Department of Health Services Logo

 

Wisconsin Department of Health Services

 
 

Blue-Green Algae

Harmful Algal Blooms Home Understanding Algae Health Concerns Keeping Our Lakes Clean Images of Algal Blooms Resources and Links Contact Us

Images of Algal Blooms

Despite their name, blue-green algae can be a variety of colors. Blooms can be blue, green, brown, white or a combination of different 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.

Green paint-like algal bloom on Lake Menomin Wisconsin in 2009.
A green paint-like algal bloom on Lake Menomin in Dunn County during the summer of 2009.

An algal scum on Tainter Lake in 2010.
An algal scum on Tainter Lake in Dunn County during the summer of 2010.

 

A decaying algal mat on Lake Kegonsa.
A decaying algal mat on Lake Kegonsa in Dane County during June of 2010.

 

A swirling algal mat on Cedar Lake in May of 2010.
A multi-colored algal bloom on Cedar Lake in St. Croix County in May of 2010.

 

A large, mulicolored algal mat on Cedar Lake in May of 2010.
A large algal bloom on Cedar Lake in St. Croix County in May of 2010. 

 

Back to Environmental Health Resources

Last revised: March 03, 2011