PFAS in Massachusetts water

The EPA tested public water systems across Massachusetts for 29 PFAS. In 106 of them, at least one came back above a federal limit. Find your system below — you'll get the actual levels, our plain verdict on each compound, and the filter that genuinely removes it. We sell nothing.

Not listed? Your system may not have been sampled, or nothing exceeded a limit — see the national picture.

• Abington/Rockland Joint Wtr. Works 2 over the limit
• Acton Water Supply District 2 over the limit
• Aquarion Water Company, Millbury 2 over the limit
• Attleboro Water Dept 2 over the limit
• Auburn Water District, Ma 2 over the limit
• Barnstable Fire District 2 over the limit
• Bellingham Dpw Water Sewer Div. 2 over the limit
• Billerica Water Works 1 over the limit
• Blackstone Water Department 1 over the limit
• Bourne Water District 1 over the limit
• Boylston Water District 1 over the limit
• Braintree Water And Sewer Dept. 2 over the limit
• Bridgewater Water Department 2 over the limit
• Cambridge Water Department 1 over the limit
• Canton Water Dept 1 over the limit
• Centerville Osterville Marstons Mills Wd 1 over the limit
• Chelmsford Water District 2 over the limit
• Cohasset Water Dept 2 over the limit
• Concord Water Dept, Ma 1 over the limit
• Danvers Water Dept. 1 over the limit
• Dartmouth Water Division 2 over the limit
• Dedham Westwood Water Dist. 2 over the limit
• Dighton Water District 2 over the limit
• Dracut Water Supply District 1 over the limit
• Duxbury Water Department 3 over the limit
• East Bridgewater Water Dept. 1 over the limit
• Easton Water Div 2 over the limit
• Fitchburg Dpw, Div. Of Water Supply 1 over the limit
• Foxboro Water Department 2 over the limit
• Franklin Water Department, Ma 2 over the limit
• Grafton Water District 2 over the limit
• Groveland Water Department 1 over the limit
• Halifax Water Department 1 over the limit
• Hamilton Water Dept 2 over the limit
• Hanover Water Dept, Ma 2 over the limit
• Hanson Water Department 1 over the limit
• Haystack Estates 1 over the limit
• Holbrook Public Works Dept 2 over the limit
• Holden Water Division, Dpw 1 over the limit
• Holliston Water Department 2 over the limit
• Hopedale Water Department 2 over the limit
• Hopkinton Water Department 1 over the limit
• Ipswich Dpu Water Dept 1 over the limit
• Kenwood Water District 1 over the limit
• Leominster Water Division 1 over the limit
• Lincoln Water Dept 2 over the limit
• Lowell Regional Water Utility 1 over the limit
• Lunenburg Water District 1 over the limit
• Lynn Water And Sewer Comm 1 over the limit
• Lynnfield Center Water District 1 over the limit
• Manchester By The Sea Dpw 2 over the limit
• Mansfield Water Division 2 over the limit
• Marshfield Water Department 2 over the limit
• Maynard Dpw, Water Division 2 over the limit
• Medfield Water Dept. 2 over the limit
• Medway Water Department 1 over the limit
• Merrimac Water Department 1 over the limit
• Middleborough Water Supply 2 over the limit
• Middleton Water Dept. 1 over the limit
• Milford Water Company 2 over the limit
• Millis Water Dept 2 over the limit
• Natick Water Department 3 over the limit
• Needham Water Dept 2 over the limit
• Newburyport Water Department 1 over the limit
• Norfolk Water Division 2 over the limit
• North Adams Water Dept 1 over the limit
• North Attleboro Water Dept 2 over the limit
• Norton Water Department 1 over the limit
• Norwell Water Department 2 over the limit
• Onset Fire District 1 over the limit
• Peabody Water Dept. 1 over the limit
• Pepperell Dpw Water Division 2 over the limit
• Plainville Water Department 2 over the limit
• Randolph Water Department 2 over the limit
• Raynham Center Water District 1 over the limit
• Rowley Water Department 2 over the limit
• Salisbury Water Department 1 over the limit
• Scituate Water Division 2 over the limit
• Seekonk Water District 1 over the limit
• Sharon Water Dept 3 over the limit
• Shirley Water District 1 over the limit
• Shrewsbury Water Department 2 over the limit
• Sterling Water Department 1 over the limit
• Stoughton Water Department 2 over the limit
• Sudbury Water District 1 over the limit
• Swansea Water District 1 over the limit
• Templeton Munic. Light And Water Plant 1 over the limit
• Tewksbury Water Department 1 over the limit
• Topsfield Water Department 2 over the limit
• Town Of Avon 2 over the limit
• Townsend Water Department 1 over the limit
• Tyngsborough Water District 1 over the limit
• Uxbridge Dpw, Water Division 1 over the limit
• Wakefield Water Dept 1 over the limit
• Ware Water Dept 2 over the limit
• Wayland Water Department 1 over the limit
• Webster Water Department 1 over the limit
• Weir River Water System 1 over the limit
• Wellesley Water Division 2 over the limit
• Wenham Water Dept. 2 over the limit
• West Boylston Water District 1 over the limit
• West Bridgewater Water Dept 1 over the limit
• Westborough Water Department 2 over the limit
• Westford Water Department 2 over the limit
• Woburn Water Dept. 2 over the limit
• Wrentham Water Division 2 over the limit

Source: US EPA UCMR 5 occurrence data, 2023–2025. · All states