We found 17 public water systems that could serve the same population as Harmon Lincoln Mercury (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Troy City Pws | Troy | 25,770 | 11 | 0 |
| Concord Elementary Schl. | Troy | 573 | 0 | 0 |
| Miami Co-deer Cliff Run Pws | Troy | 526 | 9 | 1 |
| Miami Co-upper Valley Me | Troy | 350 | 0 | 0 |
| Miami East Jr. High Scho | Troy | 250 | 0 | 0 |
| Mid-county Ch.of Christ | Troy | 200 | 0 | 0 |
| Uaw Union Hall | Troy | 150 | 0 | 0 |
| Cove Spring Church Pws | Troy | 100 | 0 | 0 |
| Hole Hunter Golf Inc. | Troy | 100 | 0 | 0 |
| Troy Dairy Barn | Troy | 85 | 0 | 0 |
| Troy Food Mart | Troy | 58 | 0 | 0 |
| The Dugout Sports Bar And Grill Pws | Troy | 50 | 0 | 0 |
| Staunton Grange Hall | Troy | 45 | 0 | 0 |
| B-k Root Beer Pws | Troy | 40 | 0 | 0 |
| Troy Ford, Inc. | Troy | 39 | 0 | 0 |
| Troy Country Club | Troy | 35 | 0 | 0 |
| Miami Valley Wood Recycl | Troy | 15 | 0 | 0 |