PFAS in Pennsylvania Water

Based on EPA UCMR 5 testing of 225 public water systems in Pennsylvania.

See Pennsylvania on the national heatmap

225

Systems Tested

225

With PFAS Detected

119

Above EPA Limits

53%

Exceed MCL

Most Commonly Detected PFAS in Pennsylvania

Systems with detections · EPA UCMR 5 (2023–2025)

PFPeA 128 systems

PFBS 121 systems

lithium 117 systems

PFHxA 111 systems

PFOA 102 systems

PFOS 97 systems

Check your Pennsylvania ZIP code

Get specific results for your neighborhood's water utility.

Water Systems in Pennsylvania (225)

Water System ↕	PWSID	PFAS Detected ↕	Above MCL ↕	Risk
EMMAUS BOROUGH PUBLIC WATER Groundwater	PA3390032	13	4	High Risk
PALMERTON MUNICIPAL AUTHORITY Groundwater	PA3130012	8	4	High Risk
AMBLER BORO WATER DEPT Groundwater	PA1460020	11	3	High Risk
AQUA PA MAIN SYSTEM Surface Water	PA1460073	10	3	High Risk
QUAKERTOWN BORO Groundwater	PA1090082	9	3	High Risk
HORSHAM WATER&SEWER AUTHORITY Surface Water	PA1460033	9	3	High Risk
PAW PENN DISTRICT Groundwater	PA3060069	9	3	High Risk
BEAVER BORO MUNI AUTH Groundwater	PA5040009	9	3	High Risk
CORAOPOLIS WATER & SEWER AUTH Surface Water	PA5020010	7	3	High Risk
LEHMAN JACKSON ELEMENTARY Groundwater	PA2400370	4	3	High Risk
DOYLESTOWN BORO WATER DEPT Groundwater	PA1090081	10	2	High Risk
NORTHAMPTON BUCKS CO MUN AUTH Groundwater	PA1090089	10	2	High Risk
NORTH WALES WATER AUTHORITY Groundwater	PA1460048	10	2	High Risk
TELFORD BOROUGH AUTHORITY Surface Water	PA1460050	10	2	High Risk
AUDUBON WATER COMPANY Groundwater	PA1460055	10	2	High Risk
MUHLENBERG TWP MUNI AUTH Groundwater	PA3060038	10	2	High Risk
AQUA PA CHALFONT Groundwater	PA1090005	9	2	High Risk
DTMA MAIN SYSTEM Groundwater	PA1090128	9	2	High Risk
AQUA PA SPRING RUN Surface Water	PA1150089	9	2	High Risk
PA AMERICAN ROYERSFORD Groundwater	PA1150166	9	2	High Risk
COLLEGEVILLE TRAPPE JOINT PWD Groundwater	PA1460022	9	2	High Risk
SUEZ MIDDLETOWN Groundwater	PA7220038	9	2	High Risk
UPPER LEACOCK TOWNSHIP Surface Water	PA7360140	9	2	High Risk
SUEZ NEWBERRY SYSTEM Groundwater	PA7670061	9	2	High Risk
UPPER SOUTHAMPTON MUN AUTH Surface Water	PA1090063	8	2	High Risk
AQUA PA BENSALEM Surface Water	PA1090078	8	2	High Risk
BCWSA MAIN LOWER SOUTH MX	PA1090079	8	2	High Risk
WARWICK TWP WATER & SEWER AUTH Surface Water	PA1090127	8	2	High Risk
RICHLAND TWP WATER AUTHORITY Groundwater	PA1090131	8	2	High Risk
JAMIE HOLLANDERS Groundwater	PA1090329	8	2	High Risk
KENNETT SQUARE MUN WATER WORKS Surface Water	PA1150108	8	2	High Risk
AQUA PA FRIENDSHIP Surface Water	PA1150137	8	2	High Risk
AQUA PA HATBORO MX	PA1460028	8	2	High Risk
AQUA PA PERKIOMEN TOWNSHIP Groundwater	PA1460069	8	2	High Risk
PHILADELPHIA WATER DEPARTMENT Surface Water	PA1510001	8	2	High Risk
PAW GLEN ALSACE DIV Groundwater	PA3060088	8	2	High Risk
WHITEHALL TWP AUTHORITY Groundwater	PA3390081	8	2	High Risk
NEW HOLLAND BOROUGH Groundwater	PA7360099	8	2	High Risk
AKRON BOROUGH Groundwater	PA7360128	8	2	High Risk
SHREWSBURY BOROUGH Groundwater	PA7670088	8	2	High Risk
PA AMERICAN WATER CO YARDLEY Groundwater	PA1090074	7	2	High Risk
BUCKINGHAM TWP COLD SPRING Groundwater	PA1090137	7	2	High Risk
PLUMSTEAD NORTHERN SYSTEM Groundwater	PA1090144	7	2	High Risk
PHOENIXVILLE WATER DEPT Surface Water	PA1150077	7	2	High Risk
AQUA PA SUPERIOR MAIN SYSTEM Surface Water	PA1460085	7	2	High Risk
NEW OXFORD MUNCI AUTH Groundwater	PA7010025	7	2	High Risk
EPHRATA AREA JOINT AUTHORITY Groundwater	PA7360045	7	2	High Risk
MILLERSVILLE UNIV Groundwater	PA7360127	7	2	High Risk
EAST PETERSBURG BOROUGH Groundwater	PA7360135	7	2	High Risk
DOVER TWP WATER SYS Groundwater	PA7670073	7	2	High Risk
NEWTOWN ARTESIAN WATER CO Surface Water	PA1090043	6	2	High Risk
HILLTOWN TWP WATER&SEWER AUTH Groundwater	PA1090117	6	2	High Risk
AQUA PA UWCHLAN MX	PA1150035	6	2	High Risk
PA AMER WATER CO LAKE SCRANTON Groundwater	PA2359008	6	2	High Risk
SUEZ WATER PA DALLAS Groundwater	PA2400076	6	2	High Risk
PAWC POCONO DISTRICT Groundwater	PA2450063	6	2	High Risk
HIGHRIDGE WATER AUTH Surface Water	PA5650069	6	2	High Risk
GETTYSBURG MUNI AUTH Groundwater	PA7010019	6	2	High Risk
LITTLESTOWN BORO Groundwater	PA7010022	6	2	High Risk
CARLISLE WATER TRMT PLT Surface Water	PA7210002	6	2	High Risk
SUEZ MECHANICSBURG Groundwater	PA7210028	6	2	High Risk
N MIDDLETON WATER AUTH Surface Water	PA7210049	6	2	High Risk
MANHEIM AREA WATER & SEWER AUT GU	PA7360078	6	2	High Risk
EAST COCALICO TOWNSHIP Groundwater	PA7360113	6	2	High Risk
PERKASIE REGIONAL AUTHORITY Groundwater	PA1090046	5	2	High Risk
UPPER HANOVER WATER AUTHORITY Groundwater	PA1460036	5	2	High Risk
FREELAND BORO MUNI WATER AUTH Groundwater	PA2400054	5	2	High Risk
TUNKHANNOCK BORO MUNIC AUTH Groundwater	PA2660014	5	2	High Risk
SALISBURY TWP WATER SYSTEM Surface Water	PA3390062	5	2	High Risk
MONTOURSVILLE WATER COMPANY Groundwater	PA4410175	5	2	High Risk
OUTLET SHOPS AT GETTYSBURG Groundwater	PA7010952	5	2	High Risk
MILLERSBURG WATER AUTH Groundwater	PA7220034	5	2	High Risk
EAST HEMPFIELD WATER AUTH Groundwater	PA7360063	5	2	High Risk
STEWARTSTOWN BORO WATER AUTH Groundwater	PA7670062	5	2	High Risk
SCHWENKSVILLE BOROUGH AUTH Groundwater	PA1460042	4	2	High Risk
AQUA PA FLYING HILLS WA SYS Groundwater	PA3060018	4	2	High Risk
PA AMERICAN WATER CO WEST Surface Water	PA7210029	4	2	High Risk
DILLSBURG AREA AUTHORITY Groundwater	PA7670071	4	2	High Risk
SUEZ WATER PA BETHEL Surface Water	PA1230012	7	1	High Risk
PA AMERICAN WATER BERWICK Groundwater	PA4190013	7	1	High Risk
EAGLE LAKE COMMUNITY ASSOC Groundwater	PA2350833	6	1	High Risk
CAERNARVON TWP AUTH Groundwater	PA3060052	6	1	High Risk
BEAVER FALLS MUNI AUTH Surface Water	PA5040012	6	1	High Risk
PA AMER WATER CO Surface Water	PA7220017	6	1	High Risk
CITY OF LANCASTER, PA Surface Water	PA7360058	6	1	High Risk
ELIZABETHTOWN AREA WATER Groundwater	PA7360124	6	1	High Risk
OXFORD BOROUGH Surface Water	PA1150066	5	1	High Risk
AQUA PA WEST CHESTER Groundwater	PA1150098	5	1	High Risk
RADISSON VALLEY FORGE HOTEL Groundwater	PA1460492	5	1	High Risk
READING AREA WATER AUTHORITY Surface Water	PA3060059	5	1	High Risk
WYOMISSING BORO WATER SYSTEM Surface Water	PA3060083	5	1	High Risk
LCA WLSA CENTRAL DIVISION Surface Water	PA3390073	5	1	High Risk
WILLIAMSPORT MUN WATER AUTH MX	PA4410173	5	1	High Risk
ZELIENOPLE BORO Surface Water	PA5100093	5	1	High Risk
DOWNINGTOWN WATER AUTHORITY Surface Water	PA1150026	4	1	High Risk
CHESTER WATER AUTHORITY Surface Water	PA1230004	4	1	High Risk
NORTH PENN WATER AUTHORITY Groundwater	PA1460034	4	1	High Risk
WERNERSVILLE MUNI WATER AUTH Surface Water	PA3060076	4	1	High Risk
WEST READING BORO WATER Surface Water	PA3060078	4	1	High Risk
LCA ALLENTOWN DIVISION Surface Water	PA3390024	4	1	High Risk
PA AM WATER CO-FRACKVILLE DIST Groundwater	PA3540032	4	1	High Risk
BRIGHTON TWP MUNI AUTH Groundwater	PA5040017	4	1	High Risk
STATE CORRECTIONAL INST Surface Water	PA7210046	4	1	High Risk
MASONIC HOMES Groundwater	PA7360025	4	1	High Risk
MT HOPE EST & WINERY Groundwater	PA7360320	4	1	High Risk
AQUA PA BRISTOL Surface Water	PA1090001	3	1	High Risk
EEI MEADOWS COMPLEX Groundwater	PA2400115	3	1	High Risk
MT PENN BORO MUNI AUTH Groundwater	PA3060082	3	1	High Risk
MOON TWP MUNI AUTH MX	PA5020011	3	1	High Risk
WESTERN ALLEGHENY COUNTY MUN A Surface Water	PA5020034	3	1	High Risk
PITTSBURGH INTL AIRPORT Surface Water	PA5020947	3	1	High Risk
WEST MANCHESTER TWP AUTH Groundwater	PA7670101	3	1	High Risk
ASHLAND AREA WATER AUTHORITY Surface Water	PA3540030	2	1	High Risk
MONACA BORO WATER DEPT Groundwater	PA5040039	2	1	High Risk
MANHEIM AUTO AUCTION Groundwater	PA7360345	2	1	High Risk
BUCKS COUNTY COMMUNITY COLLEGE Groundwater	PA1090962	1	1	High Risk
PARADISE STREAM RESORT WELL 2 Groundwater	PA2450542	1	1	High Risk
ROCKVIEW GU	PA4140098	1	1	High Risk
TITUSVILLE MUNICIPAL WATER Groundwater	PA6200051	1	1	High Risk
POTTSTOWN BOROUGH WATER AUTH Surface Water	PA1460037	5	0	Moderate
PA AMERICAN NORRISTOWN Surface Water	PA1460046	5	0	Moderate
SEWICKLEY BORO WATER AUTH Groundwater	PA5020050	5	0	Moderate
PA AMER WATER CO ELLWOOD CTY Surface Water	PA6370011	5	0	Moderate
NEW FREEDOM BORO WATER AUTH Groundwater	PA7670082	5	0	Moderate
LONDON GROVE TWP MUN AUTH Surface Water	PA1150165	4	0	Low Level
NORTH SEWICKLEY MUN WATER AUTH Surface Water	PA5040010	4	0	Low Level
NEW SEWICKLEY TWP MUNI AUTH Surface Water	PA5040085	4	0	Low Level
MILFORD TWP WATER AUTHORITY Groundwater	PA1090125	3	0	Low Level
MAIDENCREEK TWP WATER AUTH Groundwater	PA3060012	3	0	Low Level
SHILLINGTON MUNI AUTH Surface Water	PA3060067	3	0	Low Level
BLUE MTN COOP TILDEN IND PARK Groundwater	PA3061067	3	0	Low Level
SWT MAIN SYSTEM Surface Water	PA3390065	3	0	Low Level
PA AMER WATER CO NEW CASTLE Surface Water	PA6370034	3	0	Low Level
SUEZ WATER PA Surface Water	PA7220015	3	0	Low Level
DENVER BORO Surface Water	PA7360017	3	0	Low Level
EAST DONEGAL TWP MUNICIPAL AUT Groundwater	PA7360083	3	0	Low Level
WARWICK TWP LITITZ SYS GU	PA7360116	3	0	Low Level
FALLS TWP WATER & SEWER DEPT Surface Water	PA1090022	2	0	Low Level
WARMINSTER MUNICIPAL AUTHORITY Groundwater	PA1090069	2	0	Low Level
NWWA WARRINGTON TOWNSHIP Surface Water	PA1090070	2	0	Low Level
PA AMERICAN COATESVILLE Surface Water	PA1150106	2	0	Low Level
MERCK AND CO INC Surface Water	PA1461065	2	0	Low Level
HUMBOLDT INDUSTRIAL PARK Groundwater	PA2400806	2	0	Low Level
AQUA PA FAWN LAKE FOREST Groundwater	PA2520037	2	0	Low Level
CATASAUQUA MUN WATER WORKS Groundwater	PA3390044	2	0	Low Level
COLLEGE TWP. WATER AUTHORITY Groundwater	PA4140082	2	0	Low Level
DANVILLE MUNICIPAL WATER AUTH Surface Water	PA4470007	2	0	Low Level
CLEARFIELD MUNICIPAL AUTH MX	PA6170008	2	0	Low Level
BROOKVILLE MUNICIPAL AUTH Surface Water	PA6330004	2	0	Low Level
BEAR VALLEY JOINT AUTH Surface Water	PA7280043	2	0	Low Level
MORRISVILLE MUNIC AUTHORITY Surface Water	PA1090037	1	0	Low Level
PAW CRYSTAL LAKE Surface Water	PA2409003	1	0	Low Level
BUCK HILL FALLS WATER CO Groundwater	PA2450020	1	0	Low Level
E STROUDSBURG BORO WATER DEPT Groundwater	PA2450023	1	0	Low Level
PENN ESTATES UTILITIES INCORP Groundwater	PA2450065	1	0	Low Level
MT AIRY CASINO & RESORT Groundwater	PA2450677	1	0	Low Level
HEMLOCK FARMS (MAIN) Groundwater	PA2520033	1	0	Low Level
PAWC SAW CREEK ESTATES Groundwater	PA2520062	1	0	Low Level
SHOHOLA FALLS TRAILS END SYS#2 Groundwater	PA2520941	1	0	Low Level
CABOT OIL AND GAS Groundwater	PA2580558	1	0	Low Level
WELLSBORO MUNICIPAL AUTHORITY Surface Water	PA2590042	1	0	Low Level
AQUA PA WATER CO HONESDALE Groundwater	PA2640018	1	0	Low Level
ROAMINGWOOD SEWER AND WATER Groundwater	PA2640025	1	0	Low Level
MESHOPPEN BOROUGH WATER CO Groundwater	PA2660010	1	0	Low Level
WOMELSDORF ROBESONIA JT AUTH Groundwater	PA3060080	1	0	Low Level
EAST PENN MFG CO Groundwater	PA3060681	1	0	Low Level
CARBON PLAZA MALL Groundwater	PA3130308	1	0	Low Level
SLATINGTON BOROUGH WATER SYS Surface Water	PA3390039	1	0	Low Level
LCA NORTH WHITEHALL DIVISION Surface Water	PA3390055	1	0	Low Level
UPPER SAUCON TWP WATER SUPPLY Surface Water	PA3390077	1	0	Low Level
HICKORY HILLS MHC Groundwater	PA3480015	1	0	Low Level
BANGOR AREA SCHOOL COMPLEX Groundwater	PA3480816	1	0	Low Level
KLINE TOWNSHIP MUN AUTHORITY Groundwater	PA3540014	1	0	Low Level
SHENANDOAH MUN WATER AUTHORITY Surface Water	PA3540044	1	0	Low Level
HEGINS HUBLEY AUTHORITY Groundwater	PA3540047	1	0	Low Level
NORTHERN CAMBRIA MUNI WATER GU	PA4110003	1	0	Low Level
HASTINGS MUNI AUTH Groundwater	PA4110013	1	0	Low Level
NANTY GLO WATER AUTH Surface Water	PA4110023	1	0	Low Level
PORTAGE BORO MUNI AUTH Surface Water	PA4110027	1	0	Low Level
SPRING TWP WATER AUTHORITY Groundwater	PA4140118	1	0	Low Level
KNOEBELS GROVE PARK Groundwater	PA4190398	1	0	Low Level
FOXCROFT MANOR MOBILE HOME PK Groundwater	PA4410166	1	0	Low Level
SELINSGROVE MUN WATERWORKS Groundwater	PA4550005	1	0	Low Level
WINDBER AREA AUTH Groundwater	PA4560013	1	0	Low Level
ROCKWOOD BORO MUNI AUTH Groundwater	PA4560020	1	0	Low Level
SOMERSET BORO MUNI WATER AUTH Groundwater	PA4560042	1	0	Low Level
CONEMAUGH TWP MUNI AUTH Surface Water	PA4560048	1	0	Low Level
HAMPTON SHALER WATER AUTHORITY Groundwater	PA5020019	1	0	Low Level
MONROEVILLE MUNICIPAL AUTH Surface Water	PA5020027	1	0	Low Level
OAKMONT WATER AUTHORITY Surface Water	PA5020036	1	0	Low Level
PA AMER WATER CO-PITTSBURGH Surface Water	PA5020039	1	0	Low Level
SPRINGDALE BORO WATER DEPT Groundwater	PA5020053	1	0	Low Level
FAWN FRAZER JT WATER AUTH Surface Water	PA5020076	1	0	Low Level
UPMC MAGEE WOMENS HOSPITAL Surface Water	PA5020883	1	0	Low Level
MUN WATER AUTH OF ALIQUIPPA Groundwater	PA5040006	1	0	Low Level
HARMONY BORO WATER AUTH Surface Water	PA5100042	1	0	Low Level
MAPLE MANOR MHP Groundwater	PA5100071	1	0	Low Level
SLIPPERY ROCK MUNI AUTH Groundwater	PA5100079	1	0	Low Level
CRANBERRY TWP WTP Surface Water	PA5100094	1	0	Low Level
PA-AMERICAN WATER-BROWNSVILLE Surface Water	PA5260005	1	0	Low Level
INDIAN CREEK VALLEY WATER AUTH Surface Water	PA5260011	1	0	Low Level
PA-AMERICAN WATER- UNIONTOWN Surface Water	PA5260020	1	0	Low Level
MOUNTAIN WATER ASSN Surface Water	PA5260032	1	0	Low Level
PA AMERICAN WATER CO-INDIANA D Surface Water	PA5320025	1	0	Low Level
DERRY BORO MUNI AUTH Surface Water	PA5650049	1	0	Low Level
PA AMERICAN WATER CO CLARION Surface Water	PA6160001	1	0	Low Level
AQUA PA INC TREASURE LAKE DIV Groundwater	PA6170048	1	0	Low Level
CONNEAUT LAKE BOROUGH WTP Groundwater	PA6200015	1	0	Low Level
AQUA PA JENKS TWP WTP Groundwater	PA6270008	1	0	Low Level
PA AMERICAN WATER PUNXSY Surface Water	PA6330010	1	0	Low Level
PA AMERICAN WATER CO KANE Surface Water	PA6420019	1	0	Low Level
GROVE CITY BORO WATER DEPT Groundwater	PA6430040	1	0	Low Level
AQUA PA SHENANGO VALLEY WTP Surface Water	PA6430054	1	0	Low Level
SHARPSVILLE BORO WATER CO Surface Water	PA6430055	1	0	Low Level
AQUA PA LAKE LATONKA WTP Groundwater	PA6430059	1	0	Low Level
COUDERSPORT BORO AUTHORITY Groundwater	PA6530009	1	0	Low Level
GENERAL AUTHORITY OF FRANKLIN Groundwater	PA6610020	1	0	Low Level
SENECA & CRANBERRY MALL DIST Groundwater	PA6610031	1	0	Low Level
SOUTH MIDDLETON TWP WATER AUTH Groundwater	PA7210050	1	0	Low Level
PENN NATIONAL GAMING Groundwater	PA7220059	1	0	Low Level
MT JOY BORO AUTH GU	PA7360091	1	0	Low Level
LITITZ BORO GU	PA7360126	1	0	Low Level
WEST EARL WATER AUTHORITY Surface Water	PA7360143	1	0	Low Level
SKYVIEW GARDENS HEIGHTS APTS Groundwater	PA7500030	1	0	Low Level
HANOVER MUNI WATER WORKS Surface Water	PA7670076	1	0	Low Level

Click any row to see ZIP-level details. Click PWSID to see the full utility page.