Results from entry points (water leaving treatment, not household taps) of public water systems sampled under EPA's Fifth Unregulated Contaminant Monitoring Rule. Click a county to see every water system serving it, or turn on service areas and click a location to see the systems that serve that spot.
231 of the 388 public water systems listed for Kentucky were sampled. Sorted by the highest single result relative to EPA's 2024 limits. Each name links to a page with all of that system's results. All 388 Kentucky systems, including those not tested · Download all Kentucky results (CSV, gzip)
| System | PWSID | City | Population | PFOA (ppt) | PFOS (ppt) | HI | Highest single result |
|---|---|---|---|---|---|---|---|
| Harrison Co Water Association | KY0490179 | Cynthiana | 16,736 | <MRL | 47.9 | 1.532 | PFOS ≥ 3 × its limit |
| Cynthiana Municipal Water Works | KY0490096 | Cynthiana | 7,263 | <MRL | 37 | 1.1 | PFOS ≥ 3 × its limit |
| Georgetown Municipal Water Service | KY1050157 | Georgetown | 44,608 | 9.3 | 12 | 0.305 | PFOS ≥ 3 × its limit |
| Sturgis Water Works | KY1130422 | Sturgis | 3,490 | 10.8 | <MRL | 0.002 | PFOA 1–3 × its limit |
| Big Sandy Water District | KY0100944 | Catlettsburg | 13,044 | <MRL | <MRL | 2.5 | Hazard Index 1–3 × its limit |
| Whitley Co Water District | KY1180468 | Williamsburg | 9,825 | 10 | 4.6 | 0.002 | PFOA 1–3 × its limit |
| Cumberland Falls Highway Water District | KY1180093 | Corbin | 9,498 | 8.6 | <MRL | 0.003 | PFOA 1–3 × its limit |
| Union County Water District | KY1130433 | Morganfield | 6,117 | 8.6 | <MRL | 0.004 | PFOA 1–3 × its limit |
| Paducah Water Works | KY0730533 | Paducah | 65,004 | 5.8 | 8.1 | 0.002 | PFOS 1–3 × its limit |
| Louisville Water Company | KY0560258 | Louisville | 806,997 | 7.5 | <MRL | 0.002 | PFOA 1–3 × its limit |
| Crittenden-Livingston Co Water District | KY0700532 | Salem | 9,571 | <MRL | 7.3 | 0 | PFOS 1–3 × its limit |
| Mt Washington Water Company | KY0150300 | Mt Washington | 23,760 | 7.2 | <MRL | 0 | PFOA 1–3 × its limit |
| Cannonsburg Water District | KY0100064 | Ashland | 8,953 | 6.8 | <MRL | 0.002 | PFOA 1–3 × its limit |
| Corbin Utilities Commission | KY1180085 | Corbin | 16,065 | 6.7 | <MRL | 0.002 | PFOA 1–3 × its limit |
| Flatwoods Water Company | KY0450132 | Flatwoods | 9,649 | 6.5 | <MRL | 0.002 | PFOA 1–3 × its limit |
| North Mclean Co Water District | KY0300320 | Livermore | 2,934 | 6.5 | <MRL | 0 | PFOA 1–3 × its limit |
| Taylorsville Water Works | KY1080425 | Taylorsville | 22,286 | 6.5 | <MRL | 0 | PFOA 1–3 × its limit |
| Hardin County Water District #2 | KY0470175 | Elizabethtown | 76,326 | 6.2 | 5.3 | 0.472 | PFOA 1–3 × its limit |
| Ledbetter Water District | KY0700243 | Ledbetter | 2,729 | 4.3 | 6.2 | 0 | PFOS 1–3 × its limit |
| North Nelson Water District | KY0900323 | Coxs Creek | 13,365 | 5.7 | <MRL | 0.002 | PFOA 1–3 × its limit |
| Whitesville Water Works | KY0300467 | Whitesville | 3,672 | 5.6 | <MRL | 0 | PFOA 1–3 × its limit |
| Beattyville Water Works | KY0650024 | Beattyville | 8,428 | 5.4 | 5.4 | 0.002 | PFOA 1–3 × its limit |
| Grand Rivers Water System | KY0700162 | Grnad Rivers | 3,980 | <MRL | 5.2 | 0 | PFOS 1–3 × its limit |
| Buffalo Trail Water Assoc | KY0810046 | Mayslick | 4,514 | 5 | 4.2 | 0 | PFOA 1–3 × its limit |
| Daviess Co Water District | KY0300387 | Owensboro | 33,655 | 5 | <MRL | 0 | PFOA 1–3 × its limit |
| E Daviess Co Water Assoc Inc | KY0300109 | Knottsville | 11,997 | 5 | <MRL | 0 | PFOA 1–3 × its limit |
| Owensboro Municipal Utilities | KY0300336 | Owensboro | 60,473 | 5 | <MRL | 0 | PFOA 1–3 × its limit |
| Carrollton Utilities | KY0210067 | Carrollton | 6,851 | <MRL | <MRL | 1.202 | Hazard Index 1–3 × its limit |
| West Shelby Water District | KY1060457 | Simpsonville | 6,994 | 4.6 | <MRL | 0 | PFOA 1–3 × its limit |
| Lyon County Water District | KY0720933 | Kuttawa | 6,744 | <MRL | 4.4 | 0 | PFOS 1–3 × its limit |
| East Pendleton Water District | KY0960112 | Falmouth | 5,515 | 4.1 | <MRL | 0.561 | PFOA 1–3 × its limit |
| North Shelby Water District | KY1060324 | Bagdad | 14,660 | 4.1 | <MRL | 0 | PFOA 1–3 × its limit |
| Western Lewis Rectorville Water District | KY0810366 | Maysville | 6,534 | <MRL | <MRL | 0.73 | Hazard Index below its limit |
| Manchester Water Works | KY0260737 | Manchester | 11,349 | <MRL | <MRL | 0.7 | Hazard Index below its limit |
| Walton Waterworks Department | KY0080442 | Walton | 4,173 | <MRL | <MRL | 0.68 | Hazard Index below its limit |
| Bracken County Water District | KY0120039 | Brooksville | 6,456 | <MRL | <MRL | 0.552 | Hazard Index below its limit |
| Kentucky-American Water Co | KY0340250 | Lexington | 669,042 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Paris Water Works | KY0090343 | Paris | 14,139 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Parksville Water District | KY0110345 | Parksville | 4,261 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| So Woodford Co Water District | KY1200411 | Frankfort | 4,218 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Ashland Water Works | KY0100011 | Ashland | 44,402 | <MRL | <MRL | 0 | Other PFAS detected |
| Barbourville Utilities | KY0610016 | Barbourville | 16,420 | <MRL | <MRL | 0 | Other PFAS detected |
| Bath County Water District | KY0060022 | Salt Lick | 10,083 | <MRL | <MRL | 0 | Other PFAS detected |
| Bloomfield Water & Sewer Dept | KY0900031 | Bloomfield | 5,771 | <MRL | <MRL | 0 | Other PFAS detected |
| Boone Co Water & Sewer District | KY0080034 | Burlington | 66,300 | <MRL | <MRL | 0 | Other PFAS detected |
| Bullock Pen Water District | KY0410047 | Crittenden | 20,048 | <MRL | <MRL | 0 | Other PFAS detected |
| Butler County Water System Inc | KY0160052 | Bowling Green | 14,256 | <MRL | <MRL | 0 | Other PFAS detected |
| Cadiz Municipal Water Co | KY1110054 | Cadiz | 6,165 | <MRL | <MRL | 0 | Other PFAS detected |
| Caldwell County Water District | KY0170528 | Princeton | 6,000 | <MRL | <MRL | 0 | Other PFAS detected |
| City Of South Shore Water Works | KY0450410 | South Shore | 6,798 | <MRL | <MRL | 0 | Other PFAS detected |
| East Laurel Water District | KY0630797 | London | 16,062 | <MRL | <MRL | 0 | Other PFAS detected |
| Farmdale Water District | KY0370128 | Frankfort | 8,203 | <MRL | <MRL | 0 | Other PFAS detected |
| Frankfort Plant Board | KY0370143 | Frankfort | 52,153 | <MRL | <MRL | 0 | Other PFAS detected |
| Franklin Water Works | KY1070144 | Franklin | 31,602 | <MRL | <MRL | 0 | Other PFAS detected |
| Greenville Utilities Commission | KY0890170 | Greenville | 5,649 | <MRL | <MRL | 0 | Other PFAS detected |
| Hopkinsville Water Environment Authority | KY0240201 | Hopkinsville | 41,350 | <MRL | <MRL | 0 | Other PFAS detected |
| Kirksville Water Association | KY0760672 | Richmond | 5,940 | <MRL | <MRL | 0 | Other PFAS detected |
| Lake Village Water Association | KY0840587 | Burgin | 6,855 | <MRL | <MRL | 0 | Other PFAS detected |
| Laurel Co Water District #2 | KY0630238 | London | 16,899 | <MRL | <MRL | 0 | Other PFAS detected |
| Lawrenceburg Water & Sewer Dept | KY0030239 | Lawrenceburg | 14,748 | <MRL | <MRL | 0 | Other PFAS detected |
| Livingston Municipal Water Works | KY1020253 | Livingston | 529 | <MRL | <MRL | 0 | Other PFAS detected |
| London Utility Commission | KY0630255 | London | 8,855 | <MRL | <MRL | 0 | Other PFAS detected |
| Madisonville Light & Water | KY0540936 | Sedalia | 28,102 | <MRL | <MRL | 0 | Other PFAS detected |
| Maysville Utility Commission | KY0810275 | Maysville | 11,263 | <MRL | <MRL | 0 | Other PFAS detected |
| Mccreary County Water District | KY0740276 | Whitley City | 34,439 | <MRL | <MRL | 0 | Other PFAS detected |
| Morganfield Water Works | KY1130293 | Morganfield | 5,170 | <MRL | <MRL | 0 | Other PFAS detected |
| Muhlenberg Co Water District #3 | KY0890304 | Bremen | 7,075 | <MRL | <MRL | 0 | Other PFAS detected |
| Nebo Water District | KY0540977 | Nebo | 4,702 | <MRL | <MRL | 0 | Other PFAS detected |
| Nicholas Co Water District | KY0910314 | Calisle | 4,089 | <MRL | <MRL | 0 | Other PFAS detected |
| North Hopkins Water District | KY0540138 | Madisonville | 3,725 | <MRL | <MRL | 0 | Other PFAS detected |
| North Mercer Water District | KY0840321 | Salvisa | 9,775 | <MRL | <MRL | 0 | Other PFAS detected |
| Northern Kentucky Water District | KY0590220 | Ft. Thomas | 259,949 | <MRL | <MRL | 0 | Other PFAS detected |
| Oak Grove Utilities Office | KY0240329 | Oak Grove | 8,762 | <MRL | <MRL | 0 | Other PFAS detected |
| Pendleton Co Water District #1/South | KY0960499 | Falmouth | 3,713 | <MRL | <MRL | 0 | Other PFAS detected |
| Providence Water Works | KY1170361 | Providence | 4,538 | <MRL | <MRL | 0 | Other PFAS detected |
| Russell Springs Water & Sewer | KY1040377 | Russell Springs | 9,409 | <MRL | <MRL | 0 | Other PFAS detected |
| Russellville Mun Water Works | KY0710378 | Russellville | 8,613 | <MRL | <MRL | 0 | Other PFAS detected |
| Sharpsburg Water District | KY0060392 | Sharpsburg | 4,332 | <MRL | <MRL | 0 | Other PFAS detected |
| Shelbyville Water & Sewer Commission | KY1060394 | Shelbyville | 23,760 | <MRL | <MRL | 0 | Other PFAS detected |
| Simpson County Water District | KY1070398 | Bowling Green | 8,946 | <MRL | <MRL | 0 | Other PFAS detected |
| So Anderson Water District | KY0030660 | Lawrenceburg | 8,417 | <MRL | <MRL | 0 | Other PFAS detected |
| South Hopkins Water District | KY0540406 | Dawson Springs, Ky 42408 | 8,440 | <MRL | <MRL | 0 | Other PFAS detected |
| Todd County Water District | KY1100944 | Elkton | 9,801 | <MRL | <MRL | 0 | Other PFAS detected |
| Versailles Water System | KY1200439 | Versailles | 17,822 | <MRL | <MRL | 0 | Other PFAS detected |
| Western Fleming Water District | KY0910675 | Ewing | 4,262 | <MRL | <MRL | 0 | Other PFAS detected |
| Wilmore Water Works | KY0570010 | Wilmore | 5,762 | <MRL | <MRL | 0 | Other PFAS detected |
| Wood Creek Water District | KY0630477 | London | 14,892 | <MRL | <MRL | 0 | Other PFAS detected |
| Adairville Water Works | KY0710001 | Auburn | 787 | <MRL | <MRL | 0 | No PFAS detected |
| Albany Water Works | KY0270003 | Albany | 9,042 | <MRL | <MRL | 0 | No PFAS detected |
| Allen County Water District | KY0020956 | Scottsville | 16,398 | <MRL | <MRL | 0 | No PFAS detected |
| Arlington Water Department | KY0200009 | Arlington | 301 | <MRL | <MRL | 0 | No PFAS detected |
| Bardstown Municipal Water Dept | KY0900017 | Bardstown | 31,185 | <MRL | <MRL | 0 | No PFAS detected |
| Barkley Lake Water District | KY1110019 | Cadiz | 14,284 | <MRL | <MRL | 0 | No PFAS detected |
| Beaver Dam Municipal Water & Sewer | KY0920025 | Beaver Dam | 3,531 | <MRL | <MRL | 0 | No PFAS detected |
| Benham Water Plant | KY0480028 | Benham | 855 | <MRL | <MRL | 0 | No PFAS detected |
| Benton Water & Sewer | KY0790029 | Benton | 7,981 | <MRL | <MRL | 0 | No PFAS detected |
| Berea Municipal Utilities | KY0760030 | Berea | 9,972 | <MRL | <MRL | 0 | No PFAS detected |
| Booneville Water And Sewer | KY0950036 | Booneville | 5,346 | <MRL | <MRL | 0 | No PFAS detected |
| Bowling Green Municipal Utilities | KY1140038 | Bowling Green | 53,601 | <MRL | <MRL | 0 | No PFAS detected |
| Brandenburg Water Works | KY0820041 | Brandenburg | 2,880 | <MRL | <MRL | 0 | No PFAS detected |
| Breathitt Co Water District | KY0131012 | Jackson | 5,068 | <MRL | <MRL | 0 | No PFAS detected |
| Bronston Water Associaton Inc | KY1000043 | Bronston | 5,114 | <MRL | <MRL | 0 | No PFAS detected |
| Calvert City Municipal Water Department | KY0790056 | Calvert City | 4,381 | <MRL | <MRL | 0 | No PFAS detected |
| Campbellsville Municipal Water | KY1090060 | Campbellsville | 24,874 | <MRL | <MRL | 0 | No PFAS detected |
| Campton Water System | KY1190061 | Campton | 6,600 | <MRL | <MRL | 0 | No PFAS detected |
| Carroll Co Water District #1 | KY0210066 | Ghent | 5,934 | <MRL | <MRL | 0 | No PFAS detected |
| Caveland Environmental Authority, Inc. | KY0050344 | Cave City | 3,264 | <MRL | <MRL | 0 | No PFAS detected |
| Cawood Water District | KY0480565 | Cawood | 4,428 | <MRL | <MRL | 0 | No PFAS detected |
| Central City Water & Sewer | KY0890071 | Central City | 5,601 | <MRL | <MRL | 0 | No PFAS detected |
| Christian Co Water District | KY0240521 | Hopkinsville | 17,248 | <MRL | <MRL | 0 | No PFAS detected |
| Columbia/Adair Utilities District | KY0011016 | Campbellsville | 22,113 | <MRL | <MRL | 0 | No PFAS detected |
| Cumberland Co Water District | KY0290271 | Burkesville | 7,099 | <MRL | <MRL | 0 | No PFAS detected |
| Cumberland Municipal Water Works | KY0480092 | Cumberland | 2,843 | <MRL | <MRL | 0 | No PFAS detected |
| Danville City Water Works | KY0110097 | Danville | 32,600 | <MRL | <MRL | 0 | No PFAS detected |
| Dawson Springs Water & Sewer | KY0540958 | Dawson Springs | 2,631 | <MRL | <MRL | 0 | No PFAS detected |
| East Casey Co Water District | KY0230556 | Liberty | 12,460 | <MRL | <MRL | 0 | No PFAS detected |
| East Clark Co Water District | KY0250981 | Winchester | 7,366 | <MRL | <MRL | 0 | No PFAS detected |
| East Logan Water District | KY0710951 | Russellvile | 9,060 | <MRL | <MRL | 0 | No PFAS detected |
| Eddyville Water Department | KY0720113 | Eddyville | 3,843 | <MRL | <MRL | 0 | No PFAS detected |
| Edmonson Co Water District | KY0310114 | Brownsville | 17,848 | <MRL | <MRL | 0 | No PFAS detected |
| Edmonton Water Works | KY0850115 | Edmonton | 8,515 | <MRL | <MRL | 0 | No PFAS detected |
| Estill Co Water District | KY0330123 | Irvine, | 9,501 | <MRL | <MRL | 0 | No PFAS detected |
| Eubank Water System | KY1000124 | Eubank | 12,492 | <MRL | <MRL | 0 | No PFAS detected |
| Falmouth Water Department | KY0960126 | Falmouth | 3,861 | <MRL | <MRL | 0 | No PFAS detected |
| Fleming Co Water Association | KY0350133 | Flemingsburg | 9,693 | <MRL | <MRL | 0 | No PFAS detected |
| Flemingsburg Utility System | KY0350134 | Flemingsburg | 4,583 | <MRL | <MRL | 0 | No PFAS detected |
| Florence Water & Sewer | KY0080135 | Florence | 29,351 | <MRL | <MRL | 0 | No PFAS detected |
| Frenchburg Water Company | KY0830148 | Frenchburg | 5,401 | <MRL | <MRL | 0 | No PFAS detected |
| Fulton Municipal Water System | KY0380149 | Fulton | 4,662 | <MRL | <MRL | 0 | No PFAS detected |
| Gallatin County Water District | KY0390130 | Sparta | 5,860 | <MRL | <MRL | 0 | No PFAS detected |
| Garrard Co Water Assoc Inc | KY0400151 | Lancaster | 14,806 | <MRL | <MRL | 0 | No PFAS detected |
| Glasgow Water Company | KY0050929 | Glasgow | 36,766 | <MRL | <MRL | 0 | No PFAS detected |
| Graves Co Water Dist - Consumers | KY0420084 | Mayfield | 5,016 | <MRL | <MRL | 0 | No PFAS detected |
| Graves Co Water Dist - Hickory | KY0420194 | Mayfield | 4,069 | <MRL | <MRL | 0 | No PFAS detected |
| Grayson County Water District | KY0430616 | Leitchfield | 20,033 | <MRL | <MRL | 0 | No PFAS detected |
| Grayson Utility Commission | KY0220164 | Grayson | 10,950 | <MRL | <MRL | 0 | No PFAS detected |
| Green River Valley Water District | KY0500166 | Horse Cave | 17,431 | <MRL | <MRL | 0 | No PFAS detected |
| Green Taylor Water District | KY0440167 | Grennsburg | 15,497 | <MRL | <MRL | 0 | No PFAS detected |
| Greenup Water System | KY0450169 | Greenup | 12,193 | <MRL | <MRL | 0 | No PFAS detected |
| Hardin Co. Water Dist #1/Ft. Knox | KY0470990 | Radcliff | 23,600 | <MRL | <MRL | 0 | No PFAS detected |
| Hardin County Water District #1 | KY0470393 | Radcliff | 30,230 | <MRL | <MRL | 0 | No PFAS detected |
| Hardinsburg Ro Wtp | KY0140966 | Hardinsburg | 18,437 | <MRL | <MRL | 0 | No PFAS detected |
| Harlan Municipal Water Works | KY0480178 | Harlan | 4,574 | <MRL | <MRL | 0 | No PFAS detected |
| Harrodsburg Municipal Water Department | KY0840180 | Harrodsburg | 8,310 | <MRL | <MRL | 0 | No PFAS detected |
| Hazard Water Department | KY0970184 | Hazard | 26,730 | <MRL | <MRL | 0 | No PFAS detected |
| Henderson County Water District | KY0510189 | Henderson | 17,447 | <MRL | <MRL | 0 | No PFAS detected |
| Henderson Water Utility/North | KY0510188 | Henderson | 31,705 | <MRL | <MRL | 0 | No PFAS detected |
| Henry County Water District #2 | KY0520192 | Campbellsburg | 17,716 | <MRL | <MRL | 0 | No PFAS detected |
| Hickman Water Department | KY0380193 | Hickman | 3,191 | <MRL | <MRL | 0 | No PFAS detected |
| Hodgenville Water Works | KY0620200 | Magnolia | 4,629 | <MRL | <MRL | 0 | No PFAS detected |
| Hustonville Water Works | KY0690203 | Hustonville | 5,420 | <MRL | <MRL | 0 | No PFAS detected |
| Hyden Leslie Co Water District | KY0660204 | Hyden | 9,614 | <MRL | <MRL | 0 | No PFAS detected |
| Irvine Municipal Utilities | KY0330205 | Irvine | 5,649 | <MRL | <MRL | 0 | No PFAS detected |
| Jackson Co Water Association | KY0550209 | Mckee | 13,629 | <MRL | <MRL | 0 | No PFAS detected |
| Jackson Municipal Water Works | KY0130208 | Jackson | 4,704 | <MRL | <MRL | 0 | No PFAS detected |
| Jamestown Municipal Water Works | KY1040210 | Jamestown | 7,402 | <MRL | <MRL | 0 | No PFAS detected |
| Jeffersonville Water System | KY0870212 | Jeffersonville | 5,335 | <MRL | <MRL | 0 | No PFAS detected |
| Jessamine Co Water District #1 | KY0570214 | Nicholasville | 6,831 | <MRL | <MRL | 0 | No PFAS detected |
| Jessamine S Elkhorn Water Dist | KY0570249 | Nicholasville | 8,826 | <MRL | <MRL | 0 | No PFAS detected |
| Jonathan Creek Water District | KY0790216 | Benton | 7,182 | <MRL | <MRL | 0 | No PFAS detected |
| Judy Water Association | KY0870147 | Mt. Sterling | 5,539 | <MRL | <MRL | 0 | No PFAS detected |
| Kentucky American Water - Middlesboro | KY0070282 | Lexington | 12,022 | <MRL | <MRL | 0 | No PFAS detected |
| Knott Co Water & Sewer District | KY0600062 | Vicco | 8,955 | <MRL | <MRL | 0 | No PFAS detected |
| Knox County Utility Commission | KY0610110 | Barbourville | 8,313 | <MRL | <MRL | 0 | No PFAS detected |
| Lagrange Utilities Commission | KY0930481 | Lagrange | 10,067 | <MRL | <MRL | 0 | No PFAS detected |
| Lancaster Water Works | KY0400233 | Lancaster | 4,573 | <MRL | <MRL | 0 | No PFAS detected |
| Larue County Water District #1 | KY0620237 | Hodgenville | 9,062 | <MRL | <MRL | 0 | No PFAS detected |
| Lebanon Water Works Co Inc | KY0780241 | Lebanon | 7,642 | <MRL | <MRL | 0 | No PFAS detected |
| Leitchfield Water Works | KY0430244 | Leitchfield | 8,438 | <MRL | <MRL | 0 | No PFAS detected |
| Levee Rd Water Association Inc | KY0870246 | Mt Sterling | 2,471 | <MRL | <MRL | 0 | No PFAS detected |
| Louisa Water Department | KY0640257 | Louisa | 8,236 | <MRL | <MRL | 0 | No PFAS detected |
| Madison Co Utilities District | KY0760224 | Richmond | 25,120 | <MRL | <MRL | 0 | No PFAS detected |
| Magoffin County Water District | KY0770525 | Salyersville | 8,925 | <MRL | <MRL | 0 | No PFAS detected |
| Mammoth Cave/Central System | KY0310940 | Cave City | 5,000 | <MRL | <MRL | 0 | No PFAS detected |
| Marion County Water District | KY0780268 | Lebanon | 16,311 | <MRL | <MRL | 0 | No PFAS detected |
| Martin Co Water District #1 | KY0800273 | Inez | 9,003 | <MRL | <MRL | 0 | No PFAS detected |
| Mayfield Electric & Water | KY0420274 | Mayfield | 12,379 | <MRL | <MRL | 0 | No PFAS detected |
| Mckinney Water District | KY0690278 | Mckinney | 5,423 | <MRL | <MRL | 0 | No PFAS detected |
| Meade County Water District | KY0820369 | Bradenburg | 33,313 | <MRL | <MRL | 0 | No PFAS detected |
| Milton Water & Sewer Department | KY1120289 | Milton | 3,861 | <MRL | <MRL | 0 | No PFAS detected |
| Monroe County Water District | KY0860150 | Tompkinville, Ky | 9,608 | <MRL | <MRL | 0 | No PFAS detected |
| Monticello Water & Sewer Commission | KY1160291 | Monticello | 21,000 | <MRL | <MRL | 0 | No PFAS detected |
| Morehead State University | KY1030480 | Morehead | 6,500 | <MRL | <MRL | 0 | No PFAS detected |
| Morehead Utility Plant Board | KY1030292 | Morehead | 9,052 | <MRL | <MRL | 0 | No PFAS detected |
| Morgan County Water District | KY0880594 | West Liberty | 7,502 | <MRL | <MRL | 0 | No PFAS detected |
| Mountain Water Dist | KY0980575 | Pikeville | 44,057 | <MRL | <MRL | 0 | No PFAS detected |
| Mt Sterling Water Works | KY0870298 | Mt Sterling | 16,391 | <MRL | <MRL | 0 | No PFAS detected |
| Mt Vernon Water Works | KY1020299 | Brodhead | 4,951 | <MRL | <MRL | 0 | No PFAS detected |
| Muhlenberg Co Water District | KY0890302 | Greenville | 16,845 | <MRL | <MRL | 0 | No PFAS detected |
| Murray Water System | KY0180306 | Murray | 26,302 | <MRL | <MRL | 0 | No PFAS detected |
| Nicholasville Water Department | KY0570315 | Nicholasville | 35,266 | <MRL | <MRL | 0 | No PFAS detected |
| North Manchester Water Assoc | KY0260266 | Manchester | 5,332 | <MRL | <MRL | 0 | No PFAS detected |
| North Marshall Water District #1 | KY0790319 | Benton | 16,276 | <MRL | <MRL | 0 | No PFAS detected |
| Ohio County Water District | KY0920332 | Hartford | 16,511 | <MRL | <MRL | 0 | No PFAS detected |
| Oldham County Water District | KY0930333 | Buckner | 38,409 | <MRL | <MRL | 0 | No PFAS detected |
| Olive Hill Municipal Water Works | KY0220335 | Olive Hill | 6,192 | <MRL | <MRL | 0 | No PFAS detected |
| Paintsville Municipal Water Works | KY0580340 | Paintsville | 24,354 | <MRL | <MRL | 0 | No PFAS detected |
| Pikeville Water Department | KY0980350 | Pikeville | 9,638 | <MRL | <MRL | 0 | No PFAS detected |
| Pineville Water System | KY0070353 | Pineville | 16,573 | <MRL | <MRL | 0 | No PFAS detected |
| Powell Valley Water District | KY0990357 | Clay City | 7,128 | <MRL | <MRL | 0 | No PFAS detected |
| Prestonsburg City Utilities | KY0360358 | Prestonsburg | 26,788 | <MRL | <MRL | 0 | No PFAS detected |
| Princeton Water & Sewer Commission | KY0170360 | Princeton | 7,007 | <MRL | <MRL | 0 | No PFAS detected |
| Rattlesnake Ridge Water District | KY0220555 | Grayson | 11,397 | <MRL | <MRL | 0 | No PFAS detected |
| Richmond Utilities | KY0760370 | Richmond | 35,640 | <MRL | <MRL | 0 | No PFAS detected |
| Rowan Water Inc | KY1030375 | Morehead | 18,765 | <MRL | <MRL | 0 | No PFAS detected |
| Russell Water Company | KY0450376 | Russell | 5,181 | <MRL | <MRL | 0 | No PFAS detected |
| Sandy Hook Water District | KY0320383 | Sandy Hook | 3,528 | <MRL | <MRL | 0 | No PFAS detected |
| Science Hill Water Works | KY1000362 | Science Hill | 5,940 | <MRL | <MRL | 0 | No PFAS detected |
| Scottsville Water Department | KY0020386 | Scottsville | 6,864 | <MRL | <MRL | 0 | No PFAS detected |
| Sebree Water Department | KY1170388 | Sebree | 1,743 | <MRL | <MRL | 0 | No PFAS detected |
| Somerset Water Service | KY1000403 | Somerset | 29,700 | <MRL | <MRL | 0 | No PFAS detected |
| South Logan Water Association | KY0710707 | Adairville | 5,198 | <MRL | <MRL | 0 | No PFAS detected |
| Southeastern Water Assoc/Nelson Valley | KY1000311 | Somerset | 21,895 | <MRL | <MRL | 0 | No PFAS detected |
| Southern Madison Water District | KY0760407 | Berea | 14,707 | <MRL | <MRL | 0 | No PFAS detected |
| Southern Water & Sewer District | KY0360026 | Mcdoqwell | 15,110 | <MRL | <MRL | 0 | No PFAS detected |
| Springfield Water Works | KY1150415 | Springfield | 13,205 | <MRL | <MRL | 0 | No PFAS detected |
| Stanford Water Works | KY0690417 | Stanford | 9,284 | <MRL | <MRL | 0 | No PFAS detected |
| Stanton Water Works | KY0990418 | Stanton | 6,611 | <MRL | <MRL | 0 | No PFAS detected |
| Trimble Co Water District #1 | KY1120431 | Bedford | 4,146 | <MRL | <MRL | 0 | No PFAS detected |
| Us 60 Water District | KY1060436 | Bagdad | 7,892 | <MRL | <MRL | 0 | No PFAS detected |
| Vanceburg Electric Plant Board | KY0680438 | Vanceburg | 6,921 | <MRL | <MRL | 0 | No PFAS detected |
| Vine Grove Water Department | KY0470440 | Vine Grove | 6,703 | <MRL | <MRL | 0 | No PFAS detected |
| Warren County Water District | KY1140487 | Bowling Green | 91,118 | <MRL | <MRL | 0 | No PFAS detected |
| Webster Co Water District | KY1170995 | Dixon | 5,940 | <MRL | <MRL | 0 | No PFAS detected |
| West Laurel Water Assoc Inc | KY0630451 | London | 14,878 | <MRL | <MRL | 0 | No PFAS detected |
| Western Pulaski Co Water District | KY1000363 | Somerset | 23,264 | <MRL | <MRL | 0 | No PFAS detected |
| Western Rockcastle Water Assoc | KY1020891 | Mt Vernon | 12,623 | <MRL | <MRL | 0 | No PFAS detected |
| Whitesburg Water Works | KY0670466 | Whitesburg | 3,861 | <MRL | <MRL | 0 | No PFAS detected |
| Williamsburg Water Department | KY1180471 | Williamsburg | 5,554 | <MRL | <MRL | 0 | No PFAS detected |
| Williamstown Municipal Water Dept | KY0410472 | Dry Ridge | 5,495 | <MRL | <MRL | 0 | No PFAS detected |
| Winchester Municipal Utilities | KY0250473 | Winchester | 29,823 | <MRL | <MRL | 0 | No PFAS detected |
Highest single result for each system; PFOA and PFOS in ppt (ng/L). Entry-point samples, not tap water; screening comparisons, not compliance determinations.