We found 11 public water systems that could serve the same population as Warren County Fair Grnds (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Harmony Manor | Harmony Twp | 150 | 0 | 0 |
| The Stage Coach Inn | Harmony Twp | 100 | 0 | 0 |
| Mapledale Dairy | Harmony Twp | 50 | 0 | 0 |
| Ss Dianne | Harmony Twp | 50 | 0 | 0 |
| Stampyak Market | Harmony Twp | 50 | 0 | 0 |
| Brainards Cafe | Harmony Twp | 50 | 0 | 0 |
| Dornichs Tavern | Harmony Twp | 50 | 0 | 0 |
| Ginas Place/harmony Mnr | Harmony Twp | 50 | 0 | 0 |
| Radient Star Rest Home | Harmony Twp | 28 | 0 | 0 |
| Buckhorn Casino | Harmony Twp | 25 | 0 | 0 |
| Harmony Hardware | Harmony Twp | 25 | 0 | 0 |