Lead pipes by county in Texas
Lead, galvanized and unknown service lines reported by the water systems serving each Texas county.
| County | Lead | Galv. | Unknown | Systems |
|---|
| Anderson County | 1 | 60 | 6,845 | 21 |
| Andrews County | 0 | 997 | 41 | 1 |
| Angelina County | 0 | 805 | 207 | 12 |
| Aransas County | 0 | 21 | 297 | 6 |
| Archer County | 0 | 67 | 0 | 5 |
| Armstrong County | 0 | 277 | 69 | 2 |
| Atascosa County | 67 | 41 | 1,471 | 7 |
| Austin County | 44 | 53 | 2,161 | 8 |
| Bailey County | 0 | 0 | 0 | 1 |
| Bandera County | 0 | 251 | 369 | 12 |
| Bastrop County | 0 | 131 | 10,880 | 6 |
| Baylor County | 1 | 84 | 1,138 | 2 |
| Bee County | 0 | 19 | 134 | 3 |
| Bell County | 1 | 2,573 | 9,753 | 23 |
| Bexar County | 1 | 99 | 351,680 | 20 |
| Blanco County | 0 | 581 | 359 | 4 |
| Bosque County | 40 | 276 | 3,119 | 11 |
| Bowie County | 0 | 1 | 22,881 | 12 |
| Brazoria County | 5 | 1,208 | 8,532 | 64 |
| Brazos County | 0 | 143 | 20,569 | 5 |
| Brewster County | 60 | 245 | 1,623 | 1 |
| Briscoe County | 0 | 0 | 79 | 1 |
| Brooks County | 0 | 0 | 11 | 2 |
| Brown County | 0 | 5 | 528 | 6 |
| Burleson County | 2 | 76 | 1,040 | 7 |
| Burnet County | 0 | 77 | 889 | 18 |
| Caldwell County | 0 | 50 | 3,954 | 5 |
| Calhoun County | 0 | 2,563 | 1,194 | 5 |
| Callahan County | 21 | 25 | 693 | 5 |
| Cameron County | 0 | 7 | 30,529 | 17 |
| Camp County | 1 | 376 | 778 | 4 |
| Carson County | 0 | 832 | 803 | 3 |
| Cass County | 1 | 364 | 3,544 | 7 |
| Castro County | 0 | 123 | 34 | 3 |
| Chambers County | 0 | 0 | 233 | 13 |
| Cherokee County | 0 | 551 | 958 | 18 |
| Childress County | 0 | 31 | 2,720 | 5 |
| Clay County | 1 | 1 | 594 | 4 |
| Cochran County | 0 | 0 | 238 | 3 |
| Coke County | 0 | 13 | 397 | 3 |
| Coleman County | 17 | 486 | 718 | 3 |
| Collin County | 10 | 177 | 7,573 | 32 |
| Collingsworth County | 0 | 20 | 1,232 | 3 |
| Colorado County | 782 | 467 | 166 | 7 |
| Comal County | 0 | 3,283 | 12,273 | 21 |
| Comanche County | 0 | 321 | 0 | 4 |
| Concho County | 0 | 90 | 3 | 2 |
| Cooke County | 0 | 37 | 256 | 11 |
| Coryell County | 0 | 539 | 1,974 | 6 |
| Cottle County | 0 | 0 | 0 | 1 |
| Crane County | 0 | 0 | 1,783 | 1 |
| Crockett County | 0 | 0 | 1,674 | 1 |
| Crosby County | 20 | 295 | 338 | 5 |
| Culberson County | 0 | 0 | 1,065 | 1 |
| Dallam County | 0 | 0 | 4,269 | 1 |
| Dallas County | 9 | 637 | 340,673 | 29 |
| Dawson County | 0 | 22 | 14 | 2 |
| Deaf Smith County | 0 | 1,454 | 0 | 1 |
| Delta County | 0 | 0 | 933 | 3 |
| Denton County | 50 | 1,458 | 22,684 | 48 |
| Dewitt County | 0 | 153 | 284 | 4 |
| Dickens County | 0 | 40 | 0 | 1 |
| Dimmit County | 0 | 551 | 106 | 4 |
| Donley County | 0 | 18 | 100 | 4 |
| Duval County | 0 | 0 | 0 | 3 |
| Eastland County | 1 | 118 | 1,052 | 10 |
| Ector County | 0 | 92 | 2,243 | 4 |
| Edwards County | 0 | 32 | 634 | 2 |
| El Paso County | 19 | 54 | 135,998 | 14 |
| Ellis County | 9 | 64 | 9,479 | 25 |
| Erath County | 0 | 0 | 76 | 7 |
| Falls County | 0 | 0 | 2,083 | 5 |
| Fannin County | 152 | 295 | 1,417 | 12 |
| Fayette County | 0 | 24 | 311 | 7 |
| Fisher County | 5 | 25 | 1 | 2 |
| Floyd County | 0 | 26 | 0 | 3 |
| Foard County | 0 | 118 | 169 | 2 |
| Fort Bend County | 1 | 1,958 | 70 | 129 |
| Franklin County | 0 | 0 | 0 | 3 |
| Freestone County | 0 | 2 | 1,088 | 13 |
| Frio County | 0 | 0 | 1 | 3 |
| Gaines County | 0 | 1 | 3,855 | 2 |
| Galveston County | 1 | 228 | 11,586 | 16 |
| Garza County | 2 | 495 | 834 | 1 |
| Gillespie County | 12 | 491 | 63 | 3 |
| Goliad County | 0 | 10 | 80 | 1 |
| Gonzales County | 1 | 106 | 3,556 | 4 |
| Gray County | 0 | 214 | 8,198 | 4 |
| Grayson County | 40 | 394 | 14,856 | 25 |
| Gregg County | 16 | 1,348 | 8,973 | 11 |
| Grimes County | 44 | 0 | 115 | 7 |
| Guadalupe County | 4 | 2,510 | 8,230 | 8 |
| Hale County | 0 | 281 | 3,101 | 6 |
| Hall County | 0 | 16 | 1 | 4 |
| Hamilton County | 48 | 13 | 67 | 2 |
| Hansford County | 2 | 390 | 3 | 2 |
| Hardeman County | 4 | 22 | 1,258 | 6 |
| Hardin County | 39 | 0 | 5,433 | 16 |
| Harris County | 580 | 5,637 | 521,143 | 459 |
| Harrison County | 19 | 0 | 197 | 16 |
| Haskell County | 0 | 438 | 124 | 3 |
| Hays County | 2 | 1,813 | 3,715 | 26 |
| Hemphill County | 0 | 5 | 4 | 1 |
| Henderson County | 0 | 67 | 9,460 | 34 |
| Hidalgo County | 130 | 124 | 39,975 | 23 |
| Hill County | 34 | 106 | 5,810 | 21 |
| Hockley County | 0 | 2 | 2,516 | 3 |
| Hood County | 3 | 18 | 1,173 | 38 |
| Hopkins County | 0 | 0 | 2,323 | 10 |
| Houston County | 34 | 357 | 3,922 | 6 |
| Howard County | 2 | 900 | 464 | 3 |
| Hudspeth County | 0 | 0 | 284 | 4 |
| Hunt County | 0 | 36 | 3,136 | 26 |
| Hutchinson County | 0 | 6 | 3,154 | 5 |
| Irion County | 0 | 2 | 0 | 1 |
| Jack County | 0 | 0 | 1,480 | 2 |
| Jackson County | 0 | 413 | 0 | 5 |
| Jasper County | 2 | 1 | 5,509 | 10 |
| Jeff Davis County | 0 | 2 | 0 | 1 |
| Jefferson County | 30 | 276 | 57,792 | 13 |
| Jim Hogg County | 0 | 0 | 0 | 1 |
| Jim Wells County | 0 | 0 | 949 | 4 |
| Johnson County | 82 | 311 | 14,740 | 19 |
| Jones County | 3 | 311 | 64 | 4 |
| Karnes County | 0 | 13 | 4,280 | 5 |
| Kaufman County | 1 | 19 | 5,780 | 29 |
| Kendall County | 0 | 0 | 2,027 | 4 |
| Kent County | 0 | 0 | 12 | 1 |
| Kerr County | 0 | 1 | 6,829 | 16 |
| King County | 0 | 13 | 0 | 1 |
| Kinney County | 0 | 61 | 2 | 2 |
| Kleberg County | 0 | 473 | 499 | 4 |
| Knox County | 0 | 142 | 177 | 5 |
| La Salle County | 0 | 4 | 44 | 3 |
| Lamar County | 0 | 0 | 8,174 | 5 |
| Lamb County | 0 | 358 | 132 | 4 |
| Lampasas County | 0 | 74 | 745 | 3 |
| Lavaca County | 7 | 24 | 749 | 3 |
| Lee County | 0 | 0 | 0 | 3 |
| Leon County | 0 | 47 | 0 | 6 |
| Liberty County | 0 | 362 | 1,328 | 37 |
| Limestone County | 0 | 374 | 2,130 | 9 |
| Lipscomb County | 2 | 138 | 3 | 3 |
| Live Oak County | 0 | 1 | 1,659 | 4 |
| Llano County | 0 | 357 | 1,172 | 14 |
| Lubbock County | 0 | 472 | 447 | 15 |
| Lynn County | 0 | 5 | 175 | 3 |
| Madison County | 0 | 152 | 0 | 4 |
| Marion County | 3 | 156 | 288 | 7 |
| Martin County | 0 | 0 | 0 | 1 |
| Mason County | 0 | 65 | 796 | 1 |
| Matagorda County | 5 | 324 | 506 | 13 |
| Maverick County | 0 | 0 | 0 | 2 |
| McCulloch County | 2 | 1 | 134 | 4 |
| McLennan County | 44 | 4,229 | 1,128 | 34 |
| McMullen County | 0 | 0 | 307 | 2 |
| Medina County | 0 | 0 | 3,692 | 16 |
| Menard County | 1 | 0 | 10 | 1 |
| Midland County | 0 | 0 | 238 | 5 |
| Milam County | 0 | 223 | 2,681 | 11 |
| Mills County | 0 | 7 | 0 | 1 |
| Mitchell County | 0 | 15 | 789 | 4 |
| Montague County | 5 | 1,556 | 170 | 4 |
| Montgomery County | 1 | 184 | 1,356 | 157 |
| Moore County | 48 | 67 | 73 | 4 |
| Morris County | 7 | 0 | 1,287 | 5 |
| Motley County | 0 | 0 | 389 | 1 |
| Nacogdoches County | 2 | 336 | 173 | 13 |
| Navarro County | 30 | 55 | 1,463 | 17 |
| Newton County | 0 | 0 | 637 | 5 |
| Nolan County | 3 | 407 | 578 | 3 |
| Nueces County | 1 | 572 | 431 | 10 |
| Ochiltree County | 0 | 0 | 4,081 | 1 |
| Oldham County | 0 | 34 | 122 | 3 |
| Orange County | 1 | 729 | 1,963 | 15 |
| Palo Pinto County | 0 | 56 | 11 | 9 |
| Panola County | 0 | 0 | 2,923 | 11 |
| Parker County | 1 | 591 | 1,503 | 39 |
| Parmer County | 0 | 243 | 96 | 3 |
| Pecos County | 0 | 0 | 8 | 3 |
| Polk County | 4 | 64 | 2,304 | 25 |
| Potter County | 0 | 252 | 42,657 | 1 |
| Presidio County | 0 | 46 | 505 | 2 |
| Rains County | 0 | 0 | 754 | 4 |
| Randall County | 0 | 1 | 4,917 | 5 |
| Reagan County | 0 | 1 | 0 | 1 |
| Real County | 0 | 0 | 0 | 2 |
| Red River County | 0 | 319 | 17 | 4 |
| Reeves County | 0 | 0 | 0 | 2 |
| Refugio County | 0 | 23 | 26 | 4 |
| Roberts County | 0 | 0 | 345 | 1 |
| Robertson County | 0 | 179 | 2,559 | 6 |
| Rockwall County | 37 | 16 | 1,630 | 7 |
| Runnels County | 1,104 | 56 | 4 | 4 |
| Rusk County | 0 | 98 | 315 | 21 |
| Sabine County | 0 | 4 | 23 | 7 |
| San Augustine County | 1 | 21 | 315 | 4 |
| San Jacinto County | 1 | 0 | 1,076 | 16 |
| San Patricio County | 0 | 2 | 6,666 | 10 |
| San Saba County | 2 | 16 | 517 | 3 |
| Schleicher County | 0 | 0 | 703 | 1 |
| Scurry County | 0 | 1,707 | 362 | 2 |
| Shackelford County | 0 | 24 | 435 | 3 |
| Shelby County | 0 | 17 | 5 | 14 |
| Sherman County | 0 | 0 | 761 | 1 |
| Smith County | 144 | 3,904 | 23,039 | 29 |
| Somervell County | 0 | 298 | 23 | 5 |
| Starr County | 11 | 4 | 107 | 8 |
| Stephens County | 0 | 0 | 2,263 | 2 |
| Sterling County | 0 | 0 | 2 | 1 |
| Stonewall County | 0 | 0 | 152 | 2 |
| Sutton County | 0 | 1 | 1,374 | 1 |
| Swisher County | 0 | 0 | 133 | 2 |
| Tarrant County | 12 | 33,664 | 20,445 | 53 |
| Taylor County | 0 | 2,219 | 1,103 | 13 |
| Terry County | 0 | 0 | 3,805 | 1 |
| Titus County | 0 | 406 | 550 | 3 |
| Tom Green County | 70 | 226 | 26,223 | 7 |
| Travis County | 0 | 858 | 5,816 | 64 |
| Trinity County | 1 | 19 | 688 | 9 |
| Tyler County | 0 | 963 | 134 | 7 |
| Upshur County | 0 | 25 | 3,553 | 8 |
| Upton County | 2 | 3 | 13 | 2 |
| Uvalde County | 1 | 10 | 0 | 4 |
| Val Verde County | 0 | 196 | 8,856 | 9 |
| Van Zandt County | 36 | 74 | 2,099 | 18 |
| Victoria County | 0 | 15 | 15 | 6 |
| Walker County | 0 | 31 | 7,474 | 8 |
| Waller County | 448 | 17 | 3,159 | 16 |
| Ward County | 0 | 0 | 3,938 | 2 |
| Washington County | 0 | 4 | 1,112 | 5 |
| Webb County | 0 | 0 | 37,636 | 4 |
| Wharton County | 2 | 735 | 1,461 | 7 |
| Wheeler County | 0 | 1,137 | 776 | 4 |
| Wichita County | 0 | 5,716 | 3,795 | 6 |
| Wilbarger County | 2 | 5 | 4,905 | 4 |
| Willacy County | 0 | 0 | 0 | 3 |
| Williamson County | 2 | 193 | 10,745 | 31 |
| Wilson County | 0 | 0 | 1,385 | 13 |
| Winkler County | 4 | 59 | 0 | 2 |
| Wise County | 0 | 122 | 4,800 | 22 |
| Wood County | 4 | 0 | 1,326 | 17 |
| Yoakum County | 0 | 416 | 754 | 2 |
| Young County | 0 | 9 | 1,526 | 3 |
| Zapata County | 1 | 23 | 511 | 4 |
| Zavala County | 0 | 0 | 0 | 3 |
Systems serving several counties are counted in each. Source: EPA SDWIS service line inventory, 2026 Q3.