Noah Asimow
Health agents and water quality experts have identified cyanobacteria blooms across Martha’s Vineyard, closing parts of Squibnocket Pond and issuing warnings about the toxic blue-green algae.
Cyanobacteria
Squibnocket Pond
Chilmark Pond

2023

A cyanobacteria bloom in Squibnocket Pond has rendered its waters unsafe for both humans and animals, according to an advisory made by the Chilmark board of health.

MVCyano, a coalition of local boards of health and the Great Pond Foundation, has issued “red-grade” cyanobacteria bloom advisories in Chilmark Pond, Tisbury Great Pond, James Pond and a pond at Mink Meadows.

The West Tisbury board of health issued a cyanobacteria bloom advisory for Tiah’s Cove in Tisbury Great Pond Wednesday, recommending that people avoid any contact with the water.

2022

The red-grade notice is the strongest health warning that the Island Boards of Health can issue in the event of a cyanobacteria bloom.

Island boards of health, working in conjunction with the Great Pond Foundation, issued the summer’s first cyanobacteria bloom watch notices last week.

2021

Health agents and water quality experts have identified cyanobacteria blooms across Martha’s Vineyard, closing parts of Squibnocket Pond and issuing warnings about the toxic blue-green algae.

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