PFAS contamination found in wells near East Hampton battery site
PFAS above drinking-water standards turned up in four test wells near East Hampton’s battery site, and two SCWA drinking wells near Cove Hollow Road and Montauk Highway were also contaminated.
Suffolk County Water Authority found PFAS above drinking-water standards in nearby test wells tied to the East Hampton Energy Storage Center, three years after a fire at the Long Island lithium-ion battery facility. The contamination reached drinking wells near the intersection of Cove Hollow Road and Montauk Highway, raising fresh questions about whether the problem is contained to one site or points to a wider cleanup failure.
The affected supply area includes wells near Bridgehampton and East Hampton. Four test wells near the battery site showed high levels of forever chemicals, and two Suffolk County Water Authority drinking wells close to Cove Hollow Road and Montauk Highway were contaminated. The utility posted a public notice titled Impacts from East Hampton Battery Storage as it tracked the problem and its reach through the local groundwater system.
SCWA says it has already reached full compliance with the Environmental Protection Agency’s National Primary Drinking Water Regulations for PFAS, even as it continues monitoring emerging contaminants. That puts the utility in the position of dealing with a contamination event near a site that has already drawn public scrutiny since the fire, with the water authority now treating the issue as a matter of public notice and legal action, not just testing.
In June 2026, Suffolk County Water Authority filed suit over the contamination linked to the battery site. News 12 reported that the lawsuit alleges PFAS from the batteries entered the water and migrated into the Bridgehampton wellfield, connecting the East Hampton site to a broader drinking-water concern for Suffolk County residents who rely on that supply.
Citizens Campaign for the Environment has also called on the East Hampton Energy Storage Center to clean up the PFAS contamination. With four test wells above drinking-water standards and two drinking wells implicated near Cove Hollow Road and Montauk Highway, the central question now is whether this is an isolated well issue or the latest sign that the old battery site still threatens groundwater beyond East Hampton.
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