Vineyard Sees First Cyanobacteria Blooms of the Year

A bloom near the bottom of middle Chilmark Pond was found on Tuesday, prompting the Chilmark board of health to issue a warning for people and pets to stay out of the water there. 

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Cyanobacteria Bloom Found in Squibnocket Pond

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.

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Cyanobacteria Reaches Red-Grade Status in Four Ponds

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.

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Cyanobacteria Bloom Found in Tisbury Great Pond

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.

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Chilmark Cyanobacteria Bloom Triggers Season's First Red Notice

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

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Cyanobacteria Monitoring Under Way in Island Ponds

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

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Cyanobacteria Blooms Close Parts of Squibnocket Pond

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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Two Foundations Launch Intensive Study of Chilmark Pond
Maia Coleman

Dredging and intensive study are part of a new project for Chilmark Pond, as two foundations have joined forces to develop a science-driven restoration plan for the pond.

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Scientists Grapple With Levels of Cyanobacteria in Coastal Ponds

When Dr. Jim Haney, a professor of biological science at the University of New Hampshire, first saw the results of cyanobacteria sampling from six of the Island's coastal ponds, he thought there had been a mistake.

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Dangerous Toxins Found in Island Ponds, Alarming Scientists

Preliminary sampling and analysis from researchers with the University of New Hampshire have revealed high levels of dangerous toxins from cyanobacteriain many of the Island’s ponds.

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