We found 35 public water systems that could serve the same population as Parma (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Portageville | Portageville | 3,250 | 0 | 6 |
| New Madrid | New Madrid | 3,116 | 0 | 5 |
| New Madrid Co Pwsd 5 | County of New Madrid | 1,900 | 0 | 26 |
| Lilbourn | Lilbourn | 1,330 | 0 | 15 |
| St Jude Industrial Park | New Madrid | 1,200 | 0 | 0 |
| Gideon | Gideon | 1,051 | 0 | 28 |
| Morehouse | Morehouse | 972 | 0 | 10 |
| Ten-four Truck Stop | County of New Madrid | 925 | 0 | 0 |
| Matthews | Matthews | 625 | 0 | 0 |
| Marston | Marston | 600 | 0 | 18 |
| New Madrid Co Pwsd 2 | Kewanee | 600 | 0 | 18 |
| New Madrid Co Pwsd 1 | Lilbourn | 568 | 0 | 4 |
| New Madrid Co Pwsd # 6 | County of New Madrid | 483 | 0 | 3 |
| New Madrid Co Pwsd 4 | Canalou | 420 | 0 | 24 |
| Tallapoosa | Tallapoosa | 330 | 0 | 0 |
| Risco | Risco | 250 | 0 | 10 |
| Cross Truck Stop Inc | Cross Truck Sto | 200 | 0 | 0 |
| Purky's Truck Stop | County of New Madrid | 150 | 0 | 0 |
| Heritage Gardens Of Sikeston | County of New Madrid | 88 | 0 | 0 |
| North Lilbourn | Lilbourn | 81 | 0 | 0 |
| Bokerton Headstart | Bokerton Headst | 73 | 0 | 0 |
| Peach Orchard School | Gideon | 33 | 0 | 0 |
| State School #10 | Wardell | 27 | 0 | 0 |
| Portageville-plant 2 | County of New Madrid | 25 | 0 | 0 |
| Portageville-plant 1 | County of New Madrid | 25 | 0 | 0 |
| Scotty's S&c Truck Plaza | Scottys Truck P | 25 | 0 | 0 |
| New Madrid Memorial Airpor | New Madrid Airp | 25 | 0 | 0 |
| Cutmart I-55 Truck Plaza | County of New Madrid | 25 | 0 | 0 |
| Flying J Travel Service | County of New Madrid | 25 | 0 | 0 |
| Matthews Travel Center | County of New Madrid | 25 | 0 | 0 |
| Monsanto - Ag | County of New Madrid | 25 | 0 | 0 |
| First Baptist Church | Baptist Church | 25 | 0 | 0 |
| Bockerton Baptist Church | Baptist Church | 25 | 0 | 0 |
| Peach Orchard Baptist Church | Baptist Church | 25 | 0 | 0 |
| Larvalle Baptist Church | Baptist Church | 25 | 0 | 0 |