We found 41 public water systems that could serve the same population as Chestnut Ridge Water District (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Ecwa Hamburg (v) | Hamburg | 41,538 | 0 | 0 |
| Ecwa Hamburg (t) | Hamburg | 11,314 | 0 | 0 |
| Nys Thruway- Thruway Wd | Hamburg | 1,545 | 0 | 0 |
| Lakeview Wd | Hamburg | 1,005 | 0 | 0 |
| Wanakah Water Co | Hamburg | 65 | 0 | 0 |
| Abbott Highland Wd | Hamburg | 25 | 0 | 0 |
| Clark Street Wd | Hamburg | 1 | 0 | 0 |
| Camp Road Lakeshore Wd | Hamburg | 1 | 0 | 0 |
| Vail Wd | Hamburg | 1 | 0 | 0 |
| Bain Wd | Hamburg | 1 | 0 | 0 |
| Big Tree Garden Wd | Hamburg | 1 | 0 | 0 |
| Bristol Wd | Hamburg | 1 | 0 | 0 |
| Central Hamburg Wd | Hamburg | 1 | 0 | 0 |
| Hamburg Wd #1 | Hamburg | 1 | 0 | 0 |
| Hamburg Wd #2 | Hamburg | 1 | 0 | 0 |
| Bayview Road Wd | Hamburg | 1 | 0 | 0 |
| Beetow Drive Wd | Hamburg | 1 | 0 | 0 |
| Bonnie Lane Wd | Hamburg | 1 | 0 | 0 |
| Hamburg Orchard Park Wd | Hamburg | 1 | 0 | 0 |
| Knob Lillydale Benz Wd | Hamburg | 1 | 0 | 0 |
| Lewis Drive Wd | Hamburg | 1 | 0 | 0 |
| Meadowbrook Greenfield Wd | Hamburg | 1 | 0 | 0 |
| Ockler Camp Road Wd | Hamburg | 1 | 0 | 0 |
| Woodlawn Wd | Hamburg | 1 | 0 | 0 |
| Clover Bank Wd | Hamburg | 1 | 0 | 0 |
| East Frontier Drive Wd | Hamburg | 1 | 0 | 0 |
| Glendale Heights Wd | Hamburg | 1 | 0 | 0 |
| Hollywood Water District | Hamburg | 1 | 0 | 0 |
| Lakeshore Wd | Hamburg | 1 | 0 | 0 |
| Mount Vernon Wd | Hamburg | 1 | 0 | 0 |
| Salem Drive Wd | Hamburg | 1 | 0 | 0 |
| Windover Water District | Hamburg | 1 | 0 | 0 |
| South Town Water District | Hamburg | 1 | 0 | 0 |
| Meadowbrook Wd#12 | Hamburg | 1 | 0 | 0 |
| Burke Wd | Hamburg | 1 | 0 | 0 |
| Old Lake View Road Wd | Hamburg | 1 | 0 | 0 |
| Mckinley Wd#1 | Hamburg | 1 | 0 | 0 |
| Osborne Sagamore Heights Wd | Hamburg | 1 | 0 | 0 |
| Parker Big Tree Road Wd | Hamburg | 1 | 0 | 0 |
| Picture Lake Wd | Hamburg | 1 | 0 | 0 |
| Shore Heights Wd | Hamburg | 1 | 0 | 0 |