We found 23 public water systems that could serve the same population as Cedar Island State Park (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Porkys Place | Hammond | 500 | 0 | 0 |
| Hammond Central School | Hammond | 380 | 0 | 22 |
| Schermerhorn Landing-duck Cove | Hammond | 250 | 0 | 1 |
| Schermerhorn Harbor Llc | Hammond | 250 | 0 | 14 |
| Mcgregor Properties, Llc | Hammond | 75 | 0 | 0 |
| Burkes Chippewa Lodge | Hammond | 50 | 0 | 0 |
| Billings Cottages, Oak Point Resort | Hammond | 48 | 0 | 0 |
| Galley Restaurant, The | Hammond | 48 | 0 | 0 |
| Pine Bay Farm | Hammond | 48 | 0 | 0 |
| Riverbay Adventure Inn | Hammond | 45 | 0 | 0 |
| Lodges At Oak Point, The | Hammond | 30 | 0 | 0 |
| Sorrentos Shady Oaks | Hammond | 30 | 0 | 0 |
| Ferrone Camps | Hammond | 30 | 0 | 0 |
| Back Bay Campground | Hammond | 28 | 0 | 0 |
| Blind Bay Marine | Hammond | 25 | 0 | 0 |
| Neds General Store | Hammond | 25 | 0 | 0 |
| Chippewa Bay Store | Hammond | 25 | 0 | 0 |
| Spicy Olive Cafe' Llc | Hammond | 25 | 0 | 0 |
| Seveys Point | Hammond | 25 | 0 | 0 |
| Covells | Hammond | 25 | 0 | 0 |
| Hammond Market & More | Hammond | 25 | 0 | 0 |
| C-bam, Llc | Hammond | 25 | 0 | 0 |
| Singer Castle | Hammond | 25 | 0 | 0 |