Despite their name, blue-green algae can be a variety of colors. Blooms can be blue, green, brown, white or a combination of colors. Do you want to share a picture of blue-green algae from your local lake? Email photos with a description of the bloom and the location to DHSEnvHealth@wi.gov.
A green paint-like algal bloom on Lake Menomin in Dunn County during the summer of 2009.
An algal scum on Tainter Lake in Dunn County during the summer of 2010.
A decaying algal mat on Lake Kegonsa in Dane County during June of 2010.
A multi-colored algal bloom on Cedar Lake in St. Croix County in May of 2010.
A large algal bloom on Cedar Lake in St. Croix County in May of 2010.