We found 30 public water systems that could serve the same population as Nelson (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Marshall | Marshall | 13,065 | 20 | 11 |
| Laf/jo/saline Co Cons Pwsd 2 | Counties of Johnson, Lafayette, Saline | 6,365 | 110 | 9 |
| Arrow State Historic Site | Arrow Rock | 5,000 | 0 | 0 |
| Saline Co Pwsd 3 | Marshall | 2,673 | 0 | 11 |
| Slater | Slater | 1,856 | 0 | 7 |
| Sweet Springs | Sweet Springs | 1,428 | 0 | 20 |
| Pettis/johnson/saline Pwsd 1 | Saline | 1,263 | 122 | 14 |
| Saline Co Pwsd 2 | Slater | 870 | 0 | 10 |
| Saline Co Pwsd 1 | Marshall | 480 | 0 | 8 |
| Breaktime C-store | County of Saline | 450 | 0 | 0 |
| Blackburn | Blackburn | 308 | 0 | 0 |
| Marshall Fireworks | County of Saline | 200 | 0 | 0 |
| Bill Barron Standard | Bill Barron | 200 | 0 | 0 |
| Malta Bend | Malta Bend | 200 | 0 | 4 |
| Templeton Shell Service | Templeton Shell | 150 | 0 | 0 |
| Miami | Miami | 140 | 0 | 18 |
| Gilliam | Gilliam | 125 | 0 | 16 |
| Miami Elem School | Miami | 105 | 0 | 0 |
| Mount Leonard | Mount Leonard | 100 | 0 | 0 |
| Countryside Palace | Countryside Pal | 100 | 0 | 0 |
| New Salem Baptist Church | New Salem Bapti | 100 | 0 | 0 |
| Stuckey's #130 | County of Saline | 100 | 0 | 0 |
| Union Baptist Church | Union Baptist | 60 | 0 | 0 |
| Hardeman Elem School | Marshall | 60 | 0 | 0 |
| Van Meter State Park | Miami | 54 | 0 | 0 |
| Arrow Rock | Arrow Rock | 54 | 0 | 0 |
| Cunningham's Skelly | County of Saline | 50 | 0 | 0 |
| Countryside Palace | County of Saline | 25 | 0 | 0 |
| Memorial Baptist Church | Memorial Church | 25 | 0 | 0 |
| Cloverleaf Motel | Cloverleaf Mote | 25 | 0 | 0 |