We found 25 public water systems that could serve the same population as Waterloo Water System (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Florence Water-wastewater Department | Florence | 66,900 | 100 | 2 |
| West Lauderdale Co Water & Fpa | Florence | 14,454 | 28 | 5 |
| East Lauderdale County Water Authority | Rogersville | 9,348 | 0 | 1 |
| Greenhill Water & Fire Pro Authority | Florence | 7,794 | 62 | 2 |
| Killen Water Works Board | County of Lauderdale | 5,571 | 0 | 0 |
| Rogersville Water Works & Sewer Board | Rogersville | 4,845 | 0 | 4 |
| Chisholm Heights Water & F P Authority | Florence | 4,302 | 0 | 8 |
| Lexington Water Works And Sewer | Lexington | 2,799 | 0 | 9 |
| Anderson Creek Subdivision | County of Lauderdale | 500 | 0 | 0 |
| Falconhead Mobile Home Communi | County of Lauderdale | 384 | 0 | 0 |
| Elk River Seafood Restaurant | County of Lauderdale | 200 | 0 | 0 |
| Elk River Shores Subdivision | County of Lauderdale | 171 | 0 | 0 |
| Riverhill School | County of Lauderdale | 100 | 0 | 0 |
| Hooie Trailer Park | Rogersville | 78 | 0 | 0 |
| Ponderosa Trailer Park | Florence | 75 | 0 | 0 |
| Joe Wheeler State Park | County of Lauderdale | 50 | 0 | 0 |
| Jacksonburg Trailer Court | Florence | 48 | 0 | 0 |
| Camp Hillcrest Ymca | County of Lauderdale | 40 | 0 | 0 |
| Skyview Restaurant | County of Lauderdale | 32 | 0 | 0 |
| Game Cock Restaurant | County of Lauderdale | 32 | 0 | 0 |
| Solomans Tp&s Seafood | County of Lauderdale | 32 | 0 | 0 |
| Bee's Bar-b-que | County of Lauderdale | 32 | 0 | 0 |
| Un Presbyterian Church Cam | County of Lauderdale | 32 | 0 | 0 |
| Twin Rivers Estates | Rogersville | 12 | 0 | 0 |
| Pluris Alabama Llc | Lexington | 0 | 0 | 0 |