We found 21 public water systems in Simpson county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Okatoma Water Association #2 | County of Simpson | 6,281 | 0 | 72 |
| Smiths Crossing Water Assn | County of Simpson | 4,900 | 0 | 75 |
| City Of Magee | Magee | 4,408 | 0 | 73 |
| Okatoma Water Association #1 | County of Simpson | 3,060 | 0 | 74 |
| New Hope Water Association | County of Simpson | 2,673 | 0 | 69 |
| City Of Mendenhall | Mendenhall | 2,504 | 0 | 82 |
| Shivers Water Association | County of Simpson | 2,341 | 0 | 78 |
| Harrisville W/a | County of Simpson | 2,133 | 0 | 80 |
| New Hope Water Assoc | County of Simpson | 1,600 | 0 | 0 |
| Highway 28 Water Association | County of Simpson | 1,500 | 0 | 71 |
| Boggan Ridge W/a | County of Simpson | 1,497 | 0 | 74 |
| Boggan Ridge W/a-pine Grove | County of Simpson | 1,138 | 0 | 69 |
| Poplar Springs Water District | County of Simpson | 1,100 | 0 | 80 |
| Town Of Braxton | County of Simpson | 775 | 0 | 109 |
| Wayne Leming | County of Simpson | 688 | 0 | 0 |
| Boggan Ridge W/a-#2 | County of Simpson | 601 | 0 | 0 |
| Town Of Dlo | County of Simpson | 452 | 0 | 90 |
| Boswell Regional Center | County of Simpson | 450 | 0 | 35 |
| Strong River Camp | County of Simpson | 150 | 0 | 0 |
| Howard Industries | County of Simpson | 100 | 0 | 0 |
| Twin Lakes | Florence | 25 | 0 | 0 |