Wisconsin officials ask the public to report algal blooms in Lake Superior

By Anna Barnes

The Wisconsin Department of Natural Resources is banking on public oversight of the largest Great Lake to help gauge the threat of increasingly common algal blooms.

Blue-green algae, also known as cyanobacteria, can produce toxins that pose a danger to public health, said Kait Reinl, research coordinator at the National Oceanic and Atmospheric Administration’s Lake Superior National Estuarine Reserve in Superior, Wisconsin. Symptoms from exposure include stomach cramps, diarrhea, vomiting, headache, muscle weakness, fever and difficulty breathing, according to the Wisconsin DNR. Pets and children are particularly at risk. “The reason we specifically call out children and pets is because they’re pretty indiscriminate about the water that they’re inhaling or swallowing, and that’s really where the biggest risk lies,” Reinl said. As of Sept.

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