Lead pipes by county in Wyoming
Lead, galvanized and unknown service lines reported by the water systems serving each Wyoming county.
| County | Lead | Galv. | Unknown | Systems |
|---|---|---|---|---|
| Albany County | 0 | 931 | 145 | 3 |
| Big Horn County | 6 | 34 | 1,811 | 11 |
| Campbell County | 0 | 2 | 7,262 | 36 |
| Carbon County | 0 | 172 | 4,839 | 10 |
| Converse County | 5 | 14 | 1,774 | 6 |
| Crook County | 0 | 18 | 1,343 | 5 |
| Fremont County | 0 | 188 | 5,343 | 16 |
| Goshen County | 0 | 4 | 1,143 | 6 |
| Hot Springs County | 9 | 0 | 1,224 | 3 |
| Johnson County | 0 | 1 | 234 | 3 |
| Laramie County | 82 | 84 | 29,214 | 12 |
| Lincoln County | 1 | 39 | 3,458 | 20 |
| Natrona County | 146 | 0 | 2,963 | 12 |
| Niobrara County | 18 | 1 | 38 | 2 |
| Park County | 6 | 248 | 9,056 | 8 |
| Platte County | 0 | 378 | 191 | 4 |
| Sheridan County | 397 | 409 | 2,244 | 5 |
| Sublette County | 0 | 36 | 355 | 2 |
| Sweetwater County | 2 | 34 | 1,477 | 14 |
| Teton County | 0 | 134 | 1,822 | 14 |
| Uinta County | 0 | 12 | 1,663 | 5 |
| Washakie County | 0 | 0 | 2,093 | 1 |
| Weston County | 0 | 3 | 766 | 6 |
Systems serving several counties are counted in each. Source: EPA SDWIS service line inventory, 2026 Q3.