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As the weather gets hotter and more humid, it’s tempting to jump into the nearest body of water to cool off. But several Minnesota beaches have seen a rise in bacteria levels that can make people or animals sick. 

On Wednesday, the Minneapolis Parks and Recreation Board issued hazardous algae advisories for both Lake Nokomis beaches: the Main Beach and the 50th Street Beach. Hot weather, sunlight and high water temperatures are ideal conditions for 

 to bloom and, in turn, release toxic bacteria. 

As of Saturday, several other beaches around the Twin Cities remain closed or are under advisory for high levels of bacteria, including E. coli. 

As the weather shifts and conditions change, MPR News will update the list below with new closures and advisories. 

Know of any lake closures in your area that we missed? Let us know at 

According to the Minnesota Pollution Control Agency, 

People and pets should avoid water that: 

Pet owners should keep animals from swimming in water that shows any of the above signs and from licking any algae off their fur. 

If fishing, be sure to rinse any catches in fresh, clean water and to throw away the guts before cooking and eating. 

And, as a rule of thumb, do not swallow lake water or swim in areas where you cannot see your feet in knee-deep water. 

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Payton Whaley

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As the weather gets hotter and more humid, it’s tempting to take a dip into the nearest body of water to cool off. But several Minnesota beaches have seen a rise in bacteria levels that can make people or animals sick. 

Algae blooms accumulate along the shoreline

Minnesota beaches are closed due to bacteria, toxic algae. Here's where and what to look for.

Go Deeper.

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