Official PFAS Records

Pennsylvania PFAS Watchlist

Official EPA UCMR 5 PFAS monitoring records for public water systems in Pennsylvania. 159 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

Pennsylvania PFAS dataset — for journalists & researchers

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

View Pennsylvania PFAS data →

159

Systems with records

3,253

Total records

3,253

Official detections

Water System	PWSID	Analytes in records	Records	Detections
Philadelphia Water Department Philadelphia	PA1510001	PFPeAPFHxAPFOAPFHpAPFBS+3	50	50 detected	View
Aqua Pa Main System	PA1460073	PFHxAPFBSPFPeAPFOAPFNA+4	225	225 detected	View
Chester Water Authority	PA1230004	PFBSPFHxAPFPeAPFOA	13	13 detected	View
Pa Amer Water Co Lake Scranton Scranton	PA2359008	PFOSPFBSPFPeAPFOAPFHxA	12	12 detected	View
City of Lancaster Lancaster	PA7360058	PFBSPFOAPFHpAPFBAPFHxA+1	23	23 detected	View
Lca Allentown Division Allentown	PA3390024	PFPeAPFHxAPFOSPFBS	14	14 detected	View
Veolia Water	PA7220015	PFBSPFHxAPFPeA	7	7 detected	View
Pa American Water Co West	PA7210029	PFOSPFPeAPFBSPFOA	6	6 detected	View
Reading Area Water Authority Reading	PA3060059	PFBSPFPeAPFOAPFHxAPFHpA	17	17 detected	View
North Penn Water Authority	PA1460034	PFBSPFOAPFPeA	13	13 detected	View
Pa American Norristown	PA1460046	PFPeAPFBSPFHxAPFBA	8	8 detected	View
North Wales Water Authority	PA1460048	PFHxAPFOSPFPeAPFBSPFOA+4	68	68 detected	View
Aqua Pa Bensalem	PA1090078	PFBAPFHxAPFHxSPFPeAPFOS+3	33	33 detected	View
Bcwsa Main Lower South	PA1090079	PFHxAPFPeAPFHxSPFOSPFBS+3	39	39 detected	View
Williamsport Mun Water Auth	PA4410173	PFNAPFOSPFHxSPFPeAPFHxA	8	8 detected	View
Pa Amer Water Co	PA7220017	PFHxAPFBSPFPeAPFBAPFOA	10	10 detected	View
Pa American Royersford	PA1150166	PFHxAPFPeAPFBSPFBAPFOS+3	31	31 detected	View
Beaver Falls Muni Auth	PA5040012	PFPeAPFHxAPFBSPFBAPFOA+1	12	12 detected	View
Aqua Pa West Chester	PA1150098	PFBAPFBSPFHxAPFPeAPFOA	19	19 detected	View
Monroeville Municipal Auth	PA5020027	6:2FTS	1	1 detected	View
Aqua Pa Shenango Valley Wtp	PA6430054	PFBA	1	1 detected	View
Lca Wlsa Central Division	PA3390073	PFPeAPFBSPFOAPFHxAPFHxS	19	19 detected	View
Veolia Mechanicsburg	PA7210028	PFHxAPFOSPFOAPFPeAPFBS+1	17	17 detected	View
Pa Amer Water Co New Castle	PA6370034	PFHxAPFPeAPFBA	5	5 detected	View
Hanover Muni Water Works	PA7670076	PFPeA	2	2 detected	View
Newtown Artesian Water Co	PA1090043	PFOAPFBSPFHpAPFOSPFHxA+1	29	29 detected	View
Moon Twp Muni Auth	PA5020011	PFHxSPFHxAPFOS	9	9 detected	View
Pa American Coatesville	PA1150106	PFPeAPFBA	2	2 detected	View
Northampton Bucks Co Mun Auth	PA1090089	PFOAPFBSPFHpAPFHxSPFOS+4	166	166 detected	View
Pottstown Borough Water Auth	PA1460037	PFPeAPFBSPFBAPFHxA	9	9 detected	View
Warminster Municipal Authority	PA1090069	PFBAPFPeA	8	8 detected	View
Aqua Pa Uwchlan	PA1150035	PFHxAPFBSPFPeAPFOAPFOS+1	45	45 detected	View
Pa American Water Co Yardley	PA1090074	PFBAPFOAPFPeAPFHpAPFOS+2	22	22 detected	View
Aqua Pa Bristol	PA1090001	PFHxAPFPeAPFOA	5	5 detected	View
Paw Penn District	PA3060069	PFOAPFBSPFHxAPFPeAPFBA+3	55	55 detected	View
Horsham Water&sewer Authority	PA1460033	PFPeAPFHxSPFOSPFOAPFHpA+3	23	23 detected	View
Carlisle Water Trmt Plt	PA7210002	PFPeAPFOSPFOAPFHxAPFBS+1	11	11 detected	View
Paw Glen Alsace Div	PA3060088	PFHxAPFPeAPFOAPFBSPFOS+2	67	67 detected	View
Ephrata Area Joint Authority	PA7360045	PFHxAPFBSPFPeAPFOAPFHxS+1	24	24 detected	View
Falls Twp Water & Sewer Dept	PA1090022	PFPeAPFHxA	3	3 detected	View
Nwwa Warrington Township	PA1090070	PFBA	2	2 detected	View
Dover Twp Water Sys	PA7670073	PFBSPFOSPFOAPFPeAPFHxA+1	41	41 detected	View
Muhlenberg Twp Muni Auth	PA3060038	PFPeAPFHxSPFOSPFBSPFHxA+4	34	34 detected	View
East Hempfield Water Auth	PA7360063	PFBSPFOSPFPeAPFOAPFHxA	7	7 detected	View
Ambler Boro Water Dept	PA1460020	PFHpAPFBAPFPeAPFHxAPFBS+5	132	132 detected	View
Western Allegheny County Mun a	PA5020034	PFHxSPFOS	3	3 detected	View
Elizabethtown Area Water	PA7360124	PFBSPFPeAPFHxAPFOSPFBA	17	17 detected	View
Pawc Pocono District	PA2450063	PFOSPFOAPFPeAPFBSPFHxA	17	17 detected	View
Pa Amer Water Co Ellwood Cty	PA6370011	PFPeAPFBAPFBSPFHxA	12	12 detected	View
Phoenixville Water Dept	PA1150077	PFBAPFBSPFPeAPFOAPFHxA+2	19	19 detected	View
Upper Southampton Mun Auth	PA1090063	PFHpAPFHxAPFOAPFOSPFHxS+3	32	32 detected	View
Highridge Water Auth	PA5650069	PFHxSPFHxAPFOAPFOSPFPeA+1	6	6 detected	View
Mun Water Auth of Aliquippa	PA5040006	PFBA	1	1 detected	View
Pa American Water Berwick	PA4190013	PFPeAPFOAPFHxAPFBSPFHpA+2	12	12 detected	View
Mt Joy Boro Auth	PA7360091	PFPeA	1	1 detected	View
Perkasie Regional Authority	PA1090046	PFHxSPFOAPFOSPFBS	12	12 detected	View
Warwick Twp Water & Sewer Auth	PA1090127	PFHxSPFPeAPFHxAPFOAPFBS+3	29	29 detected	View
Swt Main System	PA3390065	PFHxAPFPeAPFOA	25	25 detected	View
Emmaus Borough Public Water	PA3390032	PFHpAPFUnAPFBAPFPeA8:2FTS+8	62	62 detected	View
Clearfield Municipal Auth	PA6170008	PFBA	4	4 detected	View
Morrisville Munic Authority	PA1090037	PFPeA	1	1 detected	View
Shillington Muni Auth	PA3060067	PFPeAPFBSPFBA	24	24 detected	View
Whitehall Twp Authority	PA3390081	PFHxSPFOSPFOAPFHxAPFPeA+3	23	23 detected	View
Aqua Pa Hatboro	PA1460028	PFPeAPFHxSPFBSPFOSPFOA+3	47	47 detected	View
Quakertown Boro	PA1090082	PFHxSPFNAPFOAPFPeAPFOS+3	47	47 detected	View
Bear Valley Joint Auth	PA7280043	6:2FTS	1	1 detected	View
Gettysburg Muni Auth	PA7010019	PFBSPFOSPFPeAPFHxAPFOA	16	16 detected	View
South Middleton Twp Water Auth	PA7210050	PFBS	1	1 detected	View
Aqua Pa Superior Main System	PA1460085	PFPeAPFBSPFOSPFOAPFHxA+1	35	35 detected	View
Mt Penn Boro Muni Auth	PA3060082	PFOSPFNA	4	4 detected	View
West Manchester Twp Auth	PA7670101	PFOSPFBS	4	4 detected	View
Downingtown Water Authority	PA1150026	PFOAPFHxAPFPeAPFBS	6	6 detected	View
Paw Crystal Lake	PA2409003	PFBA	1	1 detected	View
Veolia Middletown	PA7220038	PFOSPFOAPFBSPFPeAPFHxA+3	56	56 detected	View
Aqua Shenandoah	PA3540044	PFBA	1	1 detected	View
Lititz Boro	PA7360126	PFBS	3	3 detected	View
General Authority of Franklin	PA6610020	PFBS	1	1 detected	View
Dillsburg Area Authority	PA7670071	PFBSPFHxSPFOSPFOA	6	6 detected	View
Aqua Pa Friendship	PA1150137	PFHxAPFBAPFOAPFBSPFPeA+3	54	54 detected	View
Doylestown Boro Water Dept	PA1090081	PFHxSPFBSPFOSPFPeAPFHxA+5	72	72 detected	View
Dtma Main System	PA1090128	PFOAPFBSPFOSPFHxAPFHpA+3	88	88 detected	View
Warwick Twp Lititz Sys	PA7360116	PFBSPFHxAPFPeA	7	7 detected	View
Salisbury Twp Water System	PA3390062	PFOSPFHxAPFOAPFBSPFPeA	12	12 detected	View
Wyomissing Boro Water System	PA3060083	PFBSPFPeAPFHxAPFOAPFBA	12	12 detected	View
New Holland Borough	PA7360099	PFHpAPFBSPFPeAPFHxSPFOA+2	34	34 detected	View
Collegeville Trappe Joint Pwd	PA1460022	PFBAPFHxAPFPeAPFBSPFHpA+3	83	83 detected	View
N Middleton Water Auth	PA7210049	PFOSPFHxSPFBSPFPeAPFHxA+1	8	8 detected	View
Pa American Audubon	PA1460055	PFBSPFHxAPFOAPFOSPFHxS+4	84	84 detected	View
Aqua Pa Spring Run	PA1150089	PFPeAPFBSPFOAPFHxAPFBA+4	36	36 detected	View
Millersville Univ	PA7360127	PFPeAPFBSPFOSPFHxAPFOA+2	12	12 detected	View
Brighton Twp Muni Auth	PA5040017	PFBSPFPeAPFHxAPFHxS	8	8 detected	View
Veolia Water Bethel	PA1230012	PFBAPFBSPFPeAPFHxAPFOA+2	47	47 detected	View
Conemaugh Twp Muni Auth	PA4560048	PFBA	2	2 detected	View
Upper Leacock Township	PA7360140	PFHxSPFOSPFOAPFHxAPFBA+3	39	39 detected	View
Telford Borough Authority	PA1460050	PFBAPFBSPFHxAPFHpAPFHxS+4	81	81 detected	View
Wernersville Muni Water Auth	PA3060076	PFPeAPFHxAPFBSPFOA	14	14 detected	View
Veolia Water Pa Dallas	PA2400076	PFOSPFHxAPFOAPFPeAPFHxS	17	17 detected	View
Maidencreek Twp Water Auth	PA3060012	PFPeAPFHxA	2	2 detected	View
Upper Saucon Twp Water Supply	PA3390077	PFBA	1	1 detected	View
Littlestown Boro	PA7010022	PFPeAPFBSPFHxAPFOAPFOS+1	17	17 detected	View
Palmerton Municipal Authority	PA3130012	PFHxAPFPeAPFHpAPFOAPFOS+3	16	16 detected	View
Richland Twp Water Authority	PA1090131	PFPeAPFBAPFHxAPFOAPFOS+2	31	31 detected	View
Sewickley Boro Water Auth	PA5020050	PFBAPFPeAPFBSPFHxSPFHxA	10	10 detected	View
East Cocalico Township	PA7360113	PFOSPFBSPFPeAPFOAPFHxA	14	14 detected	View
Manheim Area Water & Sewer Aut	PA7360078	PFBSPFOSPFOAPFBAPFPeA+1	21	21 detected	View
Harmony Boro Water Auth	PA5100042	PFBA	1	1 detected	View
Catasauqua Mun Water Works	PA3390044	PFHxSPFBS	3	3 detected	View
Aqua Pa Fawn Lake Forest	PA2520037	PFPeA	1	1 detected	View
Monaca Boro Water Dept	PA5040039	PFHxSPFBS	4	4 detected	View
Derry Boro Muni Auth	PA5650049	PFBS	4	4 detected	View
Veolia Newberry System	PA7670061	PFBAPFHxAPFPeAPFHxSPFBS+3	26	26 detected	View
Kennett Square Mun Water Works	PA1150108	PFOSPFPeAPFBAPFOAPFHpA+3	27	27 detected	View
Brookville Municipal Auth	PA6330004	PFBA	1	1 detected	View
East Petersburg Borough	PA7360135	PFBSPFHxAPFHpAPFOSPFOA+2	34	34 detected	View
Titusville Municipal Water	PA6200051	PFOS	2	2 detected	View
College Twp Water Authority	PA4140082	PFPeAPFHxA	3	3 detected	View
Aqua Pa Chalfont	PA1090005	PFOAPFBSPFOSPFHxAPFPeA+3	24	24 detected	View
Coraopolis Water & Sewer Auth	PA5020010	PFOAPFPeAPFOSPFBAPFHxS+2	18	18 detected	View
Beaver Boro Muni Auth	PA5040009	PFBAPFBSPFPeAPFHxAPFOS+3	16	16 detected	View
Hilltown Twp Water&sewer Auth	PA1090117	PFOSPFOAPFHxAPFPeAPFBS	10	10 detected	View
Paw Frackville	PA3540032	PFHxSPFNAPFOSPFUnA	4	4 detected	View
Tunkhannock Boro Munic Auth	PA2660014	PFOAPFPeAPFHxAPFOS	7	7 detected	View
Oxford Borough	PA1150066	PFPeAPFBSPFOAPFHxAPFBA	12	12 detected	View
Stewartstown Boro Water Auth	PA7670062	PFPeAPFHxAPFOAPFBSPFOS	24	24 detected	View
Schwenksville Borough Auth	PA1460042	PFBSPFOSPFOA	14	14 detected	View
Aqua Pa Flying Hills Wa Sys	PA3060018	PFOSPFBSPFOAPFPeA	7	7 detected	View
Sharpsville Boro Water Co	PA6430055	PFBA	1	1 detected	View
Danville Municipal Water Auth	PA4470007	PFPeAPFHxA	2	2 detected	View
Montoursville Water Company	PA4410175	PFHxAPFOSPFPeAPFOAPFHxS	5	5 detected	View
London Grove Twp Mun Auth	PA1150165	PFHxAPFPeAPFBSPFBA	6	6 detected	View
Buckingham Twp Cold Spring	PA1090137	PFBAPFPeAPFHxAPFOAPFBS+2	26	26 detected	View
Shrewsbury Borough	PA7670088	PFHxAPFPeAPFHpAPFBSPFHxS+3	40	40 detected	View
Fawn Frazer Jt Water Auth	PA5020076	PFBA	2	2 detected	View
Freeland Boro Muni Water Auth	PA2400054	PFOAPFOSPFPeAPFBSPFHxA	12	12 detected	View
Upper Hanover Water Authority	PA1460036	PFOAPFOSPFNAPFHxS	4	4 detected	View
Millersburg Water Auth	PA7220034	PFOSPFHxSPFBSPFOA	8	8 detected	View
North Sewickley Mun Water Auth	PA5040010	PFHxAPFBAPFPeAPFBS	17	17 detected	View
Milford Twp Water Authority	PA1090125	PFBSPFHxS	3	3 detected	View
New Freedom Boro Water Auth	PA7670082	PFPeAPFBSPFHxAPFHpAPFNA	14	14 detected	View
West Earl Water Authority	PA7360143	PFPeA	1	1 detected	View
West Reading Boro Water Reading	PA3060078	PFPeAPFBSPFOAPFHxA	11	11 detected	View
New Sewickley Twp Muni Auth	PA5040085	PFHxAPFBSPFPeAPFBA	11	11 detected	View
Caernarvon Twp Auth	PA3060052	PFBSPFHpAPFHxAPFBAPFOA+1	14	14 detected	View
Akron Borough	PA7360128	PFPeAPFBSPFHpAPFHxAPFBA+2	14	14 detected	View
Ashland Area Water Authority	PA3540030	PFOSPFHxS	6	6 detected	View
Zelienople Boro	PA5100093	PFBSPFHxAPFOAPFBAPFPeA	9	9 detected	View
East Donegal	PA7360083	PFBSPFPeA	3	3 detected	View
New Oxford Munci Auth	PA7010025	PFHxAPFBSPFPeAPFBAPFOS+1	13	13 detected	View
Denver Boro	PA7360017	PFBSPFPeA	3	3 detected	View
Masonic Homes	PA7360025	PFOAPFHxAPFBS	3	3 detected	View
Aqua Pa Perkiomen Township	PA1460069	PFBSPFOAPFOSPFPeAPFHxA+2	35	35 detected	View
State Correctional Inst	PA7210046	PFPeAPFBSPFOSPFHxA	13	13 detected	View
Springdale Boro Water Dept	PA5020053	PFBS	2	2 detected	View
Spring Twp Water Authority	PA4140118	PFHxS	4	4 detected	View
Nanty Glo Water Auth	PA4110023	PFBA	1	1 detected	View
Lca North Whitehall Division	PA3390055	PFBS	1	1 detected	View
State Corr Inst Benner Twp	PA4140098	PFOS	2	2 detected	View
Plumstead Northern System	PA1090144	PFBSPFOSPFOAPFHxAPFPeA+1	23	23 detected	View
Eei Meadows Complex	PA2400115	PFOSPFBS	4	4 detected	View

Source: EPA UCMR 5 Occurrence Data · Methodology

All states Pennsylvania utility directory