We found 21 public water systems that could serve the same population as Sleepy Hollow (village) (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Kensico Water District | Mount Pleasant | 17,917 | 30 | 7 |
| Pleasantville Water District | Mount Pleasant | 9,500 | 17 | 5 |
| Valhalla Wd (mt. Pleasant) | Mount Pleasant | 6,153 | 0 | 0 |
| Thornwood Water District | Mount Pleasant | 5,835 | 0 | 0 |
| Hawthorne Improvement District | Mount Pleasant | 5,464 | 0 | 0 |
| Pace University | Mount Pleasant | 2,753 | 0 | 3 |
| Old Farm Hill Water District | Mount Pleasant | 1,768 | 0 | 1 |
| Bear Ridge Lake Water District | Mount Pleasant | 518 | 0 | 0 |
| Westwood Swim And Tennis Assoc | Mount Pleasant | 350 | 0 | 3 |
| Pocantico Hills Water District | Mount Pleasant | 329 | 0 | 8 |
| Applehill Farm Water District | Mount Pleasant | 209 | 0 | 2 |
| Quality Inn-hawthorne Circle | Mount Pleasant | 150 | 0 | 0 |
| Pleasant Ridge Water District | Mount Pleasant | 95 | 0 | 0 |
| Meadowbrook Water District | Mount Pleasant | 91 | 0 | 0 |
| Mill River Water District | Mount Pleasant | 74 | 0 | 0 |
| 15 Commerce Street Restaurant Corp. | Mount Pleasant | 60 | 0 | 0 |
| Pleasantville Road Water District | Mount Pleasant | 56 | 0 | 0 |
| Pleasantville Extension #1 | Mount Pleasant | 49 | 0 | 0 |
| Fire Systems Inc | Mount Pleasant | 35 | 0 | 0 |
| Ludl Electronics Products | Mount Pleasant | 30 | 0 | 0 |
| Rockefeller State Park | Mount Pleasant | 25 | 0 | 0 |