We found 28 public water systems that could serve the same population as Willis Wharf-exmore Elm Sch (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Peacefull Beach Campground | Northampton | 312 | 0 | 0 |
| Madelines | Northampton | 200 | 0 | 0 |
| Shore Stop Inc | Northampton | 200 | 0 | 0 |
| Club 13 | Northampton | 150 | 0 | 0 |
| Shucking House Restaurant | Northampton | 150 | 0 | 0 |
| American Original | Northampton | 150 | 0 | 0 |
| Birdsnest Elementary School | Northampton | 146 | 0 | 0 |
| 771st Ac&w Station | Northampton | 120 | 0 | 0 |
| Doughtys Market | Northampton | 100 | 0 | 0 |
| C & D Seafood Va 71 --ss | Northampton | 100 | 0 | 0 |
| Dutton Exxon | Northampton | 100 | 0 | 0 |
| Rayfields Pharmacy | Northampton | 75 | 0 | 0 |
| Cheriton | Northampton | 75 | 0 | 0 |
| Busy B | Northampton | 60 | 0 | 0 |
| Harvey L Bowen --ss | Northampton | 50 | 0 | 0 |
| H M Terry Co - Ss | Northampton | 50 | 0 | 0 |
| Duntons Texaco Service Station | Northampton | 50 | 0 | 0 |
| Treherneville Trailer Park | Northampton | 50 | 0 | 0 |
| Riggen Trailer Park | Northampton | 50 | 0 | 0 |
| Addison Trailer Park-e Addison | Northampton | 42 | 0 | 0 |
| Air Force Station | Northampton | 36 | 0 | 0 |
| Hidden Valley Trailer Court | Northampton | 35 | 0 | 0 |
| B L Bell & Son -ss | Northampton | 30 | 0 | 0 |
| Capeville Camping Resort | Northampton | 30 | 0 | 0 |
| The Grinnalds Trailer Court | Northampton | 30 | 0 | 0 |
| Northampton Ipo Office | Northampton | 30 | 0 | 0 |
| Eastern Shore Natl Wildlife Re | Northampton | 25 | 0 | 0 |
| Myrtle Grove Park | Northampton | 21 | 0 | 0 |