A new private-public coalition announced this week will monitor the presence of cyanobacteria in the Edgartown, Chilmark and Tisbury Great Ponds this summer, including through maps and a special-purpose website.
Edgartown Great Pond Foundation
Island boards of health
Edgartown Great Pond
Chilmark Pond

2022

Island boards of health, working in conjunction with the Great Pond Foundation, issued the summer’s first cyanobacteria bloom watch notices last week.
More than half the nitrogen polluting Great Ponds along the south shore is coming from wastewater, a newly released report has found.

2021

Wastewater discharge from urbanization to the north and east of Edgartown Great Pond has been identified as the primary source of increased nitrogen loading in the pond, according to a new study by a Woods Hole scientist.
A new private-public coalition announced this week will monitor the presence of cyanobacteria in the Edgartown, Chilmark and Tisbury Great Ponds this summer, including through maps and a special-purpose website.