Wisconsin Beachgoers: Be Aware Of Blue-Green Algae Risks

Wisconsin Beachgoers: Be Aware Of Blue-Green Algae Risks The Wisconsin Department of Natural Resources (DNR) is reminding beachgoers and their pets to watch for blue-green algae and know the risks. Blue-green algae can cause illness if swallowed or inhaled in water droplets, or irritation if rubbed on the skin under clothing. Blue-green algae, or cyanobacteria, are photosynthetic bacteria