Drinking water / KY
PFAS in Kentucky drinking water
231 Kentucky public water systems tested under UCMR5. 87 detected at least one PFAS compound; 144 detected none at the reporting thresholds. Values are the highest single result per compound, in ng/L (parts per trillion). The federal limit for PFOA and PFOS is 4 ng/L.
| Water system | Serves | Highest results (ng/L) | Reading |
|---|---|---|---|
| BEATTYVILLE WATER WORKS KY0650024 | Lee | PFBA 7.8PFHxA 7PFOS 5.4 *PFOA 5.4 * | above final limit |
| BUFFALO TRAIL WATER ASSOC KY0810046 | Mason | 6:2 FTS 22PFBA 6.8PFPeA 5PFOA 5 * | above final limit |
| CANNONSBURG WATER DISTRICT KY0100064 | Boyd | PFOA 6.8 *PFBS 3.4 | above final limit |
| CORBIN UTILITIES COMMISSION KY1180085 | Whitley | PFPeA 18PFHxA 11PFOA 6.7 *PFBA 5.4 | above final limit |
| CRITTENDEN-LIVINGSTON CO WATER DISTRICT KY0700532 | Livingston | PFBA 8.3PFOS 7.3 * | above final limit |
| CUMBERLAND FALLS HIGHWAY WATER DISTRICT KY1180093 | Whitley | PFHxA 16PFPeA 10.6PFOA 8.6 *PFBA 6.9 | above final limit |
| CYNTHIANA MUNICIPAL WATER WORKS KY0490096 | Harrison | PFOS 37 *PFHxS 11PFPeA 7.1PFHxA 5.8 | above final limit |
| E DAVIESS CO WATER ASSOC INC KY0300109 | Daviess | PFOA 5 * | above final limit |
| EAST PENDLETON WATER DISTRICT KY0960112 | Pendleton | PFPeA 18.8PFHpA 13.9PFHxA 12.16:2 FTS 6.7 | above final limit |
| FLATWOODS WATER COMPANY KY0450132 | Greenup | PFOA 6.5 *PFBS 4PFHxA 3.2 | above final limit |
| GEORGETOWN MUNICIPAL WATER SERVICE KY1050157 | Scott | PFPeA 23PFHxA 14PFOS 12 *PFBA 11 | above final limit |
| GRAND RIVERS WATER SYSTEM KY0700162 | Livingston | PFBA 6PFOS 5.2 * | above final limit |
| HARDIN COUNTY WATER DISTRICT #2 KY0470175 | Hardin | PFPeA 7.4PFOA 6.2 *PFHxA 5.3PFOS 5.3 * | above final limit |
| HARRISON CO WATER ASSOC KY0490179 | Harrison | PFOS 47.9 *PFHxS 15.3PFPeA 13.4PFHxA 8.9 | above final limit |
| LEDBETTER WATER DISTRICT KY0700243 | Livingston | PFOS 6.2 *PFBA 5.8PFOA 4.3 * | above final limit |
| LOUISVILLE WATER COMPANY KY0560258 | Jefferson | PFOA 7.5 *PFPeA 4.1PFHxA 3.6PFBS 3 | above final limit |
| LYON COUNTY WATER DISTRICT KY0720933 | Lyon | PFBA 51.2PFOS 4.4 * | above final limit |
| MT WASHINGTON WATER COMPANY KY0150300 | Bullitt | PFOA 7.2 *PFPeA 4.1 | above final limit |
| NORTH MCLEAN CO WATER DISTRICT KY0300320 | Daviess | PFOA 6.5 * | above final limit |
| NORTH NELSON WATER DISTRICT KY0900323 | Nelson | PFOA 5.7 *PFPeA 4PFBS 3.7 | above final limit |
| NORTH SHELBY WATER DISTRICT KY1060324 | Shelby | PFOA 4.1 * | above final limit |
| OWENSBORO MUNICIPAL UTILITIES KY0300336 | Daviess | PFOA 5 * | above final limit |
| PADUCAH WATER WORKS KY0730533 | McCracken | PFOS 8.1 *PFBA 7.3PFOA 5.8 *PFPeA 4.6 | above final limit |
| S E DAVIESS CO WATER DISTRICT KY0300387 | Daviess | PFOA 5 * | above final limit |
| STURGIS WATER WORKS KY1130422 | Union | PFOA 10.8 *PFPeA 4PFBS 3.4PFHxA 3.1 | above final limit |
| TAYLORSVILLE WATER WORKS KY1080425 | Spencer | PFOA 6.5 *PFPeA 4.9 | above final limit |
| UNION COUNTY WATER DISTRICT KY1130433 | Union | PFOA 8.6 *PFBS 7.7PFPeA 6.2 | above final limit |
| WEST SHELBY WATER DISTRICT KY1060457 | Shelby | PFOA 4.6 * | above final limit |
| WHITESVILLE WATER WORKS KY0300467 | Daviess | PFOA 5.6 * | above final limit |
| WHITLEY CO WATER DISTRICT KY1180468 | Whitley | PFHxA 20PFPeA 12PFOA 10 *PFBA 7.3 | above final limit |
| ASHLAND WATER WORKS KY0100011 | Boyd | PFPeA 24 | detected |
| BARBOURVILLE UTILITIES KY0610016 | Knox | PFHxA 3.6 | detected |
| BATH COUNTY WATER DISTRICT KY0060022 | Bath | PFBA 5.8 | detected |
| BIG SANDY WATER DISTRICT KY0100944 | Boyd | HFPO-DA 25PFBS 3.7PFPeA 3.3 | detected |
| BLOOMFIELD WATER & SEWER DEPT KY0900031 | Nelson | PFBA 14 | detected |
| BOONE CO WATER & SEWER DISTRICT KY0080034 | Boone | PFPeA 3.1 | detected |
| BRACKEN COUNTY WATER DISTRICT KY0120039 | Bracken | PFHxS 5.5PFBS 3.1 | detected |
| BULLOCK PEN WATER DISTRICT KY0410047 | Grant | PFBA 7.2PFPeA 4 | detected |
| BUTLER COUNTY WATER SYSTEM INC KY0160052 | Butler | PFPeA 5.6 | detected |
| CADIZ MUNICIPAL WATER CO KY1110054 | Trigg | 6:2 FTS 11.5PFHxA 7.9PFPeA 6.3PFBA 5.8 | detected |
| CALDWELL COUNTY WATER DISTRICT KY0170528 | Caldwell | PFBA 30.6PFPeA 3.8 | detected |
| CARROLLTON UTILITIES KY0210067 | Carroll | PFHxS 12PFBS 4 | detected |
| CITY OF SOUTH SHORE WATER WORKS KY0450410 | Greenup | PFPeA 8.6 | detected |
| EAST LAUREL WATER DISTRICT KY0630797 | Laurel | PFBA 6.8 | detected |
| FARMDALE WATER DISTRICT KY0370128 | Franklin | 6:2 FTS 16.5PFPeA 4.9PFHxA 3.6 | detected |
| FRANKFORT PLANT BOARD KY0370143 | Franklin | 6:2 FTS 6.4 | detected |
| FRANKLIN WATER WORKS, KY KY1070144 | Simpson | PFBA 7.7 | detected |
| GREENVILLE UTILITIES COMMISSION KY0890170 | Muhlenberg | PFBA 5.3 | detected |
| HOPKINSVILLE WATER ENVIRONMENT AUTHORITY KY0240201 | Christian | 6:2 FTS 23PFHxA 5.5PFPeA 4.9 | detected |
| KENTUCKY-AMERICAN WATER CO KY0340250 | Fayette | 6:2 FTS 11.1PFPeA 5.2PFBA 5.2PFHxA 3.7 | detected |
| KIRKSVILLE WATER ASSOCIATION KY0760672 | Madison | PFBA 9.8 | detected |
| LAKE VILLAGE WATER ASSOCIATION KY0840587 | Mercer | 6:2 FTS 10.5PFPeA 7.6PFHxA 4.1 | detected |
| LAUREL CO WATER DISTRICT #2 KY0630238 | Laurel | PFHxA 3.9 | detected |
| LAWRENCEBURG WATER & SEWER DEPT KY0030239 | Anderson | 6:2 FTS 9.2PFPeA 3.1 | detected |
| LIVINGSTON MUNICIPAL WATER WORKS KY1020253 | Rockcastle | PFBA 14.7 | detected |
| LONDON UTILITY COMMISSION KY0630255 | Laurel | PFHxA 3.2 | detected |
| MADISONVILLE LIGHT & WATER KY0540936 | Hopkins | PFBA 6.8 | detected |
| MANCHESTER WATER WORKS, KY KY0260737 | Clay | PFHxS 7 | detected |
| MAYSVILLE UTILITY COMMISSION KY0810275 | Mason | PFPeA 8.3 | detected |
| MCCREARY COUNTY WATER DISTRICT KY0740276 | McCreary | PFBA 5.9 | detected |
| MORGANFIELD WATER WORKS KY1130293 | Union | PFPeA 8PFHxA 3 | detected |
| MUHLENBERG CO WATER DISTRICT #3 KY0890304 | Muhlenberg | PFBA 13.5PFPeA 3.8 | detected |
| NEBO WATER DISTRICT KY0540977 | Hopkins | PFBA 7.9 | detected |
| NICHOLAS CO WATER DISTRICT KY0910314 | Nicholas | 6:2 FTS 15 | detected |
| NORTH HOPKINS WATER DISTRICT KY0540138 | Hopkins | PFBA 6.3 | detected |
| NORTH MERCER WATER DISTRICT KY0840321 | Mercer | 6:2 FTS 10.8PFPeA 3.3 | detected |
| NORTHERN KENTUCKY WATER DISTRICT KY0590220 | Kenton | PFPeA 4.5 | detected |
| OAK GROVE UTILITIES OFFICE KY0240329 | Christian | PFBA 5.2 | detected |
| PARIS WATER WORKS KY0090343 | Bourbon | PFPeA 6.3PFBA 6PFHxA 3.1PFBS 3.1 | detected |
| PARKSVILLE WATER DISTRICT KY0110345 | Boyle | PFPeA 6.3PFBA 5.1PFBS 4PFHxA 3.7 | detected |
| PENDLETON CO WATER DISTRICT #1/SOUTH KY0960499 | Pendleton | PFPeA 16PFHpA 13PFHxA 9.2PFBA 8.2 | detected |
| PROVIDENCE WATER WORKS KY1170361 | Webster | PFBA 6.3 | detected |
| RUSSELL SPRINGS WATER & SEWER KY1040377 | Russell | PFBA 12.4 | detected |
| RUSSELLVILLE MUN WATER WORKS KY0710378 | Logan | PFBA 5.4 | detected |
| SHARPSBURG WATER DISTRICT KY0060392 | Bath | PFBA 6.1PFPeA 5 | detected |
| SHELBYVILLE WATER & SEWER COMMISSION KY1060394 | Shelby | PFPeA 4.3 | detected |
| SIMPSON COUNTY WATER DISTRICT KY1070398 | Simpson | PFBA 27.2 | detected |
| SO ANDERSON WATER DISTRICT KY0030660 | Anderson | PFPeA 3 | detected |
| SO WOODFORD CO WATER DISTRICT KY1200411 | Woodford | PFBS 3.9 | detected |
| SOUTH HOPKINS WATER DISTRICT KY0540406 | Hopkins | PFBA 5.2 | detected |
| TODD COUNTY WATER DISTRICT KY1100944 | Todd | PFBA 7.4 | detected |
| VERSAILLES WATER SYSTEM KY1200439 | Woodford | 6:2 FTS 6.1PFPeA 3.9 | detected |
| WALTON WATERWORKS DEPARTMENT KY0080442 | Boone | PFPeA 16HFPO-DA 6.8 | detected |
| WESTERN FLEMING WATER DISTRICT KY0910675 | Nicholas | 6:2 FTS 18PFPeA 6.1PFHxA 4.5 | detected |
| WESTERN LEWIS RECTORVILLE WATER DISTRICT KY0810366 | Mason | HFPO-DA 7.3 | detected |
| WILMORE WATER WORKS KY0570010 | Jessamine | 6:2 FTS 5.1PFPeA 4.5 | detected |
| WOOD CREEK WATER DISTRICT KY0630477 | Laurel | PFBA 5.8 | detected |
* exceeds the final federal MCL for that compound. Detections of compounds whose limits EPA proposed to rescind in May 2026 are shown for information.
Systems with no PFAS detected
144 tested systems reported no PFAS above the laboratory reporting limits. Each has its own page with its sampling detail.
- ADAIRVILLE WATER WORKS
- ALBANY WATER WORKS
- ALLEN COUNTY WATER DISTRICT
- ARLINGTON WATER DEPARTMENT
- BARDSTOWN MUNICIPAL WATER DEPT
- BARKLEY LAKE WATER DISTRICT
- BEAVER DAM MUNICIPAL WATER & SEWER
- BENHAM WATER PLANT
- BENTON WATER & SEWER
- BEREA MUNICIPAL UTILITIES
- BOONEVILLE WATER AND SEWER
- BOWLING GREEN MUNICIPAL UTILITIES
- BRANDENBURG WATER WORKS
- BREATHITT CO WATER DISTRICT
- BRONSTON WATER ASSOCIATON INC
- CALVERT CITY MUNICIPAL WATER DEPARTMENT
- CAMPBELLSVILLE MUNICIPAL WATER
- CAMPTON WATER SYSTEM
- CARROLL CO WATER DISTRICT #1
- CAVELAND ENVIRONMENTAL AUTHORITY, INC.
- CAWOOD WATER DISTRICT
- CENTRAL CITY WATER & SEWER
- CHRISTIAN CO WATER DISTRICT
- COLUMBIA/ADAIR UTILITIES DISTRICT
- CUMBERLAND CO WATER DISTRICT
- CUMBERLAND MUNICIPAL WATER WORKS
- DANVILLE CITY WATER WORKS
- DAWSON SPRINGS WATER & SEWER
- EAST CASEY CO WATER DISTRICT
- EAST CLARK CO WATER DISTRICT
- EAST LOGAN WATER DISTRICT
- EDDYVILLE WATER DEPARTMENT
- EDMONSON CO WATER DISTRICT
- EDMONTON WATER WORKS
- ESTILL CO WATER DISTRICT
- EUBANK WATER SYSTEM
- FALMOUTH WATER DEPARTMENT
- FLEMING CO WATER ASSOCIATION
- FLEMINGSBURG UTILITY SYSTEM
- FLORENCE WATER & SEWER
- FRENCHBURG WATER COMPANY
- FULTON MUNICIPAL WATER SYSTEM
- GALLATIN COUNTY WATER DISTRICT
- GARRARD CO WATER ASSOC INC
- GLASGOW WATER COMPANY
- GRAVES CO WATER DIST - CONSUMERS
- GRAVES CO WATER DIST - HICKORY
- GRAYSON COUNTY WATER DISTRICT
- GRAYSON UTILITY COMMISSION
- GREEN RIVER VALLEY WATER DISTRICT
- GREEN TAYLOR WATER DISTRICT
- GREENUP WATER SYSTEM
- HARDIN CO. WATER DIST #1/FT. KNOX
- HARDIN COUNTY WATER DISTRICT #1
- HARDINSBURG RO WTP
- HARLAN MUNICIPAL WATER WORKS
- HARRODSBURG MUNICIPAL WATER DEPARTMENT
- HAZARD WATER DEPARTMENT
- HENDERSON COUNTY WATER DISTRICT
- HENDERSON WATER UTILITY/NORTH
- HENRY COUNTY WATER DISTRICT #2
- HICKMAN WATER DEPARTMENT
- HODGENVILLE WATER WORKS
- HUSTONVILLE WATER WORKS
- HYDEN LESLIE CO WATER DISTRICT
- IRVINE MUNICIPAL UTILITIES
- JACKSON CO WATER ASSOCIATION
- JACKSON MUNICIPAL WATER WORKS
- JAMESTOWN MUNICIPAL WATER WORKS
- JEFFERSONVILLE WATER SYSTEM
- JESSAMINE CO WATER DISTRICT #1
- JESSAMINE S ELKHORN WATER DIST
- JONATHAN CREEK WATER DISTRICT
- JUDY WATER ASSOCIATION
- KNOTT CO WATER & SEWER DISTRICT
- KNOX COUNTY UTILITY COMMISSION
- LAGRANGE UTILITIES COMMISSION
- LANCASTER WATER WORKS
- LARUE COUNTY WATER DISTRICT #1
- LEBANON WATER WORKS CO INC
- LEITCHFIELD WATER WORKS
- LEVEE RD WATER ASSOCIATION INC
- LOUISA WATER DEPARTMENT
- MADISON CO UTILITIES DISTRICT
- MAGOFFIN COUNTY WATER DISTRICT
- MAMMOTH CAVE/CENTRAL SYSTEM
- MARION COUNTY WATER DISTRICT
- MARTIN CO WATER DISTRICT #1
- MAYFIELD ELECTRIC & WATER
- MCKINNEY WATER DISTRICT
- MEADE COUNTY WATER DISTRICT
- MILTON WATER & SEWER DEPARTMENT
- MONROE COUNTY WATER DISTRICT
- MONTICELLO WATER & SEWER COMMISSION
- MOREHEAD STATE UNIVERSITY
- MOREHEAD UTILITY PLANT BOARD
- MORGAN COUNTY WATER DISTRICT
- MOUNTAIN WATER DIST
- MT STERLING WATER WORKS
- MT VERNON WATER WORKS
- MUHLENBERG CO WATER DISTRICT
- MURRAY WATER SYSTEM
- NICHOLASVILLE WATER DEPARTMENT
- NORTH MANCHESTER WATER ASSOC
- NORTH MARSHALL WATER DISTRICT #1
- OHIO COUNTY WATER DISTRICT
- OLDHAM COUNTY WATER DISTRICT
- OLIVE HILL MUNICIPAL WATER WORKS
- PAINTSVILLE MUNICIPAL WATER WORKS
- PIKEVILLE WATER DEPARTMENT
- PINEVILLE WATER SYSTEM
- POWELL VALLEY WATER DISTRICT
- PRESTONSBURG CITY UTILITIES
- PRINCETON WATER & SEWER COMMISSION
- RATTLESNAKE RIDGE WATER DISTRICT
- RICHMOND UTILITIES
- ROWAN WATER INC
- RUSSELL WATER COMPANY
- SANDY HOOK WATER DISTRICT
- SCIENCE HILL WATER WORKS
- SCOTTSVILLE WATER DEPARTMENT
- SEBREE WATER DEPARTMENT
- SOMERSET WATER SERVICE
- SOUTH LOGAN WATER ASSOCIATION
- SOUTHEASTERN WATER ASSOC/NELSON VALLEY
- SOUTHERN MADISON WATER DISTRICT
- SOUTHERN WATER & SEWER DISTRICT
- SPRINGFIELD WATER WORKS
- STANFORD WATER WORKS
- STANTON WATER WORKS
- TRIMBLE CO WATER DISTRICT #1
- US 60 WATER DISTRICT
- VANCEBURG ELECTRIC PLANT BOARD
- VINE GROVE WATER DEPARTMENT
- WARREN COUNTY WATER DISTRICT
- WATER SERVICE CORPORATION OF KENTUCKY
- WEBSTER CO WATER DISTRICT
- WEST LAUREL WATER ASSOC INC
- WESTERN PULASKI CO WATER DISTRICT
- WESTERN ROCKCASTLE WATER ASSOC
- WHITESBURG WATER WORKS
- WILLIAMSBURG WATER DEPARTMENT
- WILLIAMSTOWN MUNICIPAL WATER DEPT
- WINCHESTER MUNICIPAL UTILITIES
A detection at the system level does not tell you what reaches one specific tap: levels vary by entry point, treatment train and plumbing. A certified lab test of your own tap settles it. Testing and treatment options