A potentially harmful bloom of blue-green algae at two popular Minneapolis beaches has prompted city officials to issue an alert to community members.
A blue-green algae advisory is in place at Lake Nokomis’ Main Beach and 50th Street Beach after microcystin was detected in this week’s water samples. That’s the chemical that blue-green algae can produce, and its levels on the Minneapolis lake exceeded the amount that state agencies recommend for safe swimming and water activities.
The naturally occurring algal bloom can be toxic to both humans and animals, but there is no way to tell if it is toxic just by looking at it…