Alex Elvin
All the saltwater ponds on the Vineyard are impaired to some degree, and each one faces a unique set of conditions. Public interest has reached a tipping point.
Coastal ponds
Noah Asimow
A three-year study by the Martha's Vineyard Commission revealed both continued high levels of nitrogen in some ponds, while others showed improvement.
Martha's Vineyard Commission
Coastal ponds

1943

The Navy has taken a leasehold right for the duration of the war from the commonwealth of Massachusetts and others on that portion of Squibnocket Pond which lies west of a line drawn north and south through the westerly shore of Beachgrass Island, so called. This line is marked by a series of buoys. The area around the pond has been conspicuously posted, warning people off the waters of the pond.

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