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.
Chilmark Pond
July 26, 2021
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.
2025
April 1, 2025
The Chilmark Pond Foundation received approvals last week to place an ultrasonic buoy in the pond in an effort to beat back cyanobacteria blooms from forming.
2024
October 22, 2024
Local scientists and advocates are undertaking new research and exploring new preservation efforts in an attempt to save Chilmark Pond, one of Martha’s Vineyard’s unhealthiest ponds, from harmful algal blooms.
June 5, 2024
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.
2023
July 5, 2023
Island officials hope a new Martha's Vineyard Commission report that explores ways to cut down the amount of nitrogen pollution in up-Island ponds could serve as a blueprint for local planners.
2022
May 26, 2022
More than half the nitrogen polluting Great Ponds along the south shore is coming from wastewater, a newly released report has found.
2021
July 26, 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.
