PFAS in Kentucky tap water

30 of 231 tested systems measured above the federal limit. 87 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
Harrison Co Water Assoc	none detected	47.9 ppt	7 of 29	Above
Cynthiana Municipal Water Works	none detected	37 ppt	5 of 29	Above
Georgetown Municipal Water Service	9.3 ppt	12 ppt	8 of 29	Above
Sturgis Water Works	10.8 ppt	none detected	4 of 29	Above
Whitley Co Water District	10 ppt	4.6 ppt	6 of 29	Above
Cumberland Falls Highway Water District	8.6 ppt	none detected	6 of 29	Above
Union County Water District	8.6 ppt	none detected	3 of 29	Above
Paducah Water Works	5.8 ppt	8.1 ppt	5 of 29	Above
Louisville Water Company	7.5 ppt	none detected	4 of 29	Above
Crittenden-livingston Co Water District	none detected	7.3 ppt	2 of 29	Above
Mt Washington Water Company	7.2 ppt	none detected	2 of 29	Above
Cannonsburg Water District	6.8 ppt	none detected	2 of 29	Above
Corbin Utilities Commission	6.7 ppt	none detected	5 of 29	Above
Flatwoods Water Company	6.5 ppt	none detected	3 of 29	Above
North Mclean Co Water District	6.5 ppt	none detected	1 of 29	Above
Taylorsville Water Works	6.5 ppt	none detected	2 of 29	Above
Hardin County Water District #2	6.2 ppt	5.3 ppt	7 of 29	Above
Ledbetter Water District	4.3 ppt	6.2 ppt	3 of 29	Above
North Nelson Water District	5.7 ppt	none detected	3 of 29	Above
Whitesville Water Works	5.6 ppt	none detected	1 of 29	Above
Beattyville Water Works	5.4 ppt	5.4 ppt	6 of 29	Above
Grand Rivers Water System	none detected	5.2 ppt	2 of 29	Above
Buffalo Trail Water Assoc	5 ppt	4.2 ppt	5 of 29	Above
E Daviess Co Water Assoc Inc	5 ppt	none detected	1 of 29	Above
Owensboro Municipal Utilities	5 ppt	none detected	1 of 29	Above
S E Daviess Co Water District	5 ppt	none detected	1 of 29	Above
West Shelby Water District	4.6 ppt	none detected	1 of 29	Above
Lyon County Water District	none detected	4.4 ppt	2 of 29	Above
East Pendleton Water District	4.1 ppt	none detected	8 of 29	Above
North Shelby Water District	4.1 ppt	none detected	1 of 29	Above
Adairville Water Works	none detected	none detected	0 of 29	Within
Albany Water Works	none detected	none detected	0 of 29	Within
Allen County Water District	none detected	none detected	0 of 29	Within
Arlington Water Department	none detected	none detected	0 of 29	Within
Ashland Water Works	none detected	none detected	1 of 29	Within
Barbourville Utilities	none detected	none detected	1 of 29	Within
Bardstown Municipal Water Dept	none detected	none detected	0 of 29	Within
Barkley Lake Water District	none detected	none detected	0 of 29	Within
Bath County Water District	none detected	none detected	1 of 29	Within
Beaver Dam Municipal Water & Sewer	none detected	none detected	0 of 29	Within
Benham Water Plant	none detected	none detected	0 of 29	Within
Benton Water & Sewer	none detected	none detected	0 of 29	Within
Berea Municipal Utilities	none detected	none detected	0 of 29	Within
Big Sandy Water District	none detected	none detected	3 of 29	Within
Bloomfield Water & Sewer Dept	none detected	none detected	1 of 29	Within
Boone Co Water & Sewer District	none detected	none detected	1 of 29	Within
Booneville Water and Sewer	none detected	none detected	0 of 29	Within
Bowling Green Municipal Utilities	none detected	none detected	0 of 29	Within
Bracken County Water District	none detected	none detected	2 of 29	Within
Brandenburg Water Works	none detected	none detected	0 of 29	Within
Breathitt Co Water District	none detected	none detected	0 of 29	Within
Bronston Water Associaton Inc	none detected	none detected	0 of 29	Within
Bullock Pen Water District	none detected	none detected	2 of 29	Within
Butler County Water System Inc	none detected	none detected	1 of 29	Within
Cadiz Municipal Water Co	none detected	none detected	4 of 29	Within
Caldwell County Water District	none detected	none detected	2 of 29	Within
Calvert City Municipal Water Department	none detected	none detected	0 of 29	Within
Campbellsville Municipal Water	none detected	none detected	0 of 29	Within
Campton Water System	none detected	none detected	0 of 29	Within
Carroll Co Water District #1	none detected	none detected	0 of 29	Within
Carrollton Utilities	none detected	none detected	2 of 29	Within
Caveland Environmental Authority, Inc.	none detected	none detected	0 of 29	Within
Cawood Water District	none detected	none detected	0 of 29	Within
Central City Water & Sewer	none detected	none detected	0 of 29	Within
Christian Co Water District	none detected	none detected	0 of 29	Within
City of South Shore Water Works	none detected	none detected	1 of 29	Within
Columbia/adair Utilities District	none detected	none detected	0 of 29	Within
Cumberland Co Water District	none detected	none detected	0 of 29	Within
Cumberland Municipal Water Works	none detected	none detected	0 of 29	Within
Danville City Water Works	none detected	none detected	0 of 29	Within
Dawson Springs Water & Sewer	none detected	none detected	0 of 29	Within
East Casey Co Water District	none detected	none detected	0 of 29	Within
East Clark Co Water District	none detected	none detected	0 of 29	Within
East Laurel Water District	none detected	none detected	1 of 29	Within
East Logan Water District	none detected	none detected	0 of 29	Within
Eddyville Water Department	none detected	none detected	0 of 29	Within
Edmonson Co Water District	none detected	none detected	0 of 29	Within
Edmonton Water Works	none detected	none detected	0 of 29	Within
Estill Co Water District	none detected	none detected	0 of 29	Within
Eubank Water System	none detected	none detected	0 of 29	Within
Falmouth Water Department	none detected	none detected	0 of 29	Within
Farmdale Water District	none detected	none detected	3 of 29	Within
Fleming Co Water Association	none detected	none detected	0 of 29	Within
Flemingsburg Utility System	none detected	none detected	0 of 29	Within
Florence Water & Sewer	none detected	none detected	0 of 29	Within
Frankfort Plant Board	none detected	none detected	1 of 29	Within
Franklin Water Works, Ky	none detected	none detected	1 of 29	Within
Frenchburg Water Company	none detected	none detected	0 of 29	Within
Fulton Municipal Water System	none detected	none detected	0 of 29	Within
Gallatin County Water District	none detected	none detected	0 of 29	Within
Garrard Co Water Assoc Inc	none detected	none detected	0 of 29	Within
Glasgow Water Company	none detected	none detected	0 of 29	Within
Graves Co Water Dist - Consumers	none detected	none detected	0 of 29	Within
Graves Co Water Dist - Hickory	none detected	none detected	0 of 29	Within
Grayson County Water District	none detected	none detected	0 of 29	Within
Grayson Utility Commission	none detected	none detected	0 of 29	Within
Green River Valley Water District	none detected	none detected	0 of 29	Within
Green Taylor Water District	none detected	none detected	0 of 29	Within
Greenup Water System	none detected	none detected	0 of 29	Within
Greenville Utilities Commission	none detected	none detected	1 of 29	Within
Hardin Co. Water Dist #1/ft. Knox	none detected	none detected	0 of 29	Within
Hardin County Water District #1	none detected	none detected	0 of 29	Within
Hardinsburg Ro WTP	none detected	none detected	0 of 29	Within
Harlan Municipal Water Works	none detected	none detected	0 of 29	Within
Harrodsburg Municipal Water Department	none detected	none detected	0 of 29	Within
Hazard Water Department	none detected	none detected	0 of 29	Within
Henderson County Water District	none detected	none detected	0 of 29	Within
Henderson Water Utility/north	none detected	none detected	0 of 29	Within
Henry County Water District #2	none detected	none detected	0 of 29	Within
Hickman Water Department	none detected	none detected	0 of 29	Within
Hodgenville Water Works	none detected	none detected	0 of 29	Within
Hopkinsville Water Environment Authority	none detected	none detected	3 of 29	Within
Hustonville Water Works	none detected	none detected	0 of 29	Within
Hyden Leslie Co Water District	none detected	none detected	0 of 29	Within
Irvine Municipal Utilities	none detected	none detected	0 of 29	Within
Jackson Co Water Association	none detected	none detected	0 of 29	Within
Jackson Municipal Water Works	none detected	none detected	0 of 29	Within
Jamestown Municipal Water Works	none detected	none detected	0 of 29	Within
Jeffersonville Water System	none detected	none detected	0 of 29	Within
Jessamine Co Water District #1	none detected	none detected	0 of 29	Within
Jessamine S Elkhorn Water Dist	none detected	none detected	0 of 29	Within
Jonathan Creek Water District	none detected	none detected	0 of 29	Within
Judy Water Association	none detected	none detected	0 of 29	Within
Kentucky-american Water Co	none detected	none detected	5 of 29	Within
Kirksville Water Association	none detected	none detected	1 of 29	Within
Knott Co Water & Sewer District	none detected	none detected	0 of 29	Within
Knox County Utility Commission	none detected	none detected	0 of 29	Within
Lagrange Utilities Commission	none detected	none detected	0 of 29	Within
Lake Village Water Association	none detected	none detected	3 of 29	Within
Lancaster Water Works	none detected	none detected	0 of 29	Within
Larue County Water District #1	none detected	none detected	0 of 29	Within
Laurel Co Water District #2	none detected	none detected	1 of 29	Within
Lawrenceburg Water & Sewer Dept	none detected	none detected	2 of 29	Within
Lebanon Water Works Co Inc	none detected	none detected	0 of 29	Within
Leitchfield Water Works	none detected	none detected	0 of 29	Within
Levee Rd Water Association Inc	none detected	none detected	0 of 29	Within
Livingston Municipal Water Works	none detected	none detected	1 of 29	Within
London Utility Commission	none detected	none detected	1 of 29	Within
Louisa Water Department	none detected	none detected	0 of 29	Within
Madison Co Utilities District	none detected	none detected	0 of 29	Within
Madisonville Light & Water	none detected	none detected	1 of 29	Within
Magoffin County Water District	none detected	none detected	0 of 29	Within
Mammoth Cave/central System	none detected	none detected	0 of 29	Within
Manchester Water Works, Ky	none detected	none detected	1 of 29	Within
Marion County Water District	none detected	none detected	0 of 29	Within
Martin Co Water District #1	none detected	none detected	0 of 29	Within
Mayfield Electric & Water	none detected	none detected	0 of 29	Within
Maysville Utility Commission	none detected	none detected	1 of 29	Within
Mccreary County Water District	none detected	none detected	1 of 29	Within
Mckinney Water District	none detected	none detected	0 of 29	Within
Meade County Water District	none detected	none detected	0 of 29	Within
Milton Water & Sewer Department	none detected	none detected	0 of 29	Within
Monroe County Water District	none detected	none detected	0 of 29	Within
Monticello Water & Sewer Commission	none detected	none detected	0 of 29	Within
Morehead State University	none detected	none detected	0 of 29	Within
Morehead Utility Plant Board	none detected	none detected	0 of 29	Within
Morgan County Water District	none detected	none detected	0 of 29	Within
Morganfield Water Works	none detected	none detected	2 of 29	Within
Mountain Water Dist	none detected	none detected	0 of 29	Within
Mt Sterling Water Works	none detected	none detected	0 of 29	Within
Mt Vernon Water Works	none detected	none detected	0 of 29	Within
Muhlenberg Co Water District	none detected	none detected	0 of 29	Within
Muhlenberg Co Water District #3	none detected	none detected	2 of 29	Within
Murray Water System	none detected	none detected	0 of 29	Within
Nebo Water District	none detected	none detected	1 of 29	Within
Nicholas Co Water District	none detected	none detected	1 of 29	Within
Nicholasville Water Department	none detected	none detected	0 of 29	Within
North Hopkins Water District	none detected	none detected	1 of 29	Within
North Manchester Water Assoc	none detected	none detected	0 of 29	Within
North Marshall Water District #1	none detected	none detected	0 of 29	Within
North Mercer Water District	none detected	none detected	2 of 29	Within
Northern Kentucky Water District	none detected	none detected	1 of 29	Within
Oak Grove Utilities Office	none detected	none detected	1 of 29	Within
Ohio County Water District	none detected	none detected	0 of 29	Within
Oldham County Water District	none detected	none detected	0 of 29	Within
Olive Hill Municipal Water Works	none detected	none detected	0 of 29	Within
Paintsville Municipal Water Works	none detected	none detected	0 of 29	Within
Paris Water Works	none detected	none detected	4 of 29	Within
Parksville Water District	none detected	none detected	4 of 29	Within
Pendleton Co Water District #1/south	none detected	none detected	4 of 29	Within
Pikeville Water Department	none detected	none detected	0 of 29	Within
Pineville Water System	none detected	none detected	0 of 29	Within
Powell Valley Water District	none detected	none detected	0 of 29	Within
Prestonsburg City Utilities	none detected	none detected	0 of 29	Within
Princeton Water & Sewer Commission	none detected	none detected	0 of 29	Within
Providence Water Works	none detected	none detected	1 of 29	Within
Rattlesnake Ridge Water District	none detected	none detected	0 of 29	Within
Richmond Utilities	none detected	none detected	0 of 29	Within
Rowan Water Inc	none detected	none detected	0 of 29	Within
Russell Springs Water & Sewer	none detected	none detected	1 of 29	Within
Russell Water Company	none detected	none detected	0 of 29	Within
Russellville Mun Water Works	none detected	none detected	1 of 29	Within
Sandy Hook Water District	none detected	none detected	0 of 29	Within
Science Hill Water Works	none detected	none detected	0 of 29	Within
Scottsville Water Department	none detected	none detected	0 of 29	Within
Sebree Water Department	none detected	none detected	0 of 29	Within
Sharpsburg Water District	none detected	none detected	2 of 29	Within
Shelbyville Water & Sewer Commission	none detected	none detected	1 of 29	Within
Simpson County Water District	none detected	none detected	1 of 29	Within
So Anderson Water District	none detected	none detected	1 of 29	Within
So Woodford Co Water District	none detected	none detected	1 of 29	Within
Somerset Water Service	none detected	none detected	0 of 29	Within
South Hopkins Water District	none detected	none detected	1 of 29	Within
South Logan Water Association	none detected	none detected	0 of 29	Within
Southeastern Water Assoc/nelson Valley	none detected	none detected	0 of 29	Within
Southern Madison Water District	none detected	none detected	0 of 29	Within
Southern Water & Sewer District	none detected	none detected	0 of 29	Within
Springfield Water Works	none detected	none detected	0 of 29	Within
Stanford Water Works	none detected	none detected	0 of 29	Within
Stanton Water Works	none detected	none detected	0 of 29	Within
Todd County Water District	none detected	none detected	1 of 29	Within
Trimble Co Water District #1	none detected	none detected	0 of 29	Within
US 60 Water District	none detected	none detected	0 of 29	Within
Vanceburg Electric Plant Board	none detected	none detected	0 of 29	Within
Versailles Water System	none detected	none detected	2 of 29	Within
Vine Grove Water Department	none detected	none detected	0 of 29	Within
Walton Waterworks Department	none detected	none detected	2 of 29	Within
Warren County Water District	none detected	none detected	0 of 29	Within
Water Service Corporation of Kentucky	none detected	none detected	0 of 29	Within
Webster Co Water District	none detected	none detected	0 of 29	Within
West Laurel Water Assoc Inc	none detected	none detected	0 of 29	Within
Western Fleming Water District	none detected	none detected	3 of 29	Within
Western Lewis Rectorville Water District	none detected	none detected	1 of 29	Within
Western Pulaski Co Water District	none detected	none detected	0 of 29	Within
Western Rockcastle Water Assoc	none detected	none detected	0 of 29	Within
Whitesburg Water Works	none detected	none detected	0 of 29	Within
Williamsburg Water Department	none detected	none detected	0 of 29	Within
Williamstown Municipal Water Dept	none detected	none detected	0 of 29	Within
Wilmore Water Works	none detected	none detected	2 of 29	Within
Winchester Municipal Utilities	none detected	none detected	0 of 29	Within
Wood Creek Water District	none detected	none detected	1 of 29	Within

All 231 systems the EPA tested in Kentucky, 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 →