Kentucky tap water, by utility.

231 utilities with a full report, serving 4.8 million people as they report it. Regulated PFAS turned up at 40 of them.

Kentucky utilities by population served
Utility	Based in	Serves	Regulated PFAS	Health-based violations since 2016
Louisville Water Company	Louisville	806,997	PFOA, PFBS	0
Kentucky - American Water Co	Lexington	669,042	PFBS	0
Northern Kentucky Water District	Ft. Thomas	259,949	None found	0
Warren County Water District	Bowling Green	91,118	None found	0
Hardin County Water District #2	Elizabethtown	76,326	PFOA, PFOS, PFNA, PFBS	0
Boone Co Water & Sewer District	Burlington	66,300	None found	0
Paducah Water Works	Paducah	65,004	PFOA, PFOS, PFBS	0
Owensboro Municipal Utilities	Owensboro	60,473	PFOA	0
Bowling Green Municipal Utilities	Bowling Green	53,601	None found	0
Frankfort Plant Board	Frankfort	52,153	None found	0
Georgetown Municipal Water Service	Georgetown	44,608	PFOA, PFOS, PFHxS, PFBS	0
Ashland Water Works	Ashland	44,402	None found	6
Mountain Water Dist	Pikeville	44,057	None found	27
Hopkinsville Water Environment Authority	Hopkinsville	41,350	None found	0
Oldham County Water District	Buckner	38,409	None found	0
Glasgow Water Company	Glasgow	36,766	None found	0
Richmond Utilities	Richmond	35,640	None found	1
Nicholasville Water Department	Nicholasville	35,266	None found	1
McCreary County Water District	Whitley City	34,439	None found	0
Daviess Co Water District	Owensboro	33,655	PFOA	0
Meade County Water District	Bradenburg	33,313	None found	3
Danville City Water Works	Danville	32,600	None found	3
Henderson Water Utility/North	Henderson	31,705	None found	0
Franklin Water Works	Franklin	31,602	None found	0
Bardstown Municipal Water Dept	Bardstown	31,185	None found	1
Hardin County Water District #1	Radcliff	30,230	None found	0
Winchester Municipal Utilities	Winchester	29,823	None found	0
Somerset Water Service	Somerset	29,700	None found	0
Florence Water & Sewer	Florence	29,351	None found	0
Madisonville Light & Water	Sedalia	28,102	None found	5
Prestonsburg City Utilities	Prestonsburg	26,788	None found	1
Hazard Water Department	Hazard	26,730	None found	4
Murray Water System	Murray	26,302	None found	0
Madison Co Utilities District	Richmond	25,120	None found	1
Campbellsville Municipal Water	Campbellsville	24,874	None found	0
Paintsville Municipal Water Works	Paintsville	24,354	None found	3
Shelbyville Water & Sewer Commission	Shelbyville	23,760	None found	1
MT Washington Water Company	MT Washington	23,760	PFOA	0
Hardin Co. Water Dist #1/Ft. Knox	Radcliff	23,600	None found	0
Western Pulaski Co Water District	Somerset	23,264	None found	1
Taylorsville Water Works	Taylorsville	22,286	PFOA	0
Columbia/Adair Utilities District	Campbellsville	22,113	None found	1
Fort Campbell	Fort Campbell	22,000	Not sampled	0
Southeastern Water Assoc/Nelson Valley	Somerset	21,895	None found	0
Monticello Water & Sewer Commission	Monticello	21,000	None found	1
Bullock Pen Water District	Crittenden	20,048	None found	2
Grayson County Water District	Leitchfield	20,033	None found	3
Rowan Water Inc	Morehead	18,765	None found	3
Hardinsburg Ro WTP	Hardinsburg	18,437	None found	0
Edmonson Co Water District	Brownsville	17,848	None found	13
Versailles Water System	Versailles	17,822	None found	2
Henry County Water District #2	Campbellsburg	17,716	None found	0
Henderson County Water District	Henderson	17,447	None found	2
Green River Valley Water District	Horse Cave	17,431	None found	0
Christian Co Water District	Hopkinsville	17,248	None found	0
Laurel Co Water District #2	London	16,899	None found	0
Muhlenberg Co Water District	Greenville	16,845	None found	12
Harrison Co Water Association	Cynthiana	16,736	PFOS, PFHxS, PFBS	2
Pineville Water System	Pineville	16,573	None found	0
Ohio County Water District	Hartford	16,511	None found	2
Barbourville Utilities	Barbourville	16,420	None found	1
Allen County Water District	Scottsville	16,398	None found	2
MT Sterling Water Works	MT Sterling	16,391	None found	2
Marion County Water District	Lebanon	16,311	None found	0
North Marshall Water District #1	Benton	16,276	None found	0
Corbin Utilities Commission	Corbin	16,065	PFOA, PFBS	0
East Laurel Water District	London	16,062	None found	0
Green Taylor Water District	Grennsburg	15,497	None found	0
Southern Water & Sewer District	McDoqwell	15,110	None found	14
Wood Creek Water District	London	14,892	None found	0
West Laurel Water Assoc Inc	London	14,878	None found	0
Garrard Co Water Assoc Inc	Lancaster	14,806	None found	0
Lawrenceburg Water & Sewer Dept	Lawrenceburg	14,748	None found	2
Southern Madison Water District	Berea	14,707	None found	0
North Shelby Water District	Bagdad	14,660	PFOA	0
Barkley Lake Water District	Cadiz	14,284	None found	0
Butler County Water System Inc	Bowling Green	14,256	None found	0
Paris Water Works	Paris	14,139	PFBS	8
Jackson Co Water Association	McKee	13,629	None found	0
North Nelson Water District	Coxs Creek	13,365	PFOA, PFBS	0
Springfield Water Works	Springfield	13,205	None found	0
Big Sandy Water District	Catlettsburg	13,044	HFPO-DA, PFBS	20
Western Rockcastle Water Assoc	MT Vernon	12,623	None found	0
Eubank Water System	Eubank	12,492	None found	6
East Casey Co Water District	Liberty	12,460	None found	2
Mayfield Electric & Water	Mayfield	12,379	None found	0
Greenup Water System	Greenup	12,193	None found	12
Water Service Corporation of Kentucky	Middlesboro	12,022	None found	0
E Daviess Co Water Assoc Inc	Knottsville	11,997	PFOA	3
Rattlesnake Ridge Water District	Grayson	11,397	None found	5
Manchester Water Works	Manchester	11,349	PFHxS	1
Maysville Utility Commission	Maysville	11,263	None found	1
Grayson Utility Commission	Grayson	10,950	None found	0
Bath County Water District	Salt Lick	10,083	None found	2
Lagrange Utilities Commission	Lagrange	10,067	None found	0
Berea Municipal Utilities	Berea	9,972	None found	0
Whitley Co Water District	Williamsburg	9,825	PFOA, PFOS, PFBS	9
Todd County Water District	Elkton	9,801	None found	0
North Mercer Water District	Salvisa	9,775	None found	3
Fleming Co Water Association	Flemingsburg	9,693	None found	0
Flatwoods Water Company	Flatwoods	9,649	PFOA, PFBS	6
Pikeville Water Department	Pikeville	9,638	None found	12
Hyden Leslie Co Water District	Hyden	9,614	None found	1
Monroe County Water District	Tompkinville, KY	9,608	None found	4
Crittenden - Livingston Co Water District	Salem	9,571	PFOS	1
Estill Co Water District	Irvine,	9,501	None found	1
Cumberland Falls Highway Water District	Corbin	9,498	PFOA, PFBS	3
Russell Springs Water & Sewer	Russell Springs	9,409	None found	3
Stanford Water Works	Stanford	9,284	None found	1
Larue County Water District #1	Hodgenville	9,062	None found	5
East Logan Water District	Russellvile	9,060	None found	2
Morehead Utility Plant Board	Morehead	9,052	None found	1
Albany Water Works	Albany	9,042	None found	6
Martin Co Water District #1	Inez	9,003	None found	14
Cannonsburg Water District	Ashland	8,953	PFOA, PFBS	3
Simpson County Water District	Bowling Green	8,946	None found	0
Magoffin County Water District	Salyersville	8,925	None found	8
London Utility Commission	London	8,855	None found	1
Jessamine S Elkhorn Water Dist	Nicholasville	8,826	None found	6
Oak Grove Utilities Office	Oak Grove	8,762	None found	0
Russellville Mun Water Works	Russellville	8,613	None found	0
Edmonton Water Works	Edmonton	8,515	None found	7
South Hopkins Water District	Dawson Springs, KY 42408	8,440	None found	1
Leitchfield Water Works	Leitchfield	8,438	None found	0
Beattyville Water Works	Beattyville	8,428	PFOA, PFOS, PFBS	2
So Anderson Water District	Lawrenceburg	8,417	None found	2
Knox County Utility Commission	Barbourville	8,313	None found	2
Harrodsburg Municipal Water Department	Harrodsburg	8,310	None found	0
Louisa Water Department	Louisa	8,236	None found	0
Farmdale Water District	Frankfort	8,203	None found	0
Benton Water & Sewer	Benton	7,981	None found	0
US 60 Water District	Bagdad	7,892	None found	0
Lebanon Water Works Co Inc	Lebanon	7,642	None found	1
Morgan County Water District	West Liberty	7,502	None found	6
Jamestown Municipal Water Works	Jamestown	7,402	None found	6
East Clark Co Water District	Winchester	7,366	None found	5
Cynthiana Municipal Water Works	Cynthiana	7,263	PFOS, PFHxS	0
Jonathan Creek Water District	Benton	7,182	None found	0
Powell Valley Water District	Clay City	7,128	None found	0
Cumberland Co Water District	Burkesville	7,099	None found	3
Muhlenberg Co Water District #3	Bremen	7,075	None found	0
Knott Co Water & Sewer District	Vicco	7,056	None found	2
Princeton Water & Sewer Commission	Princeton	7,007	None found	1
West Shelby Water District	Simpsonville	6,994	PFOA	1
Vanceburg Electric Plant Board	Vanceburg	6,921	None found	0
Scottsville Water Department	Scottsville	6,864	None found	0
Lake Village Water Association	Burgin	6,855	None found	1
Carrollton Utilities	Carrollton	6,851	PFHxS, PFBS	0
Jessamine Co Water District #1	Nicholasville	6,831	None found	15
City of South Shore Water Works	South Shore	6,798	None found	0
Lyon County Water District	Kuttawa	6,744	PFOS	10
Vine Grove Water Department	Vine Grove	6,703	None found	1
Stanton Water Works	Stanton	6,611	None found	1
Campton Water System	Campton	6,600	None found	9
Western Lewis Rectorville Water District	Maysville	6,534	HFPO-DA	0
Morehead State University	Morehead	6,500	None found	0
Bracken County Water District	Brooksville	6,456	PFHxS, PFBS	0
Olive Hill Municipal Water Works	Olive Hill	6,192	None found	9
Cadiz Municipal Water Co	Cadiz	6,165	None found	0
Union County Water District	Morganfield	6,117	PFOA, PFBS	28
Caldwell County Water District	Princeton	6,000	None found	5
Kirksville Water Association	Richmond	5,940	None found	0
Science Hill Water Works	Science Hill	5,940	None found	0
Webster Co Water District	Dixon	5,940	None found	1
Carroll Co Water District #1	Ghent	5,934	None found	0
Gallatin County Water District	Sparta	5,860	None found	0
Bloomfield Water & Sewer Dept	Bloomfield	5,771	None found	2
Wilmore Water Works	Wilmore	5,762	None found	2
Irvine Municipal Utilities	Irvine	5,649	None found	6
Greenville Utilities Commission	Greenville	5,649	None found	3
Central City Water & Sewer	Central City	5,601	None found	0
Williamsburg Water Department	Williamsburg	5,554	None found	0
Judy Water Association	MT. Sterling	5,539	None found	2
East Pendleton Water District	Falmouth	5,515	PFOA, PFHxS, PFBS	4
Williamstown Municipal Water Dept	Dry Ridge	5,495	None found	4
McKinney Water District	McKinney	5,423	None found	9
Hustonville Water Works	Hustonville	5,420	None found	1
Frenchburg Water Company	Frenchburg	5,401	None found	4
Booneville Water and Sewer	Booneville	5,346	None found	2
Jeffersonville Water System	Jeffersonville	5,335	None found	0
North Manchester Water Assoc	Manchester	5,332	None found	6
South Logan Water Association	Adairville	5,198	None found	4
Russell Water Company	Russell	5,181	None found	2
Morganfield Water Works	Morganfield	5,170	None found	5
Bronston Water Associaton Inc	Bronston	5,114	None found	0
Breathitt Co Water District	Jackson	5,068	None found	4
Graves Co Water Dist - Consumers	Mayfield	5,016	None found	1
Mammoth Cave/Central System	Cave City	5,000	None found	0
MT Vernon Water Works	Brodhead	4,951	None found	0
Jackson Municipal Water Works	Jackson	4,704	None found	5
Nebo Water District	Nebo	4,702	None found	9
Fulton Municipal Water System	Fulton	4,662	None found	1
Hodgenville Water Works	Magnolia	4,629	None found	5
Flemingsburg Utility System	Flemingsburg	4,583	None found	0
Harlan Municipal Water Works	Harlan	4,574	None found	1
Lancaster Water Works	Lancaster	4,573	None found	0
Providence Water Works	Providence	4,538	None found	38
Buffalo Trail Water Assoc	Mayslick	4,514	PFOA, PFOS	1
Cawood Water District	Cawood	4,428	None found	1
Calvert City Municipal Water Department	Calvert City	4,381	None found	0
Sharpsburg Water District	Sharpsburg	4,332	None found	16
Western Fleming Water District	Ewing	4,262	None found	0
Parksville Water District	Parksville	4,261	PFBS	3
So Woodford Co Water District	Frankfort	4,218	PFBS	0
Walton Waterworks Department	Walton	4,173	HFPO-DA	0
Trimble Co Water District #1	Bedford	4,146	None found	0
Nicholas Co Water District	Calisle	4,089	None found	12
Graves Co Water Dist - Hickory	Mayfield	4,069	None found	0
Grand Rivers Water System	Grand Rivers	3,980	PFOS	0
Beaver Dam Municipal Water & Sewer	Beaver Dam	3,901	None found	1
Whitesburg Water Works	Whitesburg	3,861	None found	4
Falmouth Water Department	Falmouth	3,861	None found	0
Milton Water & Sewer Department	Milton	3,861	None found	0
Eddyville Water Department	Eddyville	3,843	None found	0
North Hopkins Water District	Madisonville	3,725	None found	8
Pendleton Co Water District #1/South	Falmouth	3,713	None found	1
Whitesville Water Works	Whitesville	3,672	PFOA	0
Sandy Hook Water District	Sandy Hook	3,528	None found	0
Sturgis Water Works	Sturgis	3,490	PFOA, PFBS	9
Caveland Environmental Authority, Inc.	Cave City	3,264	None found	0
Hickman Water Department	Hickman	3,191	None found	1
North McLean Co Water District	Livermore	2,934	PFOA	1
Brandenburg Water Works	Brandenburg	2,880	None found	0
Cumberland Municipal Water Works	Cumberland	2,843	None found	4
Ledbetter Water District	Ledbetter	2,729	PFOA, PFOS	1
Dawson Springs Water & Sewer	Dawson Springs	2,631	None found	0
Levee Rd Water Association Inc	MT Sterling	2,471	None found	6
Sebree Water Department	Sebree	1,743	None found	1
Benham Water Plant	Benham	855	None found	2
Adairville Water Works	Auburn	787	None found	0
Arlington Water Department	Arlington	301	None found	0
Utilities EPA sampled under UCMR 5, plus any other community system serving 3,300 people or more. Smaller systems appear in ZIP code results. Data: EPA SDWIS 2026 Q2 and UCMR 5.