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
PFOA5.7 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.
Undated · Research and Testing, Planning and Design, Public Communication, EC-SDC Grant ($980,000). The public water supplier will use these funds for research and pilot testing for PFAS removal from groundwater wells, along with the planning, design, and permitting for a treatment system at the existing water treatment plant. Blackstone Water Department (PWSID# 2032000) · $980k
Grant (small or disadvantaged community). Source →