We found 11 public water systems that could serve the same population as Troll Valley Campground (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Farmington Village Corp Water Dept | Farmington | 4,050 | 0 | 5 |
| Msad 09 Mt Blue High School | Farmington | 746 | 0 | 0 |
| Farmington Falls Std Water Dist | Chesterville, Farmington, New Sharon | 225 | 0 | 3 |
| Farmington Ski Club | Farmington | 174 | 0 | 30 |
| Anson St. Apartments | Farmington | 100 | 0 | 0 |
| Ethel Walton Housing | Farmington | 98 | 0 | 0 |
| Holley Farm Resort | Farmington | 75 | 0 | 0 |
| Deer Crossing Apartments | Farmington | 60 | 0 | 0 |
| Central Maine Power-farmington | Farmington | 45 | 0 | 0 |
| Sandy River School | Farmington | 25 | 0 | 0 |
| Farmington Christian Scl | Farmington | 25 | 0 | 0 |