We found 42 public water systems that could serve the same population as Desoto Parish Water Works District 1 (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Mansfield Water System | County of De Soto Parish | 6,354 | 0 | 22 |
| North Desoto Water System | County of De Soto Parish | 4,500 | 0 | 9 |
| Keatchie Water System | County of De Soto Parish | 3,465 | 84 | 24 |
| East Desoto Water System | County of De Soto Parish | 1,590 | 0 | 23 |
| Logansport Water System | County of De Soto Parish | 1,555 | 0 | 13 |
| Rambin-wallace Water System | County of De Soto Parish | 1,200 | 0 | 9 |
| South Mansfield Water System | County of De Soto Parish | 1,050 | 0 | 27 |
| International Paper (mansfield) | County of De Soto Parish | 908 | 0 | 0 |
| South Desoto Water System | County of De Soto Parish | 840 | 0 | 65 |
| Grand Cane Water System | County of De Soto Parish | 418 | 0 | 10 |
| Stanley Water System | County of De Soto Parish | 400 | 0 | 0 |
| Meadowlake Estates W.s. | County of De Soto Parish | 240 | 0 | 0 |
| Pelican High School | County of De Soto Parish | 196 | 0 | 0 |
| Highway 513 Water Supply | County of De Soto Parish | 120 | 0 | 0 |
| Kinsey Scout Reservation Water System | County of De Soto Parish | 120 | 0 | 0 |
| Airport Mhp Water System | County of De Soto Parish | 100 | 0 | 0 |
| Stonewall Merchantile | County of De Soto Parish | 100 | 0 | 0 |
| International Paper Co | County of De Soto Parish | 100 | 0 | 0 |
| South Coast Ice, Inc | County of De Soto Parish | 100 | 0 | 0 |
| Airport Water Supply | County of De Soto Parish | 92 | 0 | 0 |
| South Stonewall Mhp, Ws | County of De Soto Parish | 85 | 0 | 0 |
| Dolet Hills Mining W.s. | County of De Soto Parish | 85 | 0 | 0 |
| Ricks Well Subd. W. Sys. | County of De Soto Parish | 80 | 0 | 0 |
| Dyson Mhp, Water System | County of De Soto Parish | 66 | 0 | 0 |
| Ricks Well Subdivision | County of De Soto Parish | 64 | 0 | 0 |
| Calhoun Builders, Inc | County of De Soto Parish | 60 | 0 | 0 |
| Rockwood Mhp, Water Sys. | County of De Soto Parish | 60 | 0 | 0 |
| Midyett M H P | County of De Soto Parish | 60 | 0 | 0 |
| Circle Drive Marina W.s. | County of De Soto Parish | 40 | 0 | 0 |
| Southern Natural Gas | County of De Soto Parish | 40 | 0 | 0 |
| Mill Road Apartments Ws | County of De Soto Parish | 35 | 0 | 0 |
| Natchitoches Area Action Assoc | County of De Soto Parish | 30 | 0 | 0 |
| North Desoto Service Center | County of De Soto Parish | 30 | 0 | 0 |
| Natchitoches Area Action Assoc | County of De Soto Parish | 28 | 0 | 0 |
| Jimmy Foshee | County of De Soto Parish | 28 | 0 | 0 |
| Cool Springs Inc. W. Sys | County of De Soto Parish | 27 | 0 | 0 |
| Airport Water Supply | County of De Soto Parish | 25 | 0 | 0 |
| Toledo Bend Park # 2 | County of De Soto Parish | 25 | 0 | 0 |
| American Legion W.s. | County of De Soto Parish | 25 | 0 | 0 |
| Mounce Road Water System (dpwd1) | County of De Soto Parish | 20 | 0 | 0 |
| Airport Water Supply | County of De Soto Parish | 12 | 0 | 0 |
| Southern Natural Gas | County of De Soto Parish | 1 | 0 | 0 |