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Blue-Green Algae: Resources and Links for Preventing Algae-Related Illness

Please report algae-related illness to the Wisconsin Department of Health Services, Division of Public Health. To speak with program staff directly, call 608-266-1120.

Fact sheets

Additional resources

How to Report a Suspect Case of Blue-Green Algae (Cyanobacteria) Poisoning

For members of the general public and veterinarians: 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 to the Wisconsin Harmful Algal Blooms Program.

Last revised August 7, 2023