We found 17 public water systems that could serve the same population as Demopolis Lock And Dam (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Demopolis Water Works And Sewer Board | Demopolis | 12,453 | 28 | 12 |
| South Marengo Water & Fire Pro Authority | Linden | 5,610 | 0 | 4 |
| Linden Utilities Board | Linden | 4,521 | 0 | 9 |
| Myrtlewood Water System | Myrtlewood | 3,000 | 0 | 2 |
| Foscue House | Demopolis | 1,584 | 0 | 0 |
| Thomaston Water Works & Gas Board | Thomaston | 1,068 | 0 | 8 |
| Faunsdale Water Works | Faunsdale | 497 | 0 | 40 |
| Sweetwater Water & Sewer Board | Sweet Water | 495 | 0 | 9 |
| Gulf States Paper, Co. | County of Marengo | 495 | 0 | 0 |
| John Essex High School | County of Marengo | 260 | 0 | 0 |
| Marengo High School | County of Marengo | 200 | 0 | 0 |
| Starmont Water System | County of Marengo | 147 | 0 | 0 |
| Rangeline Utility | County of Marengo | 90 | 0 | 0 |
| Eastside French Creek Wtr Wks | Demopolis | 69 | 0 | 0 |
| Demopolis Lock & Dam | County of Marengo | 32 | 0 | 0 |
| Chickasaw State Park | County of Marengo | 30 | 0 | 0 |
| West French Creek Subdivision | County of Marengo | 22 | 0 | 0 |