Official PFAS Records

Massachusetts PFAS Watchlist

Official EPA UCMR 5 PFAS monitoring records for public water systems in Massachusetts. 142 water systems with qualifying official records.

Source retrieved: May 26, 2026 · EPA UCMR 5

Monitoring results are not compliance determinations. Missing records do not establish absence of PFAS. Methodology

Massachusetts PFAS dataset — for journalists & researchers

Full state-level detection data with downloadable CSV, methodology, and citation formats.

View Massachusetts PFAS data →

142

Systems with records

1,356

Total records

1,356

Official detections

Water System	PWSID	Analytes in records	Records	Detections
Worcester Dpwp, Water Supply Division Worcester	MA2348000	PFPeA	1	1 detected	View
Cambridge Water Department Cambridge	MA3049000	PFPeAPFHxAPFOA	5	5 detected	View
Lowell Regional Water Utility Lowell	MA3160000	PFPeAPFHxAPFOA	3	3 detected	View
Lynn Water and Sewer Comm Lynn	MA3163000	PFOAPFBAPFHxAPFPeAPFBS	14	14 detected	View
City of New Bedford Dpi New Bedford	MA4201000	PFBA	1	1 detected	View
Lawrence Water Works Lawrence	MA3149000	PFPeAPFHxA	2	2 detected	View
Dennis Water District Dennis	MA4075000	PFHxAPFPeA	2	2 detected	View
Revere Water Division (mwra) Revere	MA3248000	6:2FTS	1	1 detected	View
Weymouth Water Department Weymouth	MA4336000	PFPeA	1	1 detected	View
Peabody Water Dept. Peabody	MA3229000	PFBSPFOAPFHxAPFPeAPFBA	29	29 detected	View
Methuen Water Dept Methuen	MA3181000	PFOAPFPeAPFHxA	5	5 detected	View
Centerville Osterville Marstons Mills Wd Barnstable	MA4020002	PFBSPFHxAPFPeAPFOAPFHxS	22	22 detected	View
Beverly Water Dept Beverly	MA3030000	PFPeAPFHxA	4	4 detected	View
Plymouth Water Department Plymouth	MA4239000	PFPeAPFBS	2	2 detected	View
Attleboro Water Dept Attleboro	MA4016000	PFPeAPFHxAPFOAPFOSPFHxS	9	9 detected	View
Weir River Water System Hingham	MA4131000	PFHxAPFOAPFPeAPFBAPFBS	17	17 detected	View
Salem Water Department Salem	MA3258000	PFPeAPFHxA	5	5 detected	View
Billerica Water Works Billerica	MA3031000	PFBSPFPeAPFOAPFBAPFHxA	12	12 detected	View
Fitchburg Dpw Division of Water Supply Fitchburg	MA2097000	PFHxAPFPeAPFOA	3	3 detected	View
Leominster Water Division Leominster	MA2153000	PFOA	1	1 detected	View
Dedham Westwood Water Dist. Dedham	MA3073000	PFOAPFOSPFPeAPFHxA	10	10 detected	View
Westfield Dpwwater Division Westfield	MA1329000	PFBA	1	1 detected	View
Woburn Water Dept. Woburn	MA3347000	PFBSPFHxAPFOSPFOAPFBA+1	9	9 detected	View
Braintree Water and Sewer Dept. Braintree	MA4040000	PFPeAPFOSPFHxAPFOAPFBS	17	17 detected	View
Yarmouth Water Department Yarmouth	MA4351000	PFPeAPFHxAPFHpAPFBAPFHxS	17	17 detected	View
Shrewsbury Water Department Shrewsbury	MA2271000	PFBSPFOAPFHxAPFPeAPFOS	6	6 detected	View
Natick Water and Sewer Division Natick	MA3198000	PFBSPFOSPFHxSPFOAPFPeA+1	17	17 detected	View
Mashpee Water District Mashpee	MA4172039	PFBA	1	1 detected	View
Andover Water Dept Andover	MA3009000	PFPeA	1	1 detected	View
Hyannis Water System, Town of Barnstable Barnstable	MA4020004	PFBAPFPeAPFHxA	9	9 detected	View
Randolph Water Department Randolph	MA4244000	PFPeAPFHxAPFOSPFOAPFBA+1	18	18 detected	View
Marshfield Water Department Marshfield	MA4171000	PFOAPFBSPFPeAPFBAPFHpA+2	35	35 detected	View
Abington/rockland Joint Wtr. Works Abington	MA4001000	PFHxAPFBAPFHpAPFOAPFOS+3	43	43 detected	View
Franklin Water Department Franklin	MA2101000	PFHxSPFBSPFOAPFOSPFHxA	12	12 detected	View
Needham Water Dept Needham	MA3199000	PFOAPFOS	3	3 detected	View
Tewksbury Water Department Tewksbury	MA3295000	PFOAPFHxAPFPeA	7	7 detected	View
Milford Water Department Milford	MA2185000	PFOAPFHxAPFPeAPFBSPFOS	11	11 detected	View
Wellesley Water Division Wellesley	MA3317000	PFOSPFHxAPFPeAPFOAPFBS+1	18	18 detected	View
Stoughton Water Department Stoughton	MA4285000	PFHxAPFPeAPFBSPFOAPFOS	13	13 detected	View
North Attleboro Water Dept North Attleborough	MA4211000	PFHxSPFHpAPFHxAPFOAPFOS+3	37	37 detected	View
Chelmsford Water District Chelmsford	MA3056000	PFHxAPFOAPFOSPFPeAPFBS	25	25 detected	View
Bridgewater Water Department Bridgewater	MA4042000	PFHpAPFBSPFOAPFHxAPFHxS+2	26	26 detected	View
Danvers Water Dept. Danvers	MA3071000	PFOS	1	1 detected	View
Wakefield Water Dept Wakefield	MA3305000	PFPeAPFHxAPFOA	4	4 detected	View
Burlington Water Dept Burlington	MA3048000	PFBA	2	2 detected	View
Dracut Water Supply District Dracut	MA3079000	PFOAPFBSPFPeA	7	7 detected	View
Dartmouth Water Division Dartmouth	MA4072000	PFHpAPFBAPFHxAPFPeAPFOS+2	8	8 detected	View
Walpole Water Dept Walpole	MA4307000	PFBAPFHpAPFOSPFOAPFHxA+1	14	14 detected	View
Oak Bluffs Water District Oak Bluffs	MA4221000	PFHxAPFPeA	4	4 detected	View
Mansfield Water Division Mansfield	MA4167000	PFBSPFOAPFHxSPFOS	5	5 detected	View
Easton Water Div Easton	MA4088000	PFHxAPFBSPFHxSPFOAPFPeA+1	15	15 detected	View
Bourne Water District Bourne	MA4036000	PFHxSPFOSPFPeA	3	3 detected	View
Wilmington Water Dept Wilmington	MA3342000	PFBAPFPeA	3	3 detected	View
Canton Water Dept Canton	MA4050000	PFOA4:2FTSPFHxAPFPeA	6	6 detected	View
Westborough Water Department Westborough	MA2328000	PFOAPFBSPFOS	4	4 detected	View
Acton Water Supply District Acton	MA2002000	PFHpAPFHxAPFBAPFPeAPFOA+3	47	47 detected	View
Newburyport Water Department Newburyport	MA3206000	PFBSPFOS	3	3 detected	View
Hudson Water Supply Hudson	MA2141000	PFBA	1	1 detected	View
Salisbury Water Division Salisbury	MA3259000	PFPeAPFBAPFOA	3	3 detected	View
Scituate Water Division Scituate	MA4264000	PFOAPFOSPFBSPFHxA	7	7 detected	View
Southbridge Water Department Southbridge	MA2278000	PFBA	2	2 detected	View
Norton Water Department Norton	MA4218000	PFHxSPFHxAPFBSPFHpAPFOA+2	14	14 detected	View
Ashland Water and Sewer Dept. Ashland	MA3014000	PFPeA	1	1 detected	View
Concord Water Dept Concord	MA3067000	PFHxAPFOAPFPeAPFBS	16	16 detected	View
Westford Water Department Westford	MA3330000	PFHxAPFOAPFBSPFPeAPFOS	16	16 detected	View
Foxboro Water Department Foxborough	MA4099000	PFBSPFOSPFOAPFPeAPFHxA	17	17 detected	View
Sudbury Water District Sudbury	MA3288000	PFPeAPFHxAPFBAPFBSPFOA+1	28	28 detected	View
Pembroke Water Division Dpw Pembroke	MA4231000	PFPeAPFHxA	6	6 detected	View
Holden Water Division, Dpw Holden	MA2134000	PFPeAPFHxAPFOAPFBSPFBA	14	14 detected	View
Webster Water Department Webster	MA2316000	PFHxAPFOAPFPeA	4	4 detected	View
Swansea Water District Swansea	MA4292000	PFHxSPFBSPFBAPFPeAPFOA+1	13	13 detected	View
Sharon Water Dept Sharon	MA4266000	PFHxAPFOAPFBSPFPeAPFHxS+1	26	26 detected	View
Duxbury Water Department Duxbury	MA4082000	PFOAPFHxSPFBAPFHpAPFOS+5	20	20 detected	View
North Reading Water Dept. North Reading	MA3213000	PFPeAPFHxAPFBA	6	6 detected	View
Bellingham Dpw Water Sewer Division Bellingham	MA2025000	PFBSPFOAPFOS	5	5 detected	View
Holliston Water Department Holliston	MA2136000	PFPeAPFBSPFOAPFHxAPFOS	13	13 detected	View
Middleborough Water Supply Middleborough	MA4182000	PFHpAPFOSPFHxSPFPeAPFOA+3	36	36 detected	View
Hanover Water Dept Hanover	MA4122000	PFOSPFPeAPFHxAPFOAPFBS+2	19	19 detected	View
Whitman Water System Whitman	MA4338000	PFBSPFBAPFHxAPFPeA	4	4 detected	View
Seekonk Water District Seekonk	MA4265000	PFOS	2	2 detected	View
East Bridgewater Water Dept East Bridgewater	MA4083000	PFOAPFHxAPFPeA	6	6 detected	View
Wayland Water Department Wayland	MA3315000	PFHpAPFOAPFOSPFPeAPFHxA+1	12	12 detected	View
Medway Water Department Medway	MA2177000	PFOAPFPeAPFBSPFHxA	8	8 detected	View
Ipswich Dpu Water Dept Ipswich	MA3144000	PFPeAPFOAPFHxAPFHpAPFBS+1	13	13 detected	View
North Adams Water Dept North Adams	MA1209000	PFOA	1	1 detected	View
Medfield Water Dept. Medfield	MA2175000	PFBSPFOSPFOAPFPeAPFHxA	10	10 detected	View
Hopkinton Water Department Hopkinton	MA2139000	PFBSPFBAPFPeAPFHxAPFOA	13	13 detected	View
Auburn Water District Auburn	MA2017000	PFOSPFOAPFPeAPFHxA	12	12 detected	View
Wrentham Water Division Wrentham	MA4350000	PFBSPFOAPFOSPFHxAPFPeA	8	8 detected	View
Uxbridge Dpw, Water Division Uxbridge	MA2304000	PFHxSPFOSPFBS	4	4 detected	View
Norwell Water Department Norwell	MA4219000	PFPeAPFHxAPFOAPFBSPFOS+2	24	24 detected	View
Holbrook Public Works Dept Holbrook	MA4133000	PFOAPFPeAPFBSPFOSPFHpA+2	20	20 detected	View
Aquarion Water Company, Millbury Millbury	MA2186000	PFHxAPFPeAPFBSPFOAPFOS+2	19	19 detected	View
Grafton Water District Grafton	MA2110000	PFOAPFBSPFPeAPFOSPFHxA	17	17 detected	View
Raynham Center Water District Raynham	MA4245000	PFBSPFHxAPFOAPFPeAPFBA+2	16	16 detected	View
Maynard Dpw, Water Division Maynard	MA2174000	PFOAPFPeAPFHxAPFOSPFBS	8	8 detected	View
Ware Water Dept Ware	MA1309000	PFOSPFHxAPFOAPFPeA	5	5 detected	View
Blackstone Water Department Blackstone	MA2032000	PFOA	1	1 detected	View
Kenwood Water District Dracut	MA3079001	PFHxAPFOAPFPeAPFBS	12	12 detected	View
Hanson Water Department Hanson	MA4123000	PFOSPFOA	3	3 detected	View
Pepperell Dpw Water Division Pepperell	MA2232000	PFOAPFOS	6	6 detected	View
Aquarion Water Company, Pinehills Plymouth	MA4239055	PFHxA	2	2 detected	View
Millis Water Dept Millis	MA2187000	PFOSPFPeAPFBSPFOAPFHxA	8	8 detected	View
Plainville Water Department Plainville	MA4238000	PFBSPFOSPFBAPFOA	14	14 detected	View
Lynnfield Center Water District Lynnfield	MA3164000	PFBAPFOAPFPeAPFHxA	7	7 detected	View
Ayer Dpw Water Division Ayer	MA2019000	PFPeAPFHxAPFBA	6	6 detected	View
West Bridgewater Water Dept West Bridgewater	MA4322000	PFPeAPFBAPFHxAPFOAPFBS	20	20 detected	View
Norfolk Water Division Norfolk	MA2208000	PFOAPFOSPFBSPFPeAPFHxA	10	10 detected	View
Cohasset Water Dept Cohasset	MA4065000	PFPeAPFBAPFOSPFOAPFHxA	6	6 detected	View
Halifax Water Department Halifax	MA4118000	PFOAPFHxSPFHxAPFPeA	5	5 detected	View
Hamilton Water Dept Hamilton	MA3119000	PFBSPFOSPFOAPFPeAPFHxA	11	11 detected	View
Aquarion Water Company Oxford Oxford	MA2226000	PFHxA	2	2 detected	View
Middleton Water Dept. Middleton	MA3184000	PFHpAPFBSPFOAPFPeAPFHxA	5	5 detected	View
Lunenburg Water District Lunenburg	MA2162000	PFOAPFHxAPFPeA	4	4 detected	View
Merrimac Water Department Merrimac	MA3180000	PFOA	2	2 detected	View
West Boylston Water District West Boylston	MA2321000	PFOAPFHxAPFPeA	8	8 detected	View
Sterling Water Department Sterling	MA2282000	PFOS	1	1 detected	View
Groveland Water Department Groveland	MA3116000	PFHxAPFPeAPFOAPFHpA	5	5 detected	View
Orange Water Dept Orange	MA1223000	PFNA	1	1 detected	View
Townsend Water Department Townsend	MA2299000	PFOAPFHxAPFPeA	6	6 detected	View
Devens Massdevelopment Ayer	MA2019001	PFBAPFPeA	3	3 detected	View
Rowley Water Department Rowley	MA3254000	6:2FTSPFPeAPFBAPFOSPFHxA+2	12	12 detected	View
Templeton Munic. Light and Water Plant Templeton	MA2294000	PFHxAPFPeAPFHpAPFOA	7	7 detected	View
Hopedale Water Department Hopedale	MA2138000	PFPeAPFHxAPFOAPFOS	10	10 detected	View
Lincoln Water Dept Lincoln	MA3157000	PFOSPFOAPFHxS	9	9 detected	View
Groton Water Department Groton	MA2115000	PFBS	1	1 detected	View
Topsfield Water Department Topsfield	MA3298000	PFBSPFPeAPFHxAPFOSPFOA	10	10 detected	View
Barnstable Fire District Barnstable	MA4020000	PFHxSPFOSPFBSPFHxAPFPeA+1	11	11 detected	View
Onset Fire Districtwater Dept. Wareham	MA4310003	PFOS	1	1 detected	View
Dighton Water District Dighton	MA4076000	PFOAPFHxAPFPeAPFOS	5	5 detected	View
Manchester by the Sea Dpw Manchester	MA3166000	PFOAPFPeAPFOSPFHpAPFBS+1	14	14 detected	View
Town of Avon Avon	MA4018000	PFOAPFOS	4	4 detected	View
North Sagamore Water District Bourne	MA4036002	PFHxAPFPeA	2	2 detected	View
Tyngsborough Water District Tyngsborough	MA3301000	PFHxAPFOAPFPeA	4	4 detected	View
Paxton Water Department Paxton	MA2228000	PFHxAPFPeAPFBA	7	7 detected	View
Shirley Water District Shirley	MA2270000	PFBSPFHxAPFOAPFPeAPFHpA	7	7 detected	View
Wenham Water Dept. Wenham	MA3320000	PFOSPFPeAPFBSPFOAPFHxA	10	10 detected	View
North Raynham Water District Raynham	MA4245002	PFPeA	1	1 detected	View
Cherry Valley/ Rochdale Water District Leicester	MA2151001	PFHxAPFPeA	4	4 detected	View
Mci Shirley Shirley	MA2270001	PFHxS	2	2 detected	View
Boylston Water District Boylston	MA2039000	PFBSPFOA	2	2 detected	View
Hatfield Water Dept Hatfield	MA1127000	PFHxAPFPeAPFBAPFBS	15	15 detected	View

Source: EPA UCMR 5 Occurrence Data · Methodology

All states Massachusetts utility directory