Algae Blooms

Learn about algae blooms and their impacts on human health

Cyanobacteria – also known as blue-green algae – occur naturally in freshwater, but can multiple quickly under certain conditions, creating a highly concentrated area known as a cyanobacterial harmful algal bloom. Algae blooms can be harmful to people and animals.

Related Services

Image credits:  Shutterstock

Help Us Improve Mass.gov  with your feedback

Please do not include personal or contact information.
Feedback