Lead pipes by county in Kentucky
Lead, galvanized and unknown service lines reported by the water systems serving each Kentucky county.
| County | Lead | Galv. | Unknown | Systems |
|---|
| Adair County | 0 | 8 | 9,258 | 1 |
| Allen County | 0 | 0 | 190 | 2 |
| Anderson County | 0 | 65 | 731 | 2 |
| Ballard County | 0 | 0 | 0 | 4 |
| Barren County | 0 | 0 | 0 | 2 |
| Bath County | 2 | 0 | 0 | 3 |
| Bell County | 0 | 0 | 0 | 2 |
| Boone County | 1 | 115 | 1,766 | 3 |
| Bourbon County | 0 | 6 | 3,485 | 1 |
| Boyd County | 0 | 0 | 13,353 | 3 |
| Boyle County | 0 | 14 | 8,552 | 2 |
| Bracken County | 1 | 102 | 340 | 3 |
| Breathitt County | 0 | 0 | 2,050 | 2 |
| Breckinridge County | 0 | 82 | 859 | 3 |
| Bullitt County | 0 | 19 | 3,511 | 2 |
| Butler County | 0 | 0 | 395 | 2 |
| Caldwell County | 0 | 646 | 218 | 3 |
| Calloway County | 22 | 1 | 1,174 | 7 |
| Carlisle County | 0 | 48 | 0 | 1 |
| Carroll County | 0 | 266 | 1,500 | 2 |
| Carter County | 3 | 20 | 1,986 | 3 |
| Casey County | 0 | 0 | 212 | 2 |
| Christian County | 0 | 2,007 | 45 | 4 |
| Clark County | 0 | 16 | 6,100 | 2 |
| Clay County | 0 | 0 | 5,559 | 2 |
| Clinton County | 0 | 0 | 5,076 | 1 |
| Crittenden County | 1 | 0 | 1,418 | 1 |
| Cumberland County | 0 | 34 | 524 | 2 |
| Daviess County | 0 | 0 | 21 | 5 |
| Edmonson County | 0 | 0 | 0 | 3 |
| Elliott County | 0 | 0 | 1,570 | 1 |
| Estill County | 0 | 0 | 2,318 | 2 |
| Fayette County | 28 | 39 | 69,237 | 1 |
| Fleming County | 0 | 0 | 0 | 2 |
| Floyd County | 0 | 65 | 5,289 | 4 |
| Franklin County | 0 | 30 | 13,703 | 4 |
| Fulton County | 0 | 41 | 1,820 | 2 |
| Gallatin County | 0 | 71 | 0 | 2 |
| Garrard County | 0 | 0 | 7,463 | 2 |
| Grant County | 0 | 0 | 1,583 | 4 |
| Graves County | 0 | 334 | 0 | 7 |
| Grayson County | 1 | 0 | 2,301 | 2 |
| Green County | 0 | 11 | 670 | 2 |
| Greenup County | 0 | 315 | 4,320 | 7 |
| Hancock County | 0 | 355 | 464 | 2 |
| Hardin County | 0 | 273 | 0 | 4 |
| Harlan County | 1 | 257 | 3,930 | 10 |
| Harrison County | 8 | 260 | 609 | 2 |
| Hart County | 13 | 1,055 | 2,362 | 3 |
| Henderson County | 0 | 2,025 | 4,942 | 2 |
| Henry County | 0 | 0 | 0 | 3 |
| Hickman County | 0 | 8 | 1 | 2 |
| Hopkins County | 5 | 209 | 6,911 | 10 |
| Jackson County | 0 | 1 | 1,409 | 2 |
| Jefferson County | 483 | 2,064 | 59,521 | 1 |
| Jessamine County | 0 | 0 | 861 | 4 |
| Johnson County | 0 | 379 | 0 | 1 |
| Kenton County | 4,047 | 61 | 21,644 | 1 |
| Knott County | 0 | 0 | 945 | 2 |
| Knox County | 0 | 0 | 4,433 | 2 |
| Larue County | 0 | 0 | 2,070 | 2 |
| Laurel County | 0 | 132 | 11,928 | 5 |
| Lawrence County | 0 | 0 | 2,005 | 1 |
| Lee County | 0 | 0 | 2,397 | 1 |
| Leslie County | 0 | 0 | 0 | 1 |
| Letcher County | 1 | 0 | 2,929 | 4 |
| Lewis County | 0 | 0 | 0 | 2 |
| Lincoln County | 0 | 26 | 2,827 | 4 |
| Livingston County | 0 | 1 | 1,476 | 5 |
| Logan County | 0 | 923 | 2,602 | 7 |
| Lyon County | 0 | 16 | 824 | 4 |
| Madison County | 0 | 12 | 17,661 | 5 |
| Magoffin County | 0 | 0 | 1,125 | 2 |
| Marion County | 0 | 461 | 0 | 2 |
| Marshall County | 0 | 5 | 6,349 | 5 |
| Martin County | 1 | 11 | 779 | 1 |
| Mason County | 0 | 0 | 4,973 | 4 |
| McCracken County | 121 | 625 | 17,345 | 1 |
| McCreary County | 0 | 0 | 0 | 1 |
| McLean County | 0 | 187 | 46 | 5 |
| Meade County | 0 | 13 | 227 | 4 |
| Menifee County | 0 | 0 | 535 | 1 |
| Mercer County | 3 | 89 | 6,219 | 4 |
| Metcalfe County | 0 | 0 | 1,264 | 1 |
| Monroe County | 0 | 324 | 617 | 3 |
| Montgomery County | 0 | 412 | 742 | 6 |
| Morgan County | 0 | 0 | 0 | 2 |
| Muhlenberg County | 19 | 48 | 2,725 | 5 |
| Nelson County | 0 | 135 | 311 | 4 |
| Nicholas County | 0 | 0 | 963 | 3 |
| Ohio County | 0 | 236 | 20 | 4 |
| Oldham County | 0 | 0 | 0 | 2 |
| Owsley County | 0 | 0 | 1,037 | 1 |
| Pendleton County | 0 | 8 | 141 | 4 |
| Perry County | 427 | 1,832 | 2 | 3 |
| Pike County | 1 | 0 | 8,394 | 3 |
| Powell County | 0 | 7 | 420 | 3 |
| Pulaski County | 0 | 3 | 2,905 | 8 |
| Robertson County | 0 | 33 | 63 | 1 |
| Rockcastle County | 1 | 126 | 6,507 | 4 |
| Rowan County | 0 | 31 | 1,650 | 3 |
| Russell County | 0 | 0 | 2,703 | 2 |
| Scott County | 0 | 0 | 0 | 1 |
| Shelby County | 0 | 179 | 2,470 | 4 |
| Simpson County | 0 | 1,040 | 0 | 2 |
| Spencer County | 55 | 85 | 684 | 1 |
| Taylor County | 0 | 0 | 0 | 1 |
| Todd County | 0 | 104 | 4,329 | 5 |
| Trigg County | 0 | 1 | 3,354 | 2 |
| Trimble County | 0 | 0 | 0 | 2 |
| Union County | 0 | 205 | 1,460 | 4 |
| Warren County | 0 | 3,703 | 0 | 2 |
| Washington County | 0 | 356 | 0 | 1 |
| Wayne County | 0 | 0 | 0 | 1 |
| Webster County | 3 | 37 | 1,518 | 6 |
| Whitley County | 0 | 80 | 4,360 | 4 |
| Wolfe County | 0 | 0 | 0 | 1 |
| Woodford County | 0 | 0 | 4,127 | 4 |
Systems serving several counties are counted in each. Source: EPA SDWIS service line inventory, 2026 Q3.