We found 13 public water systems in Marion county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Hamilton Water Works & Sewer Board | Hamilton | 10,500 | 0 | 2 |
| Winfield Water Works & Sewer Board | Winfield | 8,631 | 0 | 3 |
| Guin Water & Sewer Board | Guin | 4,416 | 0 | 45 |
| Marion County Public Water Authority | Guin | 3,381 | 0 | 12 |
| Bear Creek Water Works | County of Marion | 3,228 | 0 | 1 |
| Hackleburg Water & Sewer Board | Hackleburg | 2,403 | 0 | 5 |
| Brilliant Water Works | Brilliant | 1,605 | 0 | 0 |
| Twin Water Authority | Guin | 804 | 0 | 16 |
| Gravel Springs Jr High School | County of Marion | 105 | 0 | 0 |
| Sunset Trailer Ct | County of Marion | 50 | 0 | 0 |
| Four Oaks Steak House | County of Marion | 32 | 0 | 0 |
| Rolling Wheels Truck Stop | County of Marion | 32 | 0 | 0 |
| Upper Bear Creek Water Authority | Haleyville | 30 | 0 | 0 |