Advisories are issued by the Wyoming Department of Health when cyanobacterial cell densities and/or cyanotoxin concentrations may pose a health risk to people in areas where cyanobacterial blooms occur. Blooms may only be present in certain areas of the waterbody and conditions may change frequently.

Questions regarding general health risks and symptoms related to a cyanobacterial bloom can be referred to Dr. Karl Musgrave, State Environmental Health Epidemiologist, at 307-777-5825.

Advisories Map