We found 20 public water systems in Monroe county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| City Of Amory | Amory | 9,250 | 0 | 66 |
| Town Of Aberdeen | County of Monroe | 5,432 | 0 | 75 |
| Cason Water Association | County of Monroe | 4,377 | 0 | 76 |
| Hamilton Water District | County of Monroe | 3,923 | 0 | 97 |
| Quincy Water Association #1 | County of Monroe | 3,350 | 0 | 69 |
| WREN W/A | County of Monroe | 3,300 | 0 | 76 |
| Town Of Smithville | County of Monroe | 1,900 | 0 | 75 |
| Town Of Hatley | County of Monroe | 1,713 | 0 | 70 |
| Village Of Gattman | County of Monroe | 1,520 | 0 | 93 |
| Gaines-trace Water Association | County of Monroe | 1,300 | 0 | 71 |
| Coontail Water Association | County of Monroe | 1,225 | 0 | 69 |
| Quincy Water Association #2 | County of Monroe | 1,219 | 0 | 71 |
| Coy Hill, President | Amory | 999 | 0 | 0 |
| Tronox | County of Monroe | 500 | 0 | 1 |
| Cason Water Assn. #1 | Nettleton | 453 | 0 | 0 |
| WREN W/A #2-NORTH | Aberdeen | 335 | 0 | 0 |
| Greenwood Springs School | Greenwood Sprin | 160 | 0 | 0 |
| Greenwood Springs School | Greenwood Spgs | 160 | 0 | 0 |
| City Of Aberdeen | County of Monroe | 112 | 0 | 0 |
| Southern Natural Gas | Prairie | 35 | 0 | 0 |