We found 8 public water systems that could serve the same population as Sunken Lake Park (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| St. Casimir Church | Posen | 500 | 0 | 3 |
| Posen, Village Of | Posen | 234 | 0 | 15 |
| St. Dominic Catholic Church | Posen | 110 | 0 | 0 |
| P I Council On Aging | Posen | 100 | 0 | 0 |
| Metz Lounge, Rcsk Inc. | Posen | 75 | 0 | 0 |
| Neumann's | Posen | 50 | 0 | 0 |
| Bolton Road House | Posen | 26 | 0 | 0 |
| Fieldstone Manor | Posen | 25 | 0 | 0 |