PFAS in Pennsylvania tap water

117 of 390 tested systems measured above the federal limit. 176 had a detection of any kind.

Every public water system below was required by the EPA to test for 29 PFAS compounds. Sorted by the highest PFOA or PFOS reading, worst first. Find yours for the full set of readings and what removes them.

Water system	Highest PFOA	Highest PFOS	Found	Against the 4 ppt limit
Collegeville Trappe Joint Pwd	235 ppt	15 ppt	8 of 29	Above
Emmaus Borough Public Water	22.4 ppt	153 ppt	13 of 29	Above
Audubon Water Company	30.8 ppt	57.9 ppt	9 of 29	Above
Caernarvon Twp Auth	55.8 ppt	none detected	6 of 29	Above
Palmerton Municipal Authority	42.5 ppt	40 ppt	8 of 29	Above
Horsham Water&sewer Authority	17.5 ppt	33.8 ppt	8 of 29	Above
City of Lancaster, Pa	23.8 ppt	none detected	6 of 29	Above
Northampton Bucks Co Mun Auth	19.6 ppt	23 ppt	9 of 29	Above
Suez Water Pa Bethel	22.3 ppt	none detected	7 of 29	Above
Buckingham Twp Cold Spring	22 ppt	19.3 ppt	7 of 29	Above
Aqua Pa Hatboro	16.2 ppt	21.5 ppt	8 of 29	Above
Ashland Area Water Authority	none detected	20.1 ppt	4 of 29	Above
Aqua Pa Chalfont	8.8 ppt	19 ppt	8 of 29	Above
Coraopolis Water & Sewer Auth	5.2 ppt	18.8 ppt	7 of 29	Above
Kennett Square Mun Water Works	17.7 ppt	14.4 ppt	8 of 29	Above
Perkasie Regional Authority	6.5 ppt	17.6 ppt	4 of 29	Above
N Middleton Water Auth	8 ppt	16.9 ppt	6 of 29	Above
Jamie Hollanders	16.8 ppt	9.7 ppt	7 of 29	Above
Paw Penn District	6.5 ppt	16.4 ppt	8 of 29	Above
Upper Southampton Mun Auth	14.2 ppt	16.4 ppt	8 of 29	Above
Ambler Boro Water Dept	15.3 ppt	13.7 ppt	10 of 29	Above
East Petersburg Borough	6.3 ppt	15.2 ppt	7 of 29	Above
Telford Borough Authority	14.9 ppt	15.2 ppt	9 of 29	Above
Pa Am Water Co-frackville Dist	none detected	15 ppt	4 of 29	Above
Doylestown Boro Water Dept	14.6 ppt	11.3 ppt	10 of 29	Above
Quakertown Boro	10.8 ppt	14.3 ppt	8 of 29	Above
Dtma Main System	14.2 ppt	13.4 ppt	8 of 29	Above
Gettysburg Muni Auth	7.4 ppt	14.1 ppt	5 of 29	Above
North Wales Water Authority	13 ppt	11.1 ppt	9 of 29	Above
Littlestown Boro	4.5 ppt	12.9 ppt	6 of 29	Above
Manheim Area Water & Sewer Aut	12.8 ppt	7.9 ppt	6 of 29	Above
Paw Glen Alsace Div	5.8 ppt	12.7 ppt	7 of 29	Above
Suez Middletown	7.5 ppt	12.7 ppt	8 of 29	Above
Aqua Pa Main System	12.6 ppt	9.2 ppt	9 of 29	Above
Newtown Artesian Water Co	12.3 ppt	7.9 ppt	6 of 29	Above
Montoursville Water Company	6.6 ppt	12.1 ppt	5 of 29	Above
Aqua Pa Superior Main System	11.8 ppt	5.8 ppt	6 of 29	Above
Muhlenberg Twp Muni Auth	8.8 ppt	11.5 ppt	9 of 29	Above
Suez Mechanicsburg	7.1 ppt	11.4 ppt	6 of 29	Above
Carlisle Water Trmt Plt	5 ppt	11.3 ppt	6 of 29	Above
Shrewsbury Borough	5.9 ppt	11.2 ppt	8 of 29	Above
West Manchester Twp Auth	6.3 ppt	11.1 ppt	6 of 29	Above
Aqua Pa Perkiomen Township	10.8 ppt	7.4 ppt	7 of 29	Above
Pa American Royersford	9.1 ppt	10.7 ppt	8 of 29	Above
Pa American Water Co West	4.9 ppt	10.4 ppt	4 of 29	Above
Millersburg Water Auth	4.5 ppt	10 ppt	4 of 29	Above
Moon Twp Muni Auth	none detected	10 ppt	3 of 29	Above
Suez Newberry System	10 ppt	10 ppt	8 of 29	Above
Pa American Water Co Yardley	9.7 ppt	6.1 ppt	7 of 29	Above
Dover Twp Water Sys	5.9 ppt	9.6 ppt	6 of 29	Above
Aqua Pa Friendship	7.7 ppt	9.5 ppt	8 of 29	Above
Upper Leacock Township	8.1 ppt	9.5 ppt	8 of 29	Above
Aqua Pa Uwchlan	9.3 ppt	7.1 ppt	6 of 29	Above
Freeland Boro Muni Water Auth	5.6 ppt	9.1 ppt	5 of 29	Above
East Hempfield Water Auth	9 ppt	5 ppt	5 of 29	Above
New Holland Borough	5.1 ppt	8.3 ppt	7 of 29	Above
Richland Twp Water Authority	7.1 ppt	8.3 ppt	7 of 29	Above
Schwenksville Borough Auth	5.4 ppt	8.3 ppt	3 of 29	Above
Eagle Lake Community Assoc	8.1 ppt	none detected	5 of 29	Above
Manheim Auto Auction	none detected	8.1 ppt	2 of 29	Above
Philadelphia Water Department	8.1 ppt	6 ppt	8 of 29	Above
Aqua Pa Bensalem	8 ppt	7.5 ppt	8 of 29	Above
Hilltown Twp Water&sewer Auth	8 ppt	6.8 ppt	5 of 29	Above
Pa American Water Berwick	7.9 ppt	4 ppt	7 of 29	Above
Suez Water Pa Dallas	4.1 ppt	7.9 ppt	5 of 29	Above
Pa Amer Water Co Lake Scranton	4.9 ppt	7.6 ppt	5 of 29	Above
Warwick Twp Water & Sewer Auth	7.6 ppt	7.1 ppt	8 of 29	Above
Plumstead Northern System	7.5 ppt	7.4 ppt	6 of 29	Above
Bcwsa Main Lower South	7.3 ppt	6.9 ppt	8 of 29	Above
Bucks County Community College	7.1 ppt	none detected	1 of 29	Above
Beaver Boro Muni Auth	7 ppt	4.9 ppt	8 of 29	Above
Pittsburgh Intl Airport	none detected	7 ppt	3 of 29	Above
Aqua Pa Spring Run	6.8 ppt	4.4 ppt	9 of 29	Above
Reading Area Water Authority	6.6 ppt	none detected	5 of 29	Above
Tunkhannock Boro Munic Auth	4.8 ppt	6.6 ppt	4 of 29	Above
Aqua Pa Flying Hills Wa Sys	6.3 ppt	6.4 ppt	4 of 29	Above
Upper Hanover Water Authority	6.2 ppt	5.5 ppt	4 of 29	Above
Aqua Pa West Chester	5.9 ppt	none detected	5 of 29	Above
Eei Meadows Complex	none detected	5.9 ppt	2 of 29	Above
Phoenixville Water Dept	5.9 ppt	5.1 ppt	7 of 29	Above
Ephrata Area Joint Authority	5.8 ppt	4.6 ppt	6 of 29	Above
Elizabethtown Area Water	none detected	5.7 ppt	5 of 29	Above
Mt Penn Boro Muni Auth	none detected	5.7 ppt	2 of 29	Above
Pawc Pocono District	5.7 ppt	5.2 ppt	5 of 29	Above
Titusville Municipal Water	none detected	5.7 ppt	1 of 29	Above
Lehman Jackson Elementary	5.2 ppt	5.5 ppt	3 of 29	Above
Beaver Falls Muni Auth	5.4 ppt	4 ppt	6 of 29	Above
Millersville Univ	5.4 ppt	5.3 ppt	7 of 29	Above
Radisson Valley Forge Hotel	5.4 ppt	4 ppt	5 of 29	Above
Whitehall Twp Authority	4.9 ppt	5.4 ppt	8 of 29	Above
State Correctional Inst	none detected	5.3 ppt	4 of 29	Above
Western Allegheny County Mun A	none detected	5.2 ppt	2 of 29	Above
Chester Water Authority	5.1 ppt	none detected	4 of 29	Above
North Penn Water Authority	5.1 ppt	none detected	3 of 29	Above
Rockview	none detected	5.1 ppt	1 of 29	Above
Williamsport Mun Water Auth	none detected	5.1 ppt	5 of 29	Above
Akron Borough	5 ppt	4.4 ppt	7 of 29	Above
East Cocalico Township	4.5 ppt	4.9 ppt	5 of 29	Above
Dillsburg Area Authority	4.8 ppt	4.7 ppt	4 of 29	Above
Masonic Homes	4.8 ppt	none detected	3 of 29	Above
New Oxford Munci Auth	4.3 ppt	4.8 ppt	6 of 29	Above
Paradise Stream Resort Well 2	none detected	4.8 ppt	1 of 29	Above
Wyomissing Boro Water System	4.7 ppt	none detected	5 of 29	Above
Stewartstown Boro Water Auth	4.6 ppt	4.1 ppt	5 of 29	Above
Aqua Pa Bristol	4.5 ppt	none detected	3 of 29	Above
Highridge Water Auth	4.3 ppt	4.5 ppt	6 of 29	Above
Outlet Shops at Gettysburg	4.5 ppt	4.4 ppt	4 of 29	Above
Salisbury Twp Water System	4.5 ppt	4.2 ppt	5 of 29	Above
Lca Allentown Division	none detected	4.4 ppt	4 of 29	Above
Lca Wlsa Central Division	4.4 ppt	none detected	5 of 29	Above
Oxford Borough	4.3 ppt	none detected	5 of 29	Above
Pa Amer Water Co	4.3 ppt	none detected	5 of 29	Above
Downingtown Water Authority	4.2 ppt	none detected	4 of 29	Above
Wernersville Muni Water Auth	4.2 ppt	none detected	4 of 29	Above
West Reading Boro Water	4.2 ppt	none detected	4 of 29	Above
Zelienople Boro	4.2 ppt	none detected	5 of 29	Above
Mt Hope Est & Winery	4.1 ppt	none detected	3 of 29	Above
Swt Main System	4 ppt	none detected	3 of 29	Within
Albion Borough	none detected	none detected	0 of 29	Within
Altoona Water Authority	none detected	none detected	0 of 29	Within
Ambridge Water Auth	none detected	none detected	0 of 29	Within
Aqua Pa Fawn Lake Forest	none detected	none detected	1 of 29	Within
Aqua Pa Inc Treasure Lake Div	none detected	none detected	0 of 29	Within
Aqua Pa Jenks Twp WTP	none detected	none detected	0 of 29	Within
Aqua Pa Lake Latonka WTP	none detected	none detected	0 of 29	Within
Aqua Pa Roaring Creek Division	none detected	none detected	0 of 29	Within
Aqua Pa Shenango Valley WTP	none detected	none detected	1 of 29	Within
Aqua Pa Susquehanna Division	none detected	none detected	0 of 29	Within
Aqua Pa Water Co Honesdale	none detected	none detected	0 of 29	Within
Auth of Boro of Charleroi	none detected	none detected	0 of 29	Within
Baden Boro Water Dept	none detected	none detected	0 of 29	Within
Bangor Area School Complex	none detected	none detected	1 of 29	Within
Bear Valley Joint Auth	none detected	none detected	1 of 29	Within
Belle Vernon Boro Muni Auth	none detected	none detected	0 of 29	Within
Bellefonte Borough Water Auth	none detected	none detected	0 of 29	Within
Birdsboro Muni Water Auth	none detected	none detected	0 of 29	Within
Blairsville Muni Auth	none detected	none detected	0 of 29	Within
Blue Mtn Coop Tilden Ind Park	none detected	none detected	2 of 29	Within
Blythe Twp Municipal Authority	none detected	none detected	0 of 29	Within
Boro of Waynesboro	none detected	none detected	0 of 29	Within
Boyertown Muni Auth	none detected	none detected	0 of 29	Within
Brackenridge Boro Water Dept	none detected	none detected	0 of 29	Within
Bradford City Water Authority	none detected	none detected	0 of 29	Within
Brighton Twp Muni Auth	none detected	none detected	4 of 29	Within
Brockway Boro Municipal Auth	none detected	none detected	0 of 29	Within
Brodhead Creek Reg Water Auth	none detected	none detected	0 of 29	Within
Brookville Municipal Auth	none detected	none detected	1 of 29	Within
Buck Hill Falls Water Co	none detected	none detected	0 of 29	Within
Buffalo Twp Mun Auth Freeport	none detected	none detected	0 of 29	Within
Cabot Oil and Gas	none detected	none detected	0 of 29	Within
Capital Region Water	none detected	none detected	0 of 29	Within
Carbon Plaza Mall	none detected	none detected	0 of 29	Within
Catasauqua Mun Water Works	none detected	none detected	2 of 29	Within
Center Twp Water Auth	none detected	none detected	0 of 29	Within
Central Indiana Co Water Auth	none detected	none detected	0 of 29	Within
Centre Hall Boro Water Dept	none detected	none detected	0 of 29	Within
Chambersburg Boro Water Sys	none detected	none detected	0 of 29	Within
City of Bethlehem	none detected	none detected	0 of 29	Within
City of Dubois Water Depart	none detected	none detected	0 of 29	Within
City of Lock Haven Water Dept	none detected	none detected	0 of 29	Within
Clearfield Municipal Auth	none detected	none detected	1 of 29	Within
College Twp. Water Authority	none detected	none detected	2 of 29	Within
Columbia Water Co	none detected	none detected	0 of 29	Within
Conemaugh Twp Muni Auth	none detected	none detected	1 of 29	Within
Conneaut Lake Borough WTP	none detected	none detected	0 of 29	Within
Cooper Twp Municipal Auth	none detected	none detected	0 of 29	Within
Coudersport Boro Authority	none detected	none detected	0 of 29	Within
Cranberry Twp WTP	none detected	none detected	0 of 29	Within
Creative Kids East Child Dev	none detected	none detected	0 of 29	Within
Creswell Heights Jt Auth	none detected	none detected	0 of 29	Within
Croyle Twp Water Auth	none detected	none detected	0 of 29	Within
Dallastown Yoe Water Auth	none detected	none detected	0 of 29	Within
Danville Municipal Water Auth	none detected	none detected	2 of 29	Within
Denver Boro	none detected	none detected	2 of 29	Within
Derry Boro Muni Auth	none detected	none detected	1 of 29	Within
Duquesne Water Dept	none detected	none detected	0 of 29	Within
E Armstrong Cnty Muni Auth	none detected	none detected	0 of 29	Within
E Stroudsburg Boro Water Dept	none detected	none detected	0 of 29	Within
East Donegal Twp Municipal Aut	none detected	none detected	2 of 29	Within
East Dunkard Water Authority	none detected	none detected	0 of 29	Within
East Penn Mfg Co	none detected	none detected	0 of 29	Within
Easton Area Water System	none detected	none detected	0 of 29	Within
Ebensburg Boro Muni Auth	none detected	none detected	0 of 29	Within
Edgeworth Boro Muni Auth	none detected	none detected	0 of 29	Within
Edinboro Water Authority	none detected	none detected	0 of 29	Within
Ellsworth Boro Water Dept	none detected	none detected	0 of 29	Within
Emporium Water Company	none detected	none detected	0 of 29	Within
Erie City Water Authority	none detected	none detected	0 of 29	Within
Evitts Creek Water Co	none detected	none detected	0 of 29	Within
Fairview Twp Water Auth Dist 3	none detected	none detected	0 of 29	Within
Fairview Twp Water Authority	none detected	none detected	0 of 29	Within
Falls Twp Water & Sewer Dept	none detected	none detected	2 of 29	Within
Fannett Metal Sch Dist	none detected	none detected	0 of 29	Within
Fawn Frazer Jt Water Auth	none detected	none detected	1 of 29	Within
Findlay Twp Municipal Auth	none detected	none detected	0 of 29	Within
Fishertown Water Assn	none detected	none detected	0 of 29	Within
Fleetwood Boro Water System	none detected	none detected	0 of 29	Within
Fox Chapel Auth	none detected	none detected	0 of 29	Within
Foxcroft Manor Mobile Home Pk	none detected	none detected	0 of 29	Within
Franklin Co Gen Auth	none detected	none detected	0 of 29	Within
Geisinger Medical Center	none detected	none detected	0 of 29	Within
General Authority of Franklin	none detected	none detected	1 of 29	Within
Girard Boro Water Dept	none detected	none detected	0 of 29	Within
Glendale Valley Municipal Auth	none detected	none detected	0 of 29	Within
Greater Johnstown Wa Riverside	none detected	none detected	0 of 29	Within
Greencastle Area Water Auth	none detected	none detected	0 of 29	Within
Greenville Muni Water Auth	none detected	none detected	0 of 29	Within
Grove City Boro Water Dept	none detected	none detected	0 of 29	Within
Guilford Water Auth	none detected	none detected	0 of 29	Within
Hamburg Muni Water&sewer Auth	none detected	none detected	0 of 29	Within
Hampton Shaler Water Authority	none detected	none detected	0 of 29	Within
Hanover Muni Water Works	none detected	none detected	1 of 29	Within
Harmony Boro Water Auth	none detected	none detected	1 of 29	Within
Harrison Twp Water Auth	none detected	none detected	0 of 29	Within
Hastings Muni Auth	none detected	none detected	0 of 29	Within
Hca Hazleton Division	none detected	none detected	0 of 29	Within
Hegins Hubley Authority	none detected	none detected	0 of 29	Within
Hellertown Borough Authority	none detected	none detected	2 of 29	Within
Hemlock Farms (main)	none detected	none detected	0 of 29	Within
Hickory Hills MHC	none detected	none detected	0 of 29	Within
Highland S & W Auth Beaverdam	none detected	none detected	0 of 29	Within
Hollidaysburg Muni Auth	none detected	none detected	0 of 29	Within
Houtzdale Municipal Authority	none detected	none detected	0 of 29	Within
Humboldt Industrial Park	none detected	none detected	2 of 29	Within
Huntingdon Boro Water Dept	none detected	none detected	0 of 29	Within
Icmsa Crooked Creek	none detected	none detected	0 of 29	Within
Indian Creek Valley Water Auth	none detected	none detected	0 of 29	Within
Jersey Shore Area Jnt Wat Auth	none detected	none detected	0 of 29	Within
Kittanning Suburb Jt Water Aut	none detected	none detected	0 of 29	Within
Kline Township Mun Authority	none detected	none detected	0 of 29	Within
Knoebels Grove Park	none detected	none detected	0 of 29	Within
Kutztown Borough Water	none detected	none detected	0 of 29	Within
Lakeview Mobilehome Park	none detected	none detected	0 of 29	Within
Lansford Coaldale Jt Water Aut	none detected	none detected	0 of 29	Within
Latrobe Muni Auth	none detected	none detected	0 of 29	Within
Lawn Turnpike Plaza	none detected	none detected	0 of 29	Within
Lca North Whitehall Division	none detected	none detected	1 of 29	Within
Lebanon Water Auth	none detected	none detected	0 of 29	Within
Lehighton Water Authority	none detected	none detected	0 of 29	Within
Lewistown Boro Muni Auth	none detected	none detected	0 of 29	Within
Lititz Boro	none detected	none detected	1 of 29	Within
London Grove Twp Mun Auth	none detected	none detected	4 of 29	Within
Lower Bucks Co Joint Mun Auth	none detected	none detected	0 of 29	Within
Lower Saucon Authority	none detected	none detected	0 of 29	Within
Lutheran Home at Topton	none detected	none detected	0 of 29	Within
Mahanoy Twp Auth	none detected	none detected	0 of 29	Within
Maidencreek Twp Water Auth	none detected	none detected	2 of 29	Within
Manor Twp Jt Muni Auth	none detected	none detected	0 of 29	Within
Mansfield Borough Mun Auth	none detected	none detected	0 of 29	Within
Maple Manor MHP	none detected	none detected	0 of 29	Within
Masontown Muni Water Works	none detected	none detected	0 of 29	Within
Mawc Sweeney Plant	none detected	none detected	0 of 29	Within
Mawc Yough Plant	none detected	none detected	0 of 29	Within
Meadville Area Water Authority	none detected	none detected	0 of 29	Within
Merck and Co Inc	none detected	none detected	1 of 29	Within
Meshoppen Borough Water Co	none detected	none detected	0 of 29	Within
Middlesex Twp Muni Auth	none detected	none detected	0 of 29	Within
Mifflinburg Boro Water Dept	none detected	none detected	0 of 29	Within
Mifflintown Muni Auth	none detected	none detected	0 of 29	Within
Milford Twp Water Authority	none detected	none detected	2 of 29	Within
Millville Municipal Authority	none detected	none detected	0 of 29	Within
Minersville Municipal Water Au	none detected	none detected	0 of 29	Within
Monaca Boro Water Dept	none detected	none detected	2 of 29	Within
Monroeville Municipal Auth	none detected	none detected	1 of 29	Within
Morrisville Munic Authority	none detected	none detected	1 of 29	Within
Mountain Water Assn	none detected	none detected	0 of 29	Within
Mt Airy Casino & Resort	none detected	none detected	0 of 29	Within
Mt Joy Boro Auth	none detected	none detected	1 of 29	Within
Mt Union Municipal Auth	none detected	none detected	0 of 29	Within
Mun Auth of Boro of Bedford	none detected	none detected	0 of 29	Within
Mun Water Auth of Aliquippa	none detected	none detected	1 of 29	Within
Muni Auth of Washington Twp	none detected	none detected	0 of 29	Within
Municipal Authority of Corry	none detected	none detected	0 of 29	Within
Municipal Authority Sunbury	none detected	none detected	0 of 29	Within
Municipal Water Auth Adams Twp	none detected	none detected	0 of 29	Within
Myerstown Water Auth	none detected	none detected	0 of 29	Within
Nanty Glo Water Auth	none detected	none detected	1 of 29	Within
Neville Twp Water Dept	none detected	none detected	0 of 29	Within
New Freedom Boro Water Auth	none detected	none detected	5 of 29	Within
New Kensington Muni Auth	none detected	none detected	0 of 29	Within
New Sewickley Twp Muni Auth	none detected	none detected	4 of 29	Within
New Wilmington Boro Water Dept	none detected	none detected	0 of 29	Within
Newville Boro Water Auth	none detected	none detected	0 of 29	Within
North East Borough Water Dept	none detected	none detected	0 of 29	Within
North Fayette Cnty Muni Auth	none detected	none detected	0 of 29	Within
North Sewickley Mun Water Auth	none detected	none detected	4 of 29	Within
Northampton Boro Muni Auth	none detected	none detected	0 of 29	Within
Northern Cambria Muni Water	none detected	none detected	0 of 29	Within
Nwwa Warrington Township	none detected	none detected	1 of 29	Within
Oakmont Water Authority	none detected	none detected	0 of 29	Within
Oil City	none detected	none detected	0 of 29	Within
Pa Amer Water Co Brownell	none detected	none detected	0 of 29	Within
Pa Amer Water Co Ellwood Cty	none detected	none detected	4 of 29	Within
Pa Amer Water Co New Castle	none detected	none detected	3 of 29	Within
Pa Amer Water Co Susquehanna	none detected	none detected	0 of 29	Within
Pa Amer Water Co-pittsburgh	none detected	none detected	0 of 29	Within
Pa American Coatesville	none detected	none detected	2 of 29	Within
Pa American Norristown	none detected	none detected	4 of 29	Within
Pa American Water Co Butler	none detected	none detected	0 of 29	Within
Pa American Water Co Clarion	none detected	none detected	0 of 29	Within
Pa American Water Co Kane	none detected	none detected	0 of 29	Within
Pa American Water Co Warren	none detected	none detected	0 of 29	Within
Pa American Water Co-indiana D	none detected	none detected	0 of 29	Within
Pa American Water Punxsy	none detected	none detected	0 of 29	Within
Pa American Water Steelton	none detected	none detected	0 of 29	Within
Pa American White Deer	none detected	none detected	0 of 29	Within
Pa-american Water Co-connellsv	none detected	none detected	0 of 29	Within
Pa-american Water Co-kittannig	none detected	none detected	0 of 29	Within
Pa-american Water- Uniontown	none detected	none detected	0 of 29	Within
Pa-american Water-brownsville	none detected	none detected	0 of 29	Within
Paw Bangor District	none detected	none detected	0 of 29	Within
Paw Blue Mountain Division	none detected	none detected	0 of 29	Within
Paw Ceasetown	none detected	none detected	0 of 29	Within
Paw Crystal Lake	none detected	none detected	1 of 29	Within
Paw Huntsville	none detected	none detected	0 of 29	Within
Paw Nesbitt	none detected	none detected	0 of 29	Within
Paw Philipsburg	none detected	none detected	0 of 29	Within
Paw Watres	none detected	none detected	0 of 29	Within
Pawc Saw Creek Estates	none detected	none detected	0 of 29	Within
Penn Estates Utilities Incorp	none detected	none detected	0 of 29	Within
Penn National Gaming	none detected	none detected	0 of 29	Within
Penn State Univ.	none detected	none detected	0 of 29	Within
Penns Creek Municipal Auth	none detected	none detected	0 of 29	Within
Pike Twp Municipal Authority	none detected	none detected	0 of 29	Within
Pittsburgh Water & Sewer Auth	none detected	none detected	0 of 29	Within
Pleasant Valley Water Auth	none detected	none detected	0 of 29	Within
Plum Boro Muni Auth	none detected	none detected	0 of 29	Within
Portage Boro Muni Auth	none detected	none detected	0 of 29	Within
Pottstown Borough Water Auth	none detected	none detected	4 of 29	Within
Red Lion Municipal Authority	none detected	none detected	0 of 29	Within
Reserve Twp Water Dept	none detected	none detected	0 of 29	Within
Richland Twp Water Authority, Pa	none detected	none detected	0 of 29	Within
Ridgway Borough Water System	none detected	none detected	0 of 29	Within
Roamingwood Sewer and Water	none detected	none detected	0 of 29	Within
Robinson Twp Muni Auth	none detected	none detected	0 of 29	Within
Rockwood Boro Muni Auth	none detected	none detected	0 of 29	Within
Schuylkill Co Mun Auth	none detected	none detected	0 of 29	Within
Schuylkill Haven Boro Water	none detected	none detected	0 of 29	Within
Selinsgrove Mun Waterworks	none detected	none detected	0 of 29	Within
Seneca & Cranberry Mall Dist	none detected	none detected	0 of 29	Within
Seven Springs Muni Auth	none detected	none detected	0 of 29	Within
Sewickley Boro Water Auth	none detected	none detected	5 of 29	Within
Sharpsville Boro Water Co	none detected	none detected	1 of 29	Within
Shenandoah Mun Water Authority	none detected	none detected	1 of 29	Within
Shillington Muni Auth	none detected	none detected	3 of 29	Within
Shippensburg Boro Water Auth	none detected	none detected	0 of 29	Within
Shohola Falls Trails End Sys#2	none detected	none detected	0 of 29	Within
Skyview Gardens Heights Apts	none detected	none detected	0 of 29	Within
Slatington Borough Water Sys	none detected	none detected	0 of 29	Within
Slippery Rock Muni Auth	none detected	none detected	0 of 29	Within
Somerset Boro Muni Water Auth	none detected	none detected	0 of 29	Within
Somerset Twp Muni Auth Oakridg	none detected	none detected	0 of 29	Within
South Middleton Twp Water Auth	none detected	none detected	1 of 29	Within
Southwestern Cambria Cnty Auth	none detected	none detected	0 of 29	Within
Southwestern Pa Water Auth	none detected	none detected	0 of 29	Within
Spring Twp Water Authority	none detected	none detected	1 of 29	Within
Springdale Boro Water Dept	none detected	none detected	1 of 29	Within
St Marys Area Water Auth	none detected	none detected	0 of 29	Within
State College Boro Water Auth.	none detected	none detected	0 of 29	Within
Suburban Lock Haven Water Auth	none detected	none detected	0 of 29	Within
Suez Water Pa	none detected	none detected	3 of 29	Within
Suez Water Pa Inc Bloomsburg	none detected	none detected	0 of 29	Within
Summit Township Water Authorit	none detected	none detected	0 of 29	Within
Tamaqua Area Water Authority	none detected	none detected	0 of 29	Within
Tarentum Boro Water Dept	none detected	none detected	0 of 29	Within
Tobyhanna Army Depot	none detected	none detected	0 of 29	Within
Towanda Municipal Authority	none detected	none detected	0 of 29	Within
Tri Cnty Jt Muni Auth	none detected	none detected	0 of 29	Within
Tyrone Boro Water Auth	none detected	none detected	0 of 29	Within
Union City Municipal Authority	none detected	none detected	0 of 29	Within
Upmc Magee Womens Hospital	none detected	none detected	1 of 29	Within
Upmc Montefiore	none detected	none detected	0 of 29	Within
Upmc Presbyterian	none detected	none detected	0 of 29	Within
Upmc Shadyside Hillman Campus	none detected	none detected	0 of 29	Within
Upper Saucon Twp Water Supply	none detected	none detected	1 of 29	Within
Va Pittsburgh Ud	none detected	none detected	0 of 29	Within
Warminster Municipal Authority	none detected	none detected	2 of 29	Within
Warwick Twp Lititz Sys	none detected	none detected	3 of 29	Within
Washington Twp Muni Auth	none detected	none detected	0 of 29	Within
Washington Twp Water System	none detected	none detected	0 of 29	Within
Waterford Municipal Authority	none detected	none detected	0 of 29	Within
Wellsboro Municipal Authority	none detected	none detected	0 of 29	Within
West Cnty Muni Auth-mckeesport	none detected	none detected	0 of 29	Within
West Earl Water Authority	none detected	none detected	1 of 29	Within
West View Water Authority	none detected	none detected	0 of 29	Within
Wilkinsburg-penn Jt Water Auth	none detected	none detected	0 of 29	Within
Windber Area Auth	none detected	none detected	0 of 29	Within
Womelsdorf Robesonia Jt Auth	none detected	none detected	0 of 29	Within
Wrightsville Boro Muni Auth	none detected	none detected	1 of 29	Within
York Water Co	none detected	none detected	0 of 29	Within

All 390 systems the EPA tested in Pennsylvania, every one of them with its own page. Each was tested for 29 PFAS compounds.

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Source, the EPA’s fifth Unregulated Contaminant Monitoring Rule, final dataset published 2026-10-15. Original data →