offered by
Environmental Toxicology Program
Bureau of Environmental Health
Department of Public Health
related to
Algae Blooms
Cyanobacterial Harmful Algal Blooms (CyanoHABs) & Water

Algae information

This information is provided by the Environmental Toxicology Program within the Department of Public Health.
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Table of Contents

Guidelines

Guidelines for cyanobacteria in freshwater recreational water bodies 

Fact Sheets

Microcystis and Anabaena fact sheet 
Red tide fact sheet 

Find out information about red tide. The printer-friendly and Spanish versions of this fact sheet can also be downloaded.

Educational materials

Identifying cyanobacterial blooms and scums (photographs of blooms and scums) 
Harmful algae blooms in freshwater bodies 

This fact sheet is also available to download in these languages: Spanish, Portuguese, Simplified/Traditional Chinese, Haitian Creole, Khmer, Russian and Vietnamese.

Protect Your Pets from Harmful Algae Blooms (pet safety poster) 

Download the pet safety poster in English or Spanish.

Presentations

Recreational Risk Management of Surface Waterbodies: Cyanobacteria Surveillance in Massachusetts (PPTX 1.04 MB)
Recreational Risk Management of Surface Waterbodies: Cyanobacteria Surveillance in Massachusetts (DOCX 80.35 KB)

Reprinted articles

Harmful Algae Blooms and Pet Health 

Reprinted with permission from the Massachusetts Veterinary Medical Association Official Publication — MassVet News, April 2011

Related links

CDC's Harmful Algal Bloom (HAB) information 
EPA's Information on Cyanobacterial Harmful Algal Blooms (CyanoHABs) 
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