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
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 Fox Lake in Dodge County.
Blooms on Lake Chetac in Sawyer County in July 2014.