We found 21 public water systems that could serve the same population as Summerville Water System (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Town Of Jena Water System | County of La Salle Parish | 3,614 | 0 | 5 |
| Lasalle Waterworks District 1 | County of La Salle Parish | 2,925 | 0 | 7 |
| Town Of Olla Water System | County of La Salle Parish | 2,250 | 0 | 10 |
| Belah Fellowship Water System | County of La Salle Parish | 1,863 | 0 | 18 |
| Manifest Rhinehart Water System | County of La Salle Parish | 1,311 | 0 | 5 |
| Nebo Water System Inc | County of La Salle Parish | 1,089 | 0 | 13 |
| East Jena Water System Inc | County of La Salle Parish | 990 | 0 | 2 |
| Town Of Tullos Water System | County of La Salle Parish | 792 | 0 | 46 |
| Town Of Urania Water System | County of La Salle Parish | 784 | 0 | 13 |
| Whitehall Water System Inc | County of La Salle Parish | 579 | 0 | 9 |
| Rogers Community Water System Inc | County of La Salle Parish | 495 | 0 | 13 |
| Searcy Water Supply | County of La Salle Parish | 420 | 0 | 0 |
| Pleasant Ridge Water System | County of La Salle Parish | 414 | 0 | 19 |
| Rural Utilities Inc | County of La Salle Parish | 96 | 0 | 0 |
| Pleasant Ridge Water System South | County of La Salle Parish | 90 | 0 | 0 |
| Ganeys Catfish Kitchen | County of La Salle Parish | 25 | 0 | 0 |
| Catahoula Wildlife Refuge | County of La Salle Parish | 25 | 0 | 0 |
| Michigan Wisconsin Co | County of La Salle Parish | 20 | 0 | 0 |
| Jena Choctaw Tribe | County of La Salle Parish | 10 | 0 | 0 |
| East Tullos Water System | County of La Salle Parish | 0 | 0 | 0 |
| Little Creek Zenoria Water System | County of La Salle Parish | 0 | 0 | 0 |