One or more PFAS compounds exceed EPA Maximum Contaminant Levels. This is not a current violation — the federal compliance deadline is April 2029 (a proposed extension to 2031 is not final). These are UCMR 5 results from 2023 to 2025; the system may have installed treatment since.
Key contaminants vs MCL
PFOA4.4 ppt(MCL: 4 ppt)
PFOS7.1 ppt(MCL: 4 ppt)
EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: April 26, 2029 under the current rule.
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As printed in the state's own documents. Amounts are not added together: each is a different kind of figure.
Jul 29, 2024 · PFAS treatment, EC-SDC grant ($2,388,000).The public water supplier will use the funds to construct a new 2.16 million gallons per day drinking water treatment facility with Granulated Activated Carbon to remove PFAS at wells #2 and #5. Barnstable Fire District (PWSID# 4020000) · $2.39M
Grant (small or disadvantaged community). Source →
Undated · PFAS Interim Rehabilitation of Well Pump Station 1 · $1.46M
Undated · Water Filtration Plant Construction - Wells 2 and 5 · $6.98M
PFAS loan project, under construction (estimated cost). Source →
Undated · PFAS and manganese treatment, EC-SDC grant ($1,000,000).The public water supplier will use the funds to construct a new treatment system to remove manganese and PFAS at wells #3 and 4. Barnstable Fire District (PWSID# 4020000) · $1M
Grant (small or disadvantaged community). Source →