We found 19 public water systems in Choctaw county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Gilbertown (utilities Board Of Town Of) | Gilbertown | 6,300 | 0 | 3 |
| Butler Water System | Butler | 4,395 | 0 | 7 |
| North Choctaw Water & Sewer Authority | Lisman | 3,552 | 0 | 23 |
| Fort James-pennington, Inc. | County of Choctaw | 1,400 | 0 | 0 |
| South Choctaw Water District | County of Choctaw | 1,248 | 0 | 0 |
| Pennington (utilities Board Of) | Pennington | 1,206 | 0 | 12 |
| Choctaw-edna Water Authority, Inc. | Pennington | 894 | 0 | 2 |
| Mount Sterling Water Authority | County of Choctaw | 600 | 0 | 0 |
| Lisman Jr High School | County of Choctaw | 550 | 0 | 0 |
| Ezell's Fish Camp | County of Choctaw | 200 | 0 | 0 |
| Jachin Lumber Company | County of Choctaw | 75 | 0 | 0 |
| Littlepage Lumber Company | County of Choctaw | 50 | 0 | 0 |
| Choctaw Country Club, Inc | County of Choctaw | 50 | 0 | 0 |
| Mitchells Cafe | County of Choctaw | 32 | 0 | 0 |
| Coffeville Lock & Dam/corp Eng | County of Choctaw | 32 | 0 | 0 |
| Choctaw County Activity Center | County of Choctaw | 30 | 0 | 0 |
| 1st Encounter Club | County of Choctaw | 30 | 0 | 0 |
| M & M Day Care Center | County of Choctaw | 26 | 0 | 0 |
| Bobby's Fish Camp | County of Choctaw | 25 | 0 | 0 |