Algae information

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

Harmful Cyanobacterial Bloom Advisories in Massachusetts current as of May 22, 2018

  • Chestnut Hill Reservoir - Boston
  • Cooks Pond - Plymouth
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In this list

Guidelines

Guidelines for Cyanobacteria in Freshwater Recreational Water Bodies (RTF 119.68 KB)

Fact Sheets

Microcystis and Anabaena Fact Sheet (RTF 33.5 KB)
Red Tide Fact Sheet English (DOCX 371.52 KB)
Red Tide Fact Sheet Spanish (DOCX 371.87 KB)

Educational materials

Identifying Cyanobacterial Blooms and Scums (photographs of blooms and scums) (PPT 147 KB)
Identifying Cyanobacterial Blooms and Scums (photographs of blooms and scums) (RTF 967 BYTES)
Harmful Algae Blooms in Fresh Water Bodies English (DOCX 359.88 KB)
Harmful Algae Blooms in Fresh Water Bodies Spanish (DOCX 361.34 KB)
Harmful Algae Blooms in Fresh Water Bodies Portuguese (DOCX 367.77 KB)
Harmful Algae Blooms in Fresh Water Bodies Vietnamese (DOCX 370.94 KB)
Harmful Algae Blooms in Fresh Water Bodies Simplified Chinese (DOCX 365.28 KB)
Harmful Algae Blooms in Fresh Water Bodies Traditional Chinese (DOCX 366.34 KB)
Harmful Algae Blooms in Fresh Water Bodies Haitian Creole (DOCX 365.69 KB)
Harmful Algae Blooms in Fresh Water Bodies Khmer (DOCX 365.76 KB)
Harmful Algae Blooms in Fresh Water Bodies Russian (DOCX 367.43 KB)
Protect Your Pets from Harmful Algae Blooms (pet safety poster) - English (PDF 110.31 KB)
Protect Your Pets from Harmful Algae Blooms (pet safety poster) - English (RTF 8.98 KB)
Protect Your Pets from Harmful Algae Blooms (pet safety poster) - Spanish (PDF 1.17 MB)
Protect Your Pets from Harmful Algae Blooms (pet safety poster) - Spanish (DOC 147 KB)

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 (RTF 35 KB)

Related links

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