We found 20 public water systems that could serve the same population as Great Valley Town W.d. #2 (sno-pine) (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Ellicottville Central School | Great Valley | 800 | 0 | 1 |
| Green Valley Estates | Great Valley | 250 | 0 | 3 |
| Great Valley Town W.d. #1 | Great Valley | 230 | 0 | 2 |
| Great Valley Town W.d. #4 (highland Ave. | Great Valley | 105 | 0 | 0 |
| Country Village Estates | Great Valley | 75 | 0 | 0 |
| Great Valley Residential Center | Great Valley | 40 | 0 | 0 |
| Great Valley Town W.d. #3 (bonne Val) | Great Valley | 35 | 0 | 0 |
| Great Valley Trading Post | Great Valley | 35 | 0 | 0 |
| Karlies | Great Valley | 30 | 0 | 0 |
| Roadside Cafe | Great Valley | 25 | 0 | 0 |
| Dollar General #6383 | Great Valley | 25 | 0 | 0 |
| Eddys Restaurant | Great Valley | 25 | 0 | 0 |
| Valley Roadside Bakeshop | Great Valley | 25 | 0 | 0 |
| Kings Market | Great Valley | 25 | 0 | 0 |
| Rowlands Country Kitchen | Great Valley | 25 | 0 | 0 |
| Stone Mountain Chalets | Great Valley | 25 | 0 | 0 |
| The Pub | Great Valley | 25 | 0 | 0 |
| Great Valley Fire Co. | Great Valley | 24 | 0 | 0 |
| Green Gable Village | Great Valley | 24 | 0 | 0 |
| Creekside Mobile Home Park | Great Valley | 24 | 0 | 0 |