PFAS in New York tap water

50 of 334 tested systems measured above the federal limit. 100 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
Pequenakonck Elementary School	111.5 ppt	10 ppt	8 of 29	Above
Yeshiva Farm Settlement	27.8 ppt	106 ppt	10 of 29	Above
Somers Town House/hall	21 ppt	54.7 ppt	7 of 29	Above
Garden City Park Wd	19 ppt	none detected	3 of 29	Above
Suffolk County Water Authority	6.5 ppt	17.4 ppt	10 of 29	Above
Veolia Water NY	14 ppt	6.8 ppt	10 of 29	Above
Corning City	12.2 ppt	none detected	2 of 29	Above
Albertson Wd	12 ppt	6.9 ppt	7 of 29	Above
Monroe Village	10.5 ppt	5.7 ppt	6 of 29	Above
Sidney Village	10.4 ppt	7.1 ppt	4 of 29	Above
Wa of Western Nassau	10 ppt	6.1 ppt	8 of 29	Above
Nyack Village Water Supply	9.8 ppt	5.6 ppt	8 of 29	Above
Arrow Park Inc.	9.6 ppt	none detected	4 of 29	Above
Brinkerhoff Water District	8.6 ppt	6.2 ppt	6 of 29	Above
Colonie Village	8.3 ppt	none detected	1 of 29	Above
Westbury Wd	7.6 ppt	none detected	3 of 29	Above
Harriman Village	none detected	7.5 ppt	4 of 29	Above
Suffern Village	7.4 ppt	5.9 ppt	4 of 29	Above
Watertown City	7.3 ppt	none detected	2 of 29	Above
Yorktown Consold. Water Dist.#1	6.9 ppt	none detected	4 of 29	Above
Heritage Hills Waterworks Corp	6.6 ppt	6.1 ppt	2 of 29	Above
St James Water District	6.5 ppt	4.1 ppt	6 of 29	Above
Suez Water Westchester, Inc. Rd2	6.5 ppt	none detected	3 of 29	Above
Chenango Consolidated Wd #1	6.3 ppt	none detected	4 of 29	Above
Greenfield Water District	none detected	5.7 ppt	2 of 29	Above
Roslyn Wd	5.6 ppt	none detected	2 of 29	Above
Williston Park (v)	5.6 ppt	none detected	5 of 29	Above
Binghamton, City of	4 ppt	5.5 ppt	5 of 29	Above
Waverly Village	5.4 ppt	none detected	5 of 29	Above
Manhasset Lakeville Wd	5.3 ppt	none detected	5 of 29	Above
Port Washington Wd	5.3 ppt	4.7 ppt	6 of 29	Above
Riverhead Wd	4 ppt	5.2 ppt	4 of 29	Above
Chester Village	5.1 ppt	none detected	4 of 29	Above
New York American Water - Lynbrook	none detected	5.1 ppt	3 of 29	Above
Scotia Village Water Works	5 ppt	none detected	5 of 29	Above
North Point Creek Apartments Ltd.	none detected	4.9 ppt	1 of 29	Above
Glens Falls City	4.7 ppt	none detected	4 of 29	Above
Hempstead (v)	none detected	4.7 ppt	1 of 29	Above
Kingston (city) Water District	4.6 ppt	4.3 ppt	2 of 29	Above
Monticello Village	4.6 ppt	none detected	1 of 29	Above
Newburgh Consolidated Wd	4.6 ppt	none detected	4 of 29	Above
Glen Cove City	4.5 ppt	none detected	2 of 29	Above
Morningside Heights Wd / Erwin (t)	none detected	4.4 ppt	1 of 29	Above
Garden City (v)	none detected	4.3 ppt	3 of 29	Above
Manchester Water District, Ny	4.3 ppt	none detected	3 of 29	Above
Ossining Water Department	4.3 ppt	none detected	1 of 29	Above
Glenville Wd #11	4.2 ppt	none detected	1 of 29	Above
Bedford Consolidated W.d.	4.1 ppt	none detected	2 of 29	Above
Mineola (v)	4.1 ppt	4.1 ppt	4 of 29	Above
Voorheesville Village	4.1 ppt	none detected	3 of 29	Above
Albany City	none detected	none detected	0 of 29	Within
Albion Village	none detected	none detected	0 of 29	Within
Alfred State College	none detected	none detected	0 of 29	Within
Amsterdam (c)	none detected	none detected	0 of 29	Within
Angola Village	none detected	none detected	0 of 29	Within
Arcadia-lyons Csa	none detected	none detected	0 of 29	Within
Arlington High School	none detected	none detected	0 of 29	Within
Auburn, Ny	none detected	none detected	0 of 29	Within
Baldwinsville Village	none detected	none detected	1 of 29	Within
Ballston Spa Village	none detected	none detected	0 of 29	Within
Barton & Weller Trail - Asp	none detected	none detected	0 of 29	Within
Batavia City	none detected	none detected	1 of 29	Within
Batavia Consolidated W.d.	none detected	none detected	0 of 29	Within
Bath Village Consolidated Sampling Area	none detected	none detected	0 of 29	Within
Bayville (v)	none detected	none detected	0 of 29	Within
Beacon City	none detected	none detected	0 of 29	Within
Bethlehem Wd No 1	none detected	none detected	0 of 29	Within
Bethpage Wd	none detected	none detected	4 of 29	Within
Big Flats Water District 5	none detected	none detected	1 of 29	Within
Briarcliff Manor Village	none detected	none detected	0 of 29	Within
Bristol Harbour Water Corp	none detected	none detected	1 of 29	Within
Bristol Wd #1	none detected	none detected	0 of 29	Within
Brockport Village	none detected	none detected	0 of 29	Within
Brookhaven National Labs	none detected	none detected	1 of 29	Within
Brunswick Consolidated Water District	none detected	none detected	0 of 29	Within
Buffalo Water Authority	none detected	none detected	0 of 29	Within
Burnt Hills-ballston Lk Wd	none detected	none detected	0 of 29	Within
Cambria Water District	none detected	none detected	0 of 29	Within
Canandaigua City	none detected	none detected	0 of 29	Within
Canandaigua Town Cons. Wd	none detected	none detected	0 of 29	Within
Canandaigua-farmington Consolidated W.d.	none detected	none detected	0 of 29	Within
Canandaigua-hopewell Consolidated Wd	none detected	none detected	0 of 29	Within
Canton Village	none detected	none detected	0 of 29	Within
Carle Place Wd	none detected	none detected	0 of 29	Within
Carmel Wd 2	none detected	none detected	0 of 29	Within
Carthage Village	none detected	none detected	0 of 29	Within
Catskill Village	none detected	none detected	1 of 29	Within
Cazenovia Village	none detected	none detected	0 of 29	Within
Chautauqua Utility District	none detected	none detected	0 of 29	Within
Cherry Valley Springfield Cs	none detected	none detected	0 of 29	Within
Clarendon Town Wds	none detected	none detected	1 of 29	Within
Clay Wds	none detected	none detected	0 of 29	Within
Clifton Park Water Authority	none detected	none detected	1 of 29	Within
Clinton Correctional Facility	none detected	none detected	0 of 29	Within
Cobleskill Village	none detected	none detected	0 of 29	Within
Cohoes City	none detected	none detected	0 of 29	Within
Collins/gowanda Correctional Facilities	none detected	none detected	0 of 29	Within
Corinth Village	none detected	none detected	0 of 29	Within
Cornell University	none detected	none detected	0 of 29	Within
Cornwall-on-hudson	none detected	none detected	1 of 29	Within
Cortland (c)	none detected	none detected	0 of 29	Within
Cortlandt Consolidated Wd	none detected	none detected	0 of 29	Within
Cortlandville Town Water	none detected	none detected	1 of 29	Within
Coxsackie Village	none detected	none detected	0 of 29	Within
Creekside Village MHP	none detected	none detected	0 of 29	Within
Crossings, the (halfmoon Wd)	none detected	none detected	0 of 29	Within
Croton-on-hudson Village	none detected	none detected	0 of 29	Within
Dansville Village	none detected	none detected	0 of 29	Within
Delhi Village	none detected	none detected	0 of 29	Within
Dewitt Wds - North	none detected	none detected	0 of 29	Within
Dewitt Wds - South	none detected	none detected	0 of 29	Within
Dix Hills Water District	none detected	none detected	2 of 29	Within
Dunkirk City	none detected	none detected	0 of 29	Within
East Aurora Village	none detected	none detected	1 of 29	Within
East Greenbush General W.d.	none detected	none detected	0 of 29	Within
East Herkimer Water District	none detected	none detected	0 of 29	Within
Ecwa Direct	none detected	none detected	0 of 29	Within
Ellenville (village) Water Dis	none detected	none detected	0 of 29	Within
Elma Water District No. 1	none detected	none detected	0 of 29	Within
Elmira Water Board	none detected	none detected	0 of 29	Within
Elmsford Village	none detected	none detected	0 of 29	Within
Empire/ripley Hill Mobile Home Park	none detected	none detected	0 of 29	Within
Endicott Municipal Water Works	none detected	none detected	0 of 29	Within
Fair Haven Village	none detected	none detected	0 of 29	Within
Fallsburg Who-ls-sf	none detected	none detected	1 of 29	Within
Farmingdale (v)	none detected	none detected	0 of 29	Within
Fishkill Village	none detected	none detected	0 of 29	Within
Fort Drum	none detected	none detected	6 of 29	Within
Fort Edward Village	none detected	none detected	1 of 29	Within
Fort Plain (v) Water Works	none detected	none detected	0 of 29	Within
Franklin Square Wd	none detected	none detected	0 of 29	Within
Fredonia Village	none detected	none detected	0 of 29	Within
Freeport (v)	none detected	none detected	0 of 29	Within
Friendship Town Water District	none detected	none detected	0 of 29	Within
Fulton City	none detected	none detected	0 of 29	Within
Geneseo Village	none detected	none detected	0 of 29	Within
Geneva City	none detected	none detected	0 of 29	Within
Geneva Wd #2 Csa	none detected	none detected	0 of 29	Within
Glasco Water District	none detected	none detected	0 of 29	Within
Gloversville (c) Water Works	none detected	none detected	0 of 29	Within
Gorham Town Wd	none detected	none detected	0 of 29	Within
Goshen Village	none detected	none detected	0 of 29	Within
Gouverneur	none detected	none detected	0 of 29	Within
Grand Island Town Water Dept.	none detected	none detected	0 of 29	Within
Great Meadow/washington Corr. Facilities	none detected	none detected	0 of 29	Within
Greater Plattsburgh Water District	none detected	none detected	0 of 29	Within
Greenburgh Consolidated Wd #1	none detected	none detected	0 of 29	Within
Greenlawn Wd	none detected	none detected	3 of 29	Within
Greenport Wd No1	none detected	none detected	0 of 29	Within
Guilderland Town Wd	none detected	none detected	0 of 29	Within
Halfmoon Water District (troy)	none detected	none detected	0 of 29	Within
Hamilton Bicentennial Elem. Sc	none detected	none detected	0 of 29	Within
Hamilton Village	none detected	none detected	0 of 29	Within
Hampton Bays Wd	none detected	none detected	1 of 29	Within
Hartland Wd	none detected	none detected	0 of 29	Within
Herkimer Village	none detected	none detected	0 of 29	Within
Hicksville Wd	none detected	none detected	1 of 29	Within
Highland Falls Village	none detected	none detected	0 of 29	Within
Highland Water District	none detected	none detected	0 of 29	Within
Hilton Village	none detected	none detected	2 of 29	Within
Hoey-de Graw Waterworks Inc	none detected	none detected	0 of 29	Within
Homer Village-newton Water Works	none detected	none detected	0 of 29	Within
Hoosick Falls (v) PWS	none detected	none detected	0 of 29	Within
Hornell City	none detected	none detected	0 of 29	Within
Horseheads Village	none detected	none detected	0 of 29	Within
Hudson City	none detected	none detected	0 of 29	Within
Hudson Falls Village (queensbury)	none detected	none detected	0 of 29	Within
Hyde Park / D.c.w.w.a. Plant	none detected	none detected	0 of 29	Within
Ilion (v) Water Works	none detected	none detected	0 of 29	Within
Irvington Water Supply	none detected	none detected	0 of 29	Within
Ithaca City	none detected	none detected	0 of 29	Within
Ithaca Town Wd	none detected	none detected	1 of 29	Within
Jamestown Bpu	none detected	none detected	0 of 29	Within
Jericho Wd	none detected	none detected	5 of 29	Within
Johnson City Water Works	none detected	none detected	3 of 29	Within
Johnstown (c) Water Works	none detected	none detected	0 of 29	Within
Jrs Pharmaceuticals	none detected	none detected	0 of 29	Within
Kenmore Village	none detected	none detected	0 of 29	Within
Kensico Water District	none detected	none detected	0 of 29	Within
Kingsbury Wd (queensbury)	none detected	none detected	0 of 29	Within
Kingsvale Water Co	none detected	none detected	0 of 29	Within
Lake Placid V	none detected	none detected	0 of 29	Within
Larchmont Village	none detected	none detected	0 of 29	Within
Latham Water District	none detected	none detected	0 of 29	Within
Lcwsa Consolidated Water District	none detected	none detected	0 of 29	Within
Leray Town Wd 2 & 4	none detected	none detected	1 of 29	Within
Lewiston Water Improvementarea	none detected	none detected	1 of 29	Within
Liberty Village	none detected	none detected	1 of 29	Within
Little Falls City	none detected	none detected	0 of 29	Within
Livingston Manor Wd	none detected	none detected	0 of 29	Within
Lockport City WTP	none detected	none detected	0 of 29	Within
Lockport Wd#3	none detected	none detected	0 of 29	Within
Locust Valley Wd	none detected	none detected	2 of 29	Within
Long Beach City	none detected	none detected	0 of 29	Within
Lowville Village	none detected	none detected	0 of 29	Within
Malone V	none detected	none detected	0 of 29	Within
Marion-arcadia-sodus Csa	none detected	none detected	0 of 29	Within
Massapequa Wd	none detected	none detected	0 of 29	Within
Massena Village	none detected	none detected	0 of 29	Within
Mcwa	none detected	none detected	0 of 29	Within
Mechanicville City	none detected	none detected	0 of 29	Within
Medina Village	none detected	none detected	0 of 29	Within
Menands Village	none detected	none detected	0 of 29	Within
Middletown City	none detected	none detected	0 of 29	Within
Minerva Wd	none detected	none detected	0 of 29	Within
Minisink Valley School Dist. Water Loop	none detected	none detected	0 of 29	Within
Montgomery Village	none detected	none detected	1 of 29	Within
Moravia Village	none detected	none detected	0 of 29	Within
Moreau Wd #2 (queensbury)	none detected	none detected	0 of 29	Within
Morrisville State College	none detected	none detected	0 of 29	Within
Mount Kisco Water Department	none detected	none detected	1 of 29	Within
Mount Morris Village	none detected	none detected	0 of 29	Within
Mount Vernon Water Department	none detected	none detected	0 of 29	Within
Mvwa - Mohawk Valley Water Authority	none detected	none detected	0 of 29	Within
New Castle/stanwood W.d.	none detected	none detected	0 of 29	Within
New Paltz (village) Water Dist	none detected	none detected	0 of 29	Within
New Windsor Consolidated Wd	none detected	none detected	3 of 29	Within
New York American Water - Merrick	none detected	none detected	0 of 29	Within
New York American Water - Sea Cliff	none detected	none detected	0 of 29	Within
New York City System	none detected	none detected	0 of 29	Within
Newark Village	none detected	none detected	0 of 29	Within
Newburgh City	none detected	none detected	0 of 29	Within
Newfane Wd No1,2,3 Consol	none detected	none detected	1 of 29	Within
Newfane Wd#4	none detected	none detected	0 of 29	Within
Niagara Falls Water Board	none detected	none detected	0 of 29	Within
Niagara Water Improvement Area	none detected	none detected	0 of 29	Within
Niskayuna Consolidated Wd #11	none detected	none detected	0 of 29	Within
North Greenbush Consolidated District	none detected	none detected	0 of 29	Within
North Tonawanda City	none detected	none detected	0 of 29	Within
Norwich City	none detected	none detected	0 of 29	Within
Ocean Beach Water District	none detected	none detected	0 of 29	Within
Ocwa	none detected	none detected	1 of 29	Within
Ogdensburg City	none detected	none detected	2 of 29	Within
Old Westbury (v)	none detected	none detected	0 of 29	Within
Olean City	none detected	none detected	0 of 29	Within
Oneida City	none detected	none detected	0 of 29	Within
Oneonta City	none detected	none detected	0 of 29	Within
Ontario Town Benefit Area #1	none detected	none detected	0 of 29	Within
Oswego City	none detected	none detected	0 of 29	Within
Oyster Bay Wd	none detected	none detected	3 of 29	Within
Palm Tree	none detected	none detected	2 of 29	Within
Palmyra Village	none detected	none detected	0 of 29	Within
Palmyra-macedon-walworth Csa	none detected	none detected	0 of 29	Within
Peekskill City	none detected	none detected	0 of 29	Within
Pendleton Town Wd	none detected	none detected	0 of 29	Within
Penn Yan Village	none detected	none detected	1 of 29	Within
Perry Village	none detected	none detected	0 of 29	Within
Phelps Town Consolidated Wd	none detected	none detected	0 of 29	Within
Pine Bush Water District	none detected	none detected	0 of 29	Within
Plainview Wd	none detected	none detected	1 of 29	Within
Plattsburgh City	none detected	none detected	1 of 29	Within
Pleasantville Water District	none detected	none detected	0 of 29	Within
Poestenkill Wd#1	none detected	none detected	0 of 29	Within
Poland Village	none detected	none detected	0 of 29	Within
Port Ewen Water District	none detected	none detected	0 of 29	Within
Port Jervis City	none detected	none detected	0 of 29	Within
Porter Master Improvement Area	none detected	none detected	0 of 29	Within
Potsdam Village	none detected	none detected	0 of 29	Within
Poughkeepsie City	none detected	none detected	0 of 29	Within
Poughkeepsie Townwide Wd	none detected	none detected	0 of 29	Within
Queensbury Water District	none detected	none detected	0 of 29	Within
Ravena Village	none detected	none detected	1 of 29	Within
Red House Water Supply - Asp	none detected	none detected	0 of 29	Within
Rensselaer City PWS	none detected	none detected	0 of 29	Within
Rhinebeck Village Water	none detected	none detected	0 of 29	Within
Richland Town PWS	none detected	none detected	0 of 29	Within
Rochester City	none detected	none detected	0 of 29	Within
Rockville Centre (v)	none detected	none detected	0 of 29	Within
Rome City	none detected	none detected	0 of 29	Within
Rotterdam Wd #5	none detected	none detected	0 of 29	Within
Royalton Townwide Water Dist.	none detected	none detected	0 of 29	Within
Salamanca City	none detected	none detected	1 of 29	Within
Saranac Lake V	none detected	none detected	0 of 29	Within
Saratoga Springs City (geyser Crest)	none detected	none detected	0 of 29	Within
Saratoga Springs City, Ny	none detected	none detected	2 of 29	Within
Saratoga Water Services	none detected	none detected	0 of 29	Within
Saugerties (village) Water Dis	none detected	none detected	0 of 29	Within
Scarsdale Water Department	none detected	none detected	0 of 29	Within
Schenectady City Water Works	none detected	none detected	0 of 29	Within
Scriba Wd (oswego)	none detected	none detected	0 of 29	Within
Sea Breeze Wd	none detected	none detected	0 of 29	Within
Seneca Falls	none detected	none detected	0 of 29	Within
Skaneateles Wds	none detected	none detected	0 of 29	Within
Sleepy Hollow (village)	none detected	none detected	0 of 29	Within
Smithtown Water District	none detected	none detected	0 of 29	Within
Sodus-huron-wolcott-butler Csa	none detected	none detected	1 of 29	Within
South Farmingdale Wd	none detected	none detected	0 of 29	Within
South Glens Falls Village	none detected	none detected	0 of 29	Within
South Huntington Water District	none detected	none detected	0 of 29	Within
Springville Village	none detected	none detected	0 of 29	Within
Stockbridge Water District	none detected	none detected	0 of 29	Within
Suez Water of Owego	none detected	none detected	0 of 29	Within
Suez Water Westchester, Inc. Rd-1	none detected	none detected	0 of 29	Within
Syracuse City	none detected	none detected	0 of 29	Within
Tarrytown Water Supply	none detected	none detected	0 of 29	Within
Ticonderoga Wd	none detected	none detected	1 of 29	Within
Tioga Downs	none detected	none detected	0 of 29	Within
Tonawanda, Town Water Dept.	none detected	none detected	0 of 29	Within
Town of Hempstead Water Department	none detected	none detected	1 of 29	Within
Troy City Pws, Ny	none detected	none detected	0 of 29	Within
Tupper Lake V	none detected	none detected	0 of 29	Within
U.s.m.a. - Lusk System	none detected	none detected	0 of 29	Within
U.s.m.a. - Stoney Lonesome Sys	none detected	none detected	0 of 29	Within
Ulster Water District	none detected	none detected	0 of 29	Within
Unatego Jr.-sr. High School	none detected	none detected	0 of 29	Within
United Wappinger Water Improvement Dist.	none detected	none detected	2 of 29	Within
Vestal Consolidated W.d. #1	none detected	none detected	3 of 29	Within
Wa of Great Neck North	none detected	none detected	0 of 29	Within
Walden Village	none detected	none detected	0 of 29	Within
Wallkill Consolidated Wd	none detected	none detected	2 of 25	Within
Wallkill/shawangunk Correction	none detected	none detected	0 of 29	Within
Wappingers Falls Village	none detected	none detected	0 of 29	Within
Warrensburg Water District	none detected	none detected	0 of 29	Within
Warsaw Village	none detected	none detected	0 of 29	Within
Warwick Village	none detected	none detected	0 of 29	Within
Washingtonville Village	none detected	none detected	0 of 29	Within
Waterford Water Works (purchase Troy)	none detected	none detected	2 of 29	Within
Waterloo Village	none detected	none detected	0 of 29	Within
Watervliet City	none detected	none detected	0 of 29	Within
Wellsville Village Public Water	none detected	none detected	1 of 29	Within
West Hempstead Wd	none detected	none detected	0 of 29	Within
Westchester County Wd #3	none detected	none detected	0 of 29	Within
Westchester Joint Water Works	none detected	none detected	0 of 29	Within
Westfield Village and Town	none detected	none detected	0 of 29	Within
Wheatfield Wd	none detected	none detected	0 of 29	Within
White Plains City	none detected	none detected	0 of 29	Within
Williamson Town Wd	none detected	none detected	0 of 29	Within
Willsboro Wd	none detected	none detected	0 of 29	Within
Wilson Town Water District	none detected	none detected	0 of 29	Within
Wilton Water & Sewer Authority	none detected	none detected	0 of 29	Within
Windham Mountain Village	none detected	none detected	0 of 29	Within
Woodbury Cons. W.d.	none detected	none detected	1 of 29	Within
Woodridge Village	none detected	none detected	0 of 29	Within
Yonkers City	none detected	none detected	0 of 29	Within

All 334 systems the EPA tested in New York, 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 →