Blue-green Algae



At various times over the last several years, the Wisconsin Department of Natural Resources has confirmed the presence of blue-green algae in Lake Petenwell, Castle Rock Lake, Lake Sherwood, Lake Camelot, and Lake Arrowhead in Adams County. Illnesses in humans and animals potentially related to blue-green algae in these lakes have been reported as well.
Below are some links to important information about managing the risk of illness related to contact with blue-green algae.


