We found 15 public water systems in Dallam county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Dalhart Municipal Water System | County of Dallam | 8,256 | 0 | 5 |
| Texline Municipal Water System | County of Dallam | 521 | 0 | 0 |
| Hilmar Cheese Company | County of Dallam | 420 | 0 | 4 |
| Jbs Live Pork Stateline | County of Dallam | 100 | 0 | 0 |
| Jbs Live Pork Panhandle | County of Dallam | 100 | 0 | 0 |
| Premium Standard Farms Inc | County of Dallam | 100 | 0 | 0 |
| State Line Christian School | County of Dallam | 57 | 0 | 0 |
| Cargill Sweet Bran Dalhart Pws | County of Dallam | 40 | 0 | 0 |
| Equal 1 Feedlot | County of Dallam | 26 | 0 | 0 |
| Cross Integrated Transport | County of Dallam | 25 | 0 | 0 |
| Rita Blanca Co-op Inc | County of Dallam | 24 | 0 | 0 |
| Bennett C Store | County of Dallam | 24 | 0 | 0 |
| Taylor Water Company | County of Dallam | 15 | 0 | 0 |
| Kerrick Elev Ws | County of Dallam | 15 | 0 | 0 |
| Cowboy The | County of Dallam | 15 | 0 | 0 |