We found 9 public water systems that could serve the same population as Palisades Dows Observatory (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Mount Vernon Water Supply | Mount Vernon | 4,506 | 10 | 8 |
| Palisades Kepler - Park Office | Mount Vernon | 308 | 0 | 12 |
| Palisades Kepler State Park - Lodge | Mount Vernon | 208 | 0 | 11 |
| Mount Vernon Community Bible Church | Mount Vernon | 88 | 0 | 0 |
| P&k Midwest | Mount Vernon | 82 | 0 | 0 |
| Kroul Farms | Mount Vernon | 55 | 0 | 0 |
| Linn Crest Heights | Mount Vernon | 52 | 0 | 0 |
| Us Nameplate Company Inc | Mount Vernon | 40 | 0 | 0 |
| South Cedar | Mount Vernon | 25 | 0 | 0 |