth of July

Over the Fourth of July holiday, don’t act like the crowds recreating in Grand Lake St. Marys, Ohio. With area pools closed due to the pandemic, people are flocking to the lake to cool off, despite the state’s guidelines on social distancing and large gatherings. But there’s another reason to be cautious: The lake is currently experiencing a toxic algae outbreak, which can be dangerous to visitors, both human and animal alike. Microcystin is one of the most common toxins produced by algae blooms in bodies of water. The Ohio Department of Health has issued a “red flag” warning for Grand Lake St. Marys, meaning that microcystin levels are at or above 20 micrograms per liter, or µg/L. Read more...



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