Kentucky PFAS compliance
PFAS contamination data for 500 water systems in Kentucky, serving 5,406,846 people.
Total systems
500
Exceed MCL
33
At risk
0
Compliant
196
Settlement eligible
106
Kentucky PFAS regulatory overview
State standards
Kentucky follows federal EPA MCLs (PFOA/PFOS: 4 ppt).
KY follows federal EPA MCLs. PFAS monitoring and investigation ongoing.
Regulatory agency
Kentucky follows federal EPA MCLs. PFAS monitoring expanding across state water systems.
Get weekly PFAS compliance alerts for Kentucky
Water systems
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| LOUISVILLE WATER COMPANY KY0560258 | LOUISVILLE | 764,769 | 7.5 | — | Exceeds |
| KENTUCKY-AMERICAN WATER CO KY0340250 | LEXINGTON | 299,501 | — | — | Compliant |
| NORTHERN KENTUCKY WATER DISTRICT KY0590220 | FT. THOMAS | 199,460 | — | — | Compliant |
| WARREN COUNTY WATER DISTRICT KY1140487 | BOWLING GREEN | 91,118 | — | — | Compliant |
| HARDIN COUNTY WATER DISTRICT #2 KY0470175 | ELIZABETHTOWN | 76,326 | 6.2 | 5.3 | Exceeds |
| BOONE CO WATER & SEWER DISTRICT KY0080034 | BURLINGTON | 66,300 | — | — | Compliant |
| PADUCAH WATER WORKS KY0730533 | PADUCAH | 65,004 | 5.8 | 8.1 | Exceeds |
| OWENSBORO MUNICIPAL UTILITIES KY0300336 | OWENSBORO | 60,473 | 5 | — | Exceeds |
| BOWLING GREEN MUNICIPAL UTILITIES KY1140038 | BOWLING GREEN | 53,601 | — | — | Compliant |
| FRANKFORT PLANT BOARD KY0370143 | FRANKFORT | 52,153 | — | — | Compliant |
| ASHLAND WATER WORKS KY0100011 | ASHLAND | 44,402 | — | — | Compliant |
| MOUNTAIN WATER DIST KY0980575 | PIKEVILLE | 44,057 | — | — | Compliant |
| FORT CAMPBELL WATER SYSTEM TN0000820 | FT. CAMPBELL | 43,270 | 6.4 | 27.3 | Exceeds |
| HOPKINSVILLE WATER ENVIRONMENT AUTHORITY KY0240201 | HOPKINSVILLE | 41,350 | — | — | Compliant |
| OLDHAM COUNTY WATER DISTRICT KY0930333 | BUCKNER | 38,409 | — | — | Compliant |
| GLASGOW WATER COMPANY KY0050929 | GLASGOW | 36,766 | — | — | Compliant |
| GEORGETOWN MUNICIPAL WATER SERVICE KY1050157 | GEORGETOWN | 35,714 | 9.3 | 12 | Exceeds |
| RICHMOND UTILITIES KY0760370 | RICHMOND | 35,640 | — | — | Compliant |
| NICHOLASVILLE WATER DEPARTMENT KY0570315 | NICHOLASVILLE | 35,266 | — | — | Compliant |
| MCCREARY COUNTY WATER DISTRICT KY0740276 | WHITLEY CITY | 34,439 | — | — | Compliant |
| DAVIESS CO WATER DISTRICT KY0300387 | OWENSBORO | 33,655 | 5 | — | Exceeds |
| MEADE COUNTY WATER DISTRICT KY0820369 | BRADENBURG | 33,313 | — | — | Compliant |
| DANVILLE CITY WATER WORKS KY0110097 | DANVILLE | 32,600 | — | — | Compliant |
| HENDERSON WATER UTILITY/NORTH KY0510188 | HENDERSON | 31,705 | — | — | Compliant |
| BARDSTOWN MUNICIPAL WATER DEPT KY0900017 | BARDSTOWN | 31,185 | — | — | Compliant |
| HARDIN COUNTY WATER DISTRICT #1 KY0470393 | RADCLIFF | 30,230 | — | — | Compliant |
| WINCHESTER MUNICIPAL UTILITIES KY0250473 | WINCHESTER | 29,823 | — | — | Compliant |
| SOMERSET WATER SERVICE KY1000403 | SOMERSET | 29,700 | — | — | Compliant |
| FLORENCE WATER & SEWER KY0080135 | FLORENCE | 29,351 | — | — | Compliant |
| MADISONVILLE LIGHT & WATER KY0540936 | SEDALIA | 28,102 | — | — | Compliant |
| PRESTONSBURG CITY UTILITIES KY0360358 | PRESTONSBURG | 26,788 | — | — | Compliant |
| HAZARD WATER DEPARTMENT KY0970184 | HAZARD | 26,730 | — | — | Compliant |
| MURRAY WATER SYSTEM KY0180306 | MURRAY | 26,302 | — | — | Compliant |
| MADISON CO UTILITIES DISTRICT KY0760224 | RICHMOND | 25,120 | — | — | Compliant |
| CAMPBELLSVILLE MUNICIPAL WATER KY1090060 | CAMPBELLSVILLE | 24,874 | — | — | Compliant |
| PAINTSVILLE MUNICIPAL WATER WORKS KY0580340 | PAINTSVILLE | 24,354 | — | — | Compliant |
| SHELBYVILLE WATER & SEWER COMMISSION KY1060394 | SHELBYVILLE | 23,760 | — | — | Compliant |
| MT WASHINGTON WATER COMPANY KY0150300 | MT WASHINGTON | 23,760 | 7.2 | — | Exceeds |
| HARDIN CO. WATER DIST #1/FT. KNOX KY0470990 | RADCLIFF | 23,600 | — | — | Compliant |
| WESTERN PULASKI CO WATER DISTRICT KY1000363 | SOMERSET | 23,264 | — | — | Compliant |
| TAYLORSVILLE WATER WORKS KY1080425 | TAYLORSVILLE | 22,286 | 6.5 | — | Exceeds |
| COLUMBIA/ADAIR UTILITIES DISTRICT KY0011016 | CAMPBELLSVILLE | 22,113 | — | — | Compliant |
| SOUTHEASTERN WATER ASSOC/NELSON VALLEY KY1000311 | SOMERSET | 21,895 | — | — | Compliant |
| MONTICELLO WATER & SEWER COMMISSION KY1160291 | MONTICELLO | 21,000 | — | — | Compliant |
| BULLOCK PEN WATER DISTRICT KY0410047 | CRITTENDEN | 20,048 | — | — | Compliant |
| GRAYSON COUNTY WATER DISTRICT KY0430616 | LEITCHFIELD | 20,033 | — | — | Compliant |
| ROWAN WATER INC KY1030375 | MOREHEAD | 18,765 | — | — | Compliant |
| HARDINSBURG RO WTP KY0140966 | HARDINSBURG | 18,437 | — | — | Compliant |
| EDMONSON CO WATER DISTRICT KY0310114 | BROWNSVILLE | 17,848 | — | — | Compliant |
| VERSAILLES WATER SYSTEM KY1200439 | VERSAILLES | 17,822 | — | — | Compliant |
| HENRY COUNTY WATER DISTRICT #2 KY0520192 | CAMPBELLSBURG | 17,716 | — | — | Compliant |
| HENDERSON COUNTY WATER DISTRICT KY0510189 | HENDERSON | 17,447 | — | — | Compliant |
| GREEN RIVER VALLEY WATER DISTRICT KY0500166 | HORSE CAVE | 17,431 | — | — | Compliant |
| CHRISTIAN CO WATER DISTRICT KY0240521 | HOPKINSVILLE | 17,248 | — | — | Compliant |
| LAUREL CO WATER DISTRICT #2 KY0630238 | LONDON | 16,899 | — | — | Compliant |
| MUHLENBERG CO WATER DISTRICT KY0890302 | GREENVILLE | 16,845 | — | — | Compliant |
| HARRISON CO WATER ASSOC KY0490179 | CYNTHIANA | 16,736 | — | 47.9 | Exceeds |
| PINEVILLE WATER SYSTEM KY0070353 | PINEVILLE | 16,573 | — | — | Compliant |
| OHIO COUNTY WATER DISTRICT KY0920332 | HARTFORD | 16,511 | — | — | Compliant |
| BARBOURVILLE UTILITIES KY0610016 | BARBOURVILLE | 16,420 | — | — | Compliant |
| ALLEN COUNTY WATER DISTRICT KY0020956 | SCOTTSVILLE | 16,398 | — | — | Compliant |
| MT STERLING WATER WORKS KY0870298 | MT STERLING | 16,391 | — | — | Compliant |
| MARION COUNTY WATER DISTRICT KY0780268 | LEBANON | 16,311 | — | — | Compliant |
| NORTH MARSHALL WATER DISTRICT #1 KY0790319 | BENTON | 16,276 | — | — | Compliant |
| CORBIN UTILITIES COMMISSION KY1180085 | CORBIN | 16,065 | 6.7 | — | Exceeds |
| EAST LAUREL WATER DISTRICT KY0630797 | LONDON | 16,062 | — | — | Compliant |
| GREEN TAYLOR WATER DISTRICT KY0440167 | GRENNSBURG | 15,497 | — | — | Compliant |
| FRANKLIN WATER WORKS KY1070144 | FRANKLIN | 15,150 | — | — | Compliant |
| SOUTHERN WATER & SEWER DISTRICT KY0360026 | MCDOQWELL | 15,110 | — | — | Compliant |
| WOOD CREEK WATER DISTRICT KY0630477 | LONDON | 14,892 | — | — | Compliant |
| WEST LAUREL WATER ASSOC INC KY0630451 | LONDON | 14,878 | — | — | Compliant |
| GARRARD CO WATER ASSOC INC KY0400151 | LANCASTER | 14,806 | — | — | Compliant |
| LAWRENCEBURG WATER & SEWER DEPT KY0030239 | LAWRENCEBURG | 14,748 | — | — | Compliant |
| SOUTHERN MADISON WATER DISTRICT KY0760407 | BEREA | 14,707 | — | — | Compliant |
| NORTH SHELBY WATER DISTRICT KY1060324 | BAGDAD | 14,660 | 4.1 | — | Exceeds |
| BARKLEY LAKE WATER DISTRICT KY1110019 | CADIZ | 14,284 | — | — | Compliant |
| BUTLER COUNTY WATER SYSTEM INC KY0160052 | BOWLING GREEN | 14,256 | — | — | Compliant |
| PARIS WATER WORKS KY0090343 | PARIS | 14,139 | — | — | Compliant |
| JACKSON CO WATER ASSOCIATION KY0550209 | MCKEE | 13,629 | — | — | Compliant |
| NORTH NELSON WATER DISTRICT KY0900323 | COXS CREEK | 13,365 | 5.7 | — | Exceeds |
| SPRINGFIELD WATER WORKS KY1150415 | SPRINGFIELD | 13,205 | — | — | Compliant |
| BIG SANDY WATER DISTRICT KY0100944 | CATLETTSBURG | 13,044 | — | — | Exceeds |
| WESTERN ROCKCASTLE WATER ASSOC KY1020891 | MT VERNON | 12,623 | — | — | Compliant |
| EUBANK WATER SYSTEM KY1000124 | EUBANK | 12,492 | — | — | Compliant |
| EAST CASEY CO WATER DISTRICT KY0230556 | LIBERTY | 12,460 | — | — | Compliant |
| MAYFIELD ELECTRIC & WATER KY0420274 | MAYFIELD | 12,379 | — | — | Compliant |
| GREENUP WATER SYSTEM KY0450169 | GREENUP | 12,193 | — | — | Compliant |
| WATER SERVICE CORPORATION OF KENTUCKY KY0070282 | MIDDLESBORO | 12,022 | — | — | Compliant |
| E DAVIESS CO WATER ASSOC INC KY0300109 | KNOTTSVILLE | 11,997 | 5 | — | Exceeds |
| RATTLESNAKE RIDGE WATER DISTRICT KY0220555 | GRAYSON | 11,397 | — | — | Compliant |
| MANCHESTER WATER WORKS KY0260737 | MANCHESTER | 11,349 | — | — | Compliant |
| MAYSVILLE UTILITY COMMISSION KY0810275 | MAYSVILLE | 11,263 | — | — | Compliant |
| GRAYSON UTILITY COMMISSION KY0220164 | GRAYSON | 10,950 | — | — | Compliant |
| BATH COUNTY WATER DISTRICT KY0060022 | SALT LICK | 10,083 | — | — | Compliant |
| LAGRANGE UTILITIES COMMISSION KY0930481 | LAGRANGE | 10,067 | — | — | Compliant |
| BEREA MUNICIPAL UTILITIES KY0760030 | BEREA | 9,972 | — | — | Compliant |
| WHITLEY CO WATER DISTRICT KY1180468 | WILLIAMSBURG | 9,825 | 10 | 4.6 | Exceeds |
| TODD COUNTY WATER DISTRICT KY1100944 | ELKTON | 9,801 | — | — | Compliant |
| NORTH MERCER WATER DISTRICT KY0840321 | SALVISA | 9,775 | — | — | Compliant |
| FLEMING CO WATER ASSOCIATION KY0350133 | FLEMINGSBURG | 9,693 | — | — | Compliant |
| FLATWOODS WATER COMPANY KY0450132 | FLATWOODS | 9,649 | 6.5 | — | Exceeds |
| PIKEVILLE WATER DEPARTMENT KY0980350 | PIKEVILLE | 9,638 | — | — | Compliant |
| HYDEN LESLIE CO WATER DISTRICT KY0660204 | HYDEN | 9,614 | — | — | Compliant |
| MONROE COUNTY WATER DISTRICT KY0860150 | TOMPKINVILLE, KY | 9,608 | — | — | Compliant |
| CRITTENDEN-LIVINGSTON CO WATER DISTRICT KY0700532 | SALEM | 9,571 | — | 7.3 | Exceeds |
| ESTILL CO WATER DISTRICT KY0330123 | IRVINE, | 9,501 | — | — | Compliant |
| CUMBERLAND FALLS HIGHWAY WATER DISTRICT KY1180093 | CORBIN | 9,498 | 8.6 | — | Exceeds |
| RUSSELL SPRINGS WATER & SEWER KY1040377 | RUSSELL SPRINGS | 9,409 | — | — | Compliant |
| STANFORD WATER WORKS KY0690417 | STANFORD | 9,284 | — | — | Compliant |
| LARUE COUNTY WATER DISTRICT #1 KY0620237 | HODGENVILLE | 9,062 | — | — | Compliant |
| EAST LOGAN WATER DISTRICT KY0710951 | RUSSELLVILE | 9,060 | — | — | Compliant |
| MOREHEAD UTILITY PLANT BOARD KY1030292 | MOREHEAD | 9,052 | — | — | Compliant |
| ALBANY WATER WORKS KY0270003 | ALBANY | 9,042 | — | — | Compliant |
| MARTIN CO WATER DISTRICT #1 KY0800273 | INEZ | 9,003 | — | — | Compliant |
| CANNONSBURG WATER DISTRICT KY0100064 | ASHLAND | 8,953 | 6.8 | — | Exceeds |
| SIMPSON COUNTY WATER DISTRICT KY1070398 | BOWLING GREEN | 8,946 | — | — | Compliant |
| MAGOFFIN COUNTY WATER DISTRICT KY0770525 | SALYERSVILLE | 8,925 | — | — | Compliant |
| LONDON UTILITY COMMISSION KY0630255 | LONDON | 8,855 | — | — | Compliant |
| JESSAMINE S ELKHORN WATER DIST KY0570249 | NICHOLASVILLE | 8,826 | — | — | Compliant |
| OAK GROVE UTILITIES OFFICE KY0240329 | OAK GROVE | 8,762 | — | — | Compliant |
| RUSSELLVILLE MUN WATER WORKS KY0710378 | RUSSELLVILLE | 8,613 | — | — | Compliant |
| EDMONTON WATER WORKS KY0850115 | EDMONTON | 8,515 | — | — | Compliant |
| SOUTH HOPKINS WATER DISTRICT KY0540406 | DAWSON SPRINGS, KY 42408 | 8,440 | — | — | Compliant |
| LEITCHFIELD WATER WORKS KY0430244 | LEITCHFIELD | 8,438 | — | — | Compliant |
| BEATTYVILLE WATER WORKS KY0650024 | BEATTYVILLE | 8,428 | 5.4 | 5.4 | Exceeds |
| SO ANDERSON WATER DISTRICT KY0030660 | LAWRENCEBURG | 8,417 | — | — | Compliant |
| KNOX COUNTY UTILITY COMMISSION KY0610110 | BARBOURVILLE | 8,313 | — | — | Compliant |
| HARRODSBURG MUNICIPAL WATER DEPARTMENT KY0840180 | HARRODSBURG | 8,310 | — | — | Compliant |
| LOUISA WATER DEPARTMENT KY0640257 | LOUISA | 8,236 | — | — | Compliant |
| FARMDALE WATER DISTRICT KY0370128 | FRANKFORT | 8,203 | — | — | Compliant |
| BENTON WATER & SEWER KY0790029 | BENTON | 7,981 | — | — | Compliant |
| US 60 WATER DISTRICT KY1060436 | BAGDAD | 7,892 | — | — | Compliant |
| LEBANON WATER WORKS CO INC KY0780241 | LEBANON | 7,642 | — | — | Compliant |
| MORGAN COUNTY WATER DISTRICT KY0880594 | WEST LIBERTY | 7,502 | — | — | Compliant |
| JAMESTOWN MUNICIPAL WATER WORKS KY1040210 | JAMESTOWN | 7,402 | — | — | Compliant |
| EAST CLARK CO WATER DISTRICT KY0250981 | WINCHESTER | 7,366 | — | — | Compliant |
| CYNTHIANA MUNICIPAL WATER WORKS KY0490096 | CYNTHIANA | 7,263 | — | 37 | Exceeds |
| JONATHAN CREEK WATER DISTRICT KY0790216 | BENTON | 7,182 | — | — | Compliant |
| POWELL VALLEY WATER DISTRICT KY0990357 | CLAY CITY | 7,128 | — | — | Compliant |
| CUMBERLAND CO WATER DISTRICT KY0290271 | BURKESVILLE | 7,099 | — | — | Compliant |
| MUHLENBERG CO WATER DISTRICT #3 KY0890304 | BREMEN | 7,075 | — | — | Compliant |
| KNOTT CO WATER & SEWER DISTRICT KY0600062 | VICCO | 7,056 | — | — | Compliant |
| PRINCETON WATER & SEWER COMMISSION KY0170360 | PRINCETON | 7,007 | — | — | Compliant |
| WEST SHELBY WATER DISTRICT KY1060457 | SIMPSONVILLE | 6,994 | 4.6 | — | Exceeds |
| VANCEBURG ELECTRIC PLANT BOARD KY0680438 | VANCEBURG | 6,921 | — | — | Compliant |
| SCOTTSVILLE WATER DEPARTMENT KY0020386 | SCOTTSVILLE | 6,864 | — | — | Compliant |
| LAKE VILLAGE WATER ASSOCIATION KY0840587 | BURGIN | 6,855 | — | — | Compliant |
| CARROLLTON UTILITIES KY0210067 | CARROLLTON | 6,851 | — | — | Exceeds |
| JESSAMINE CO WATER DISTRICT #1 KY0570214 | NICHOLASVILLE | 6,831 | — | — | Compliant |
| CITY OF SOUTH SHORE WATER WORKS KY0450410 | SOUTH SHORE | 6,798 | — | — | Compliant |
| LYON COUNTY WATER DISTRICT KY0720933 | KUTTAWA | 6,744 | — | 4.4 | Exceeds |
| VINE GROVE WATER DEPARTMENT KY0470440 | VINE GROVE | 6,703 | — | — | Compliant |
| STANTON WATER WORKS KY0990418 | STANTON | 6,611 | — | — | Compliant |
| CAMPTON WATER SYSTEM KY1190061 | CAMPTON | 6,600 | — | — | Compliant |
| WESTERN LEWIS RECTORVILLE WATER DISTRICT KY0810366 | MAYSVILLE | 6,534 | — | — | Compliant |
| MOREHEAD STATE UNIVERSITY KY1030480 | MOREHEAD | 6,500 | — | — | Compliant |
| BRACKEN COUNTY WATER DISTRICT KY0120039 | BROOKSVILLE | 6,456 | — | — | Compliant |
| OLIVE HILL MUNICIPAL WATER WORKS KY0220335 | OLIVE HILL | 6,192 | — | — | Compliant |
| CADIZ MUNICIPAL WATER CO KY1110054 | CADIZ | 6,165 | — | — | Compliant |
| UNION COUNTY WATER DISTRICT KY1130433 | MORGANFIELD | 6,117 | 8.6 | — | Exceeds |
| CALDWELL COUNTY WATER DISTRICT KY0170528 | PRINCETON | 6,000 | — | — | Compliant |
| WEBSTER CO WATER DISTRICT KY1170995 | DIXON | 5,940 | — | — | Compliant |
| SCIENCE HILL WATER WORKS KY1000362 | SCIENCE HILL | 5,940 | — | — | Compliant |
| KIRKSVILLE WATER ASSOCIATION KY0760672 | RICHMOND | 5,940 | — | — | Compliant |
| CARROLL CO WATER DISTRICT #1 KY0210066 | GHENT | 5,934 | — | — | Compliant |
| GALLATIN COUNTY WATER DISTRICT KY0390130 | SPARTA | 5,860 | — | — | Compliant |
| BLOOMFIELD WATER & SEWER DEPT KY0900031 | BLOOMFIELD | 5,771 | — | — | Compliant |
| WILMORE WATER WORKS KY0570010 | WILMORE | 5,762 | — | — | Compliant |
| IRVINE MUNICIPAL UTILITIES KY0330205 | IRVINE | 5,649 | — | — | Compliant |
| GREENVILLE UTILITIES COMMISSION KY0890170 | GREENVILLE | 5,649 | — | — | Compliant |
| CENTRAL CITY WATER & SEWER KY0890071 | CENTRAL CITY | 5,601 | — | — | Compliant |
| WILLIAMSBURG WATER DEPARTMENT KY1180471 | WILLIAMSBURG | 5,554 | — | — | Compliant |
| JUDY WATER ASSOCIATION KY0870147 | MT. STERLING | 5,539 | — | — | Compliant |
| EAST PENDLETON WATER DISTRICT KY0960112 | FALMOUTH | 5,515 | 4.1 | — | Exceeds |
| WILLIAMSTOWN MUNICIPAL WATER DEPT KY0410472 | DRY RIDGE | 5,495 | — | — | Compliant |
| MILTON WATER WV3300609 | ASHLAND | 5,446 | — | — | Compliant |
| MCKINNEY WATER DISTRICT KY0690278 | MCKINNEY | 5,423 | — | — | Compliant |
| HUSTONVILLE WATER WORKS KY0690203 | HUSTONVILLE | 5,420 | — | — | Compliant |
| FRENCHBURG WATER COMPANY KY0830148 | FRENCHBURG | 5,401 | — | — | Compliant |
| BOONEVILLE WATER AND SEWER KY0950036 | BOONEVILLE | 5,346 | — | — | Compliant |
| JEFFERSONVILLE WATER SYSTEM KY0870212 | JEFFERSONVILLE | 5,335 | — | — | Compliant |
| NORTH MANCHESTER WATER ASSOC KY0260266 | MANCHESTER | 5,332 | — | — | Compliant |
| SOUTH LOGAN WATER ASSOCIATION KY0710707 | ADAIRVILLE | 5,198 | — | — | Compliant |
| RUSSELL WATER COMPANY KY0450376 | RUSSELL | 5,181 | — | — | Compliant |
| MORGANFIELD WATER WORKS KY1130293 | MORGANFIELD | 5,170 | — | — | Compliant |
| BRONSTON WATER ASSOCIATON INC KY1000043 | BRONSTON | 5,114 | — | — | Compliant |
| BREATHITT CO WATER DISTRICT KY0131012 | JACKSON | 5,068 | — | — | Compliant |
| GRAVES CO WATER DIST - CONSUMERS KY0420084 | MAYFIELD | 5,016 | — | — | Compliant |
| MAMMOTH CAVE/CENTRAL SYSTEM KY0310940 | CAVE CITY | 5,000 | — | — | Compliant |
| MT VERNON WATER WORKS KY1020299 | BRODHEAD | 4,951 | — | — | Compliant |
| JACKSON MUNICIPAL WATER WORKS KY0130208 | JACKSON | 4,704 | — | — | Compliant |
| NEBO WATER DISTRICT KY0540977 | NEBO | 4,702 | — | — | Compliant |
| FULTON MUNICIPAL WATER SYSTEM KY0380149 | FULTON | 4,662 | — | — | Compliant |
| HODGENVILLE WATER WORKS KY0620200 | HODGENVILLE | 4,629 | — | — | Compliant |
| FLEMINGSBURG UTILITY SYSTEM KY0350134 | FLEMINGSBURG | 4,583 | — | — | Compliant |
| HARLAN MUNICIPAL WATER WORKS KY0480178 | HARLAN | 4,574 | — | — | Compliant |
| LANCASTER WATER WORKS KY0400233 | LANCASTER | 4,573 | — | — | Compliant |
| PROVIDENCE WATER WORKS KY1170361 | PROVIDENCE | 4,538 | — | — | Compliant |
| BUFFALO TRAIL WATER ASSOC KY0810046 | MAYSLICK | 4,514 | 5 | 4.2 | Exceeds |
| CAWOOD WATER DISTRICT KY0480565 | CAWOOD | 4,428 | — | — | Compliant |
| CALVERT CITY MUNICIPAL WATER DEPARTMENT KY0790056 | CALVERT CITY | 4,381 | — | — | Compliant |
| SHARPSBURG WATER DISTRICT KY0060392 | SHARPSBURG | 4,332 | — | — | Compliant |
| WESTERN FLEMING WATER DISTRICT KY0910675 | EWING | 4,262 | — | — | Compliant |
| PARKSVILLE WATER DISTRICT KY0110345 | PARKSVILLE | 4,261 | — | — | Compliant |
| SO WOODFORD CO WATER DISTRICT KY1200411 | FRANKFORT | 4,218 | — | — | Compliant |
| WALTON WATERWORKS DEPARTMENT KY0080442 | WALTON | 4,173 | — | — | Compliant |
| TRIMBLE CO WATER DISTRICT #1 KY1120431 | BEDFORD | 4,146 | — | — | Compliant |
| NICHOLAS CO WATER DISTRICT KY0910314 | CALISLE | 4,089 | — | — | Compliant |
| GRAVES CO WATER DIST - HICKORY KY0420194 | MAYFIELD | 4,069 | — | — | Compliant |
| GRAND RIVERS WATER SYSTEM KY0700162 | GRAND RIVERS | 3,980 | — | 5.2 | Exceeds |
| BEAVER DAM MUNICIPAL WATER & SEWER KY0920025 | BEAVER DAM | 3,901 | — | — | Compliant |
| MILTON WATER & SEWER DEPARTMENT KY1120289 | MILTON | 3,861 | — | — | Compliant |
| WHITESBURG WATER WORKS KY0670466 | WHITESBURG | 3,861 | — | — | Compliant |
| FALMOUTH WATER DEPARTMENT KY0960126 | FALMOUTH | 3,861 | — | — | Compliant |
| EDDYVILLE WATER DEPARTMENT KY0720113 | EDDYVILLE | 3,843 | — | — | Compliant |
| NORTH HOPKINS WATER DISTRICT KY0540138 | MADISONVILLE | 3,725 | — | — | Compliant |
| PENDLETON CO WATER DISTRICT #1/SOUTH KY0960499 | FALMOUTH | 3,713 | — | — | Compliant |
| WHITESVILLE WATER WORKS KY0300467 | WHITESVILLE | 3,672 | 5.6 | — | Exceeds |
| SANDY HOOK WATER DISTRICT KY0320383 | SANDY HOOK | 3,528 | — | — | Compliant |
| STURGIS WATER WORKS KY1130422 | STURGIS | 3,490 | 10.8 | — | Exceeds |
| CAVELAND ENVIRONMENTAL AUTHORITY, INC. KY0050344 | CAVE CITY | 3,264 | — | — | Compliant |
| HICKMAN WATER DEPARTMENT KY0380193 | HICKMAN | 3,191 | — | — | Compliant |
| NORTH MCLEAN CO WATER DISTRICT KY0300320 | LIVERMORE | 2,934 | 6.5 | — | Exceeds |
| BRANDENBURG WATER WORKS KY0820041 | BRANDENBURG | 2,880 | — | — | Compliant |
| CUMBERLAND MUNICIPAL WATER WORKS KY0480092 | CUMBERLAND | 2,843 | — | — | Compliant |
| LEDBETTER WATER DISTRICT KY0700243 | LEDBETTER | 2,729 | 4.3 | 6.2 | Exceeds |
| DAWSON SPRINGS WATER & SEWER KY0540958 | DAWSON SPRINGS | 2,631 | — | — | Compliant |
| LEVEE RD WATER ASSOCIATION INC KY0870246 | MT STERLING | 2,471 | — | — | Compliant |
| SEBREE WATER DEPARTMENT KY1170388 | SEBREE | 1,743 | — | — | Compliant |