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Alert Issued: Harmful Blue-Green Algae detected near Madison waterfronts

Alert issued by Public Health Madison and Dane County: Blue-green algae detected at specific beaches in Madison.

Watch Out: Madison's Beaches Offer Presence of Harmful Blue-Green Algae
Watch Out: Madison's Beaches Offer Presence of Harmful Blue-Green Algae

Alert Issued: Harmful Blue-Green Algae detected near Madison waterfronts

In the summer of 2025, residents and visitors of Madison, Wisconsin, are advised to be vigilant about blue-green algae blooms at local beaches. Public Health Madison and Dane County has reported the presence of blue-green algae at some beaches in the city.

Blue-green algae can resemble pea soup, teal, or green paint, and often forms scummy mats on the water's surface. Swimming in these blooms is not recommended, as they can pose health risks. If the presence of blue-green algae is uncertain, it's best to avoid entering the water.

Beach monitoring typically ends on Labor Day, but it's essential to remain aware of blue-green algae if you're using beaches during the warmer weather. To stay informed, you can download the website15 News app or the website15 First Alert weather app for updates.

The Wisconsin Department of Natural Resources (DNR) is responsible for issuing warnings and taking measures regarding blue-green algae outbreaks at beaches in Madison. If you come into contact with blue-green algae while at the beach, wash your pet thoroughly with soap and water to remove any potential toxins.

It's important to remember that our website holds the copyright for this article. Stay safe and enjoy the water responsibly this summer!

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