Photos 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 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@dhs.wisconsin.gov.
Report blue-green algae-related illness
Members of the general public and veterinarians should call 608-266-1120 or complete the online form Harmful Algae Bloom (HAB) Illness or Sighting Survey, F-02152 (web survey) to report any blue-green algae blooms and related human or animal illnesses.