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
PFOA11 ppt(MCL: 4 ppt)
PFOS5 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.
See this system's PFAS detection levels
Free — enter your email for full site detail and weekly alerts.
See the exact detection levels — free
Your email unlocks every blurred value on this page instantly. You'll also get email updates when your state's MCLs, settlement deadlines, or funding change.
578 more results for this water system — free with your email
See the exact detection levels — free
Your email unlocks every blurred value on this page instantly. You'll also get email updates when your state's MCLs, settlement deadlines, or funding change.
Undated · East Grove Street Water Treatment Plant · $22.5M
PFAS loan project, under construction (estimated cost). Source →
Undated · Research & Testing, Planning & Design, Consolidation, and Private Wells Activities, EC-SDC grant ($1,725,000). The public water system will use these funds for sampling and an extension of the Middleborough municipal water supply to address PFAS and Manganese contamination at two existing PWS (Jakes Path, PWS #4182018 and SEMASS, PWS #4250007) and among residences currently relying on private well water. Middleborough Water Department (PWSID# 4182000) · $1.73M
Grant (small or disadvantaged community). Source →