We found 21 public water systems that could serve the same population as South Berwick Water District (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| South Berwick Water District | Berwick, South Berwick | 3,360 | 0 | 11 |
| Berwick Water Department | Berwick | 2,393 | 0 | 48 |
| Msad 60 Noble Middle School | Berwick | 608 | 0 | 4 |
| Spring Hill Inc | South Berwick | 300 | 0 | 20 |
| Woodland Hills Condo Assoc | South Berwick | 253 | 0 | 19 |
| Msad 60 Knowlton School | Berwick | 212 | 0 | 25 |
| Beaver Dam Campground | Berwick | 150 | 0 | 2 |
| The Links At Outlook Gc | South Berwick | 120 | 0 | 0 |
| Sunrise Hill Estates | Berwick | 100 | 0 | 0 |
| Blue Hill Inn | Berwick | 86 | 0 | 0 |
| Berwick Early Learning Center | Berwick | 56 | 0 | 0 |
| Merri-dot Mobile Park | Berwick | 55 | 0 | 0 |
| Child Light Montessori | Berwick | 50 | 0 | 0 |
| Merri-dot Mobile Park | Berwick | 33 | 0 | 0 |
| Partridge Drug Store | Berwick | 33 | 0 | 0 |
| Wilson's-moosehead Lake Surfac | Berwick | 28 | 0 | 0 |
| Little Buddies Childcare Llc | South Berwick | 28 | 0 | 0 |
| Tony's Catering | South Berwick | 25 | 0 | 0 |
| G's Take-out | Berwick | 25 | 0 | 0 |
| Sorrento Spaghetti House | Berwick | 25 | 0 | 0 |
| Demers Mobile Lunch | South Berwick | 25 | 0 | 0 |