Blue-green Algae in Wisconsin

Blue-green algae are lake-dwelling neighbors you may wish you didn't have. They grow in all lakes, but only develop to nuisance levels, called blooms, in certain conditions. Learn how to identify blue-green algae, and what conditions cause blue-green algae to grow to nuisance levels. We will discuss the health impacts of the toxins made by some blue-green algae on animals and people who ingest, inhale, or have skin contact with blue-green algae, and show you how to determine safe recreational levels of blue-green algae in Wisconsin's lakes.