We found 11 public water systems that could serve the same population as The Emerald (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Clark Fuel Station - Multani Inc. | St Johns | 500 | 0 | 8 |
| Uncle John's Cider Mill | St Johns | 500 | 0 | 7 |
| Hitching Post Restaurant | St Johns | 400 | 0 | 0 |
| Riley Elementary School | St Johns | 281 | 0 | 35 |
| Pilgrim United Meth Church | St Johns | 225 | 0 | 9 |
| Clinton Co Resa | St Johns | 200 | 0 | 0 |
| East Olive School | St Johns | 170 | 0 | 0 |
| Grove Church & Activity Center | St Johns | 100 | 0 | 0 |
| Twin Oaks Golf Course | St Johns | 75 | 0 | 0 |
| Hub Motel | St Johns | 30 | 0 | 0 |
| East Essex Elem. School | St Johns | 25 | 0 | 0 |