We found 13 public water systems that could serve the same population as Knowltons Seashore Campground (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Passamaquoddy Water District | Eastport, Perry | 2,000 | 0 | 39 |
| Dup Knowltons Trailer Park | Perry | 285 | 0 | 0 |
| Dup Knowltons Trailer Park | Perry | 285 | 0 | 0 |
| New Friendly Restaurant Inc | Perry | 225 | 0 | 24 |
| Aos 77 Perry Elementary School | Perry | 142 | 0 | 9 |
| Dup Sunrise Shores | Perry | 100 | 0 | 0 |
| Dup Sunrise Shores | Perry | 100 | 0 | 0 |
| Sunrise Shores | Perry | 100 | 0 | 0 |
| Clark School C/o Union 104 | Perry | 99 | 0 | 0 |
| Ginos | Perry | 84 | 0 | 0 |
| Chalets Take-out | Perry | 25 | 0 | 0 |
| Dot's Take-out Service | Perry | 25 | 0 | 0 |
| Ethel's Place | Perry | 16 | 0 | 0 |