HYANNIS — In its hunt for new sources of drinking water, Barnstable must grapple with a grim reality spelled out in an April 2021 report by the engineering firm Weston & Sampson.
“...It is generally understood that any source developed in Barnstable has a risk of detection of PFAS,” the report’s authors wrote.
PFAS, or per- and polyfluoroalkyl substances, are a group of thousands of man-made chemicals, some of which have been linked to health problems including increased cholesterol, immune system issues, cancer and thyroid hormone disruption.
Barnstable — home to three documented sources of significant PFAS contamination including the former Barnstable County Fire Rescue & Training Academy, the Cape Cod Gateway Airport and the Barnstable Water Pollution Control Facility — is already treating Hyannis’s existing drinking water to remove the “forever” chemicals.
Because of the treatment, estimated to cost $900,000 annually, town officials say the water that flows out of the taps in Hyannis is safe to drink.
But the wells currently on line don’t yield enough water to meet all demand, according to a 2019 report by Weston & Sampson.
In 2020, the deficit in the Hyannis water system was 1.87 million gallons per day, according to the report. By 2040, that deficit is projected to grow to 3.23 million gallons per day, an increase of roughly 72%.
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“Weston & Sampson recommends that the Town of Barnstable...
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