We found 15 public water systems that could serve the same population as Island Management Inc, Madaket Beach (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Wannacomet Water Company | Nantucket | 27,703 | 24 | 68 |
| Siasconset Water Department | Nantucket | 3,000 | 0 | 44 |
| Surfside Beach | Nantucket | 1,500 | 0 | 19 |
| Wauwinet House | Nantucket | 300 | 0 | 10 |
| Madaket Beach | Nantucket | 250 | 0 | 0 |
| Miacomet Golf Course | Nantucket | 175 | 0 | 0 |
| Dionis Beach | Nantucket | 100 | 0 | 0 |
| Star Of The Sea Youth Hostel | Nantucket | 60 | 0 | 0 |
| Sankaty Head Golf Club Inc. | Nantucket | 60 | 0 | 0 |
| Millies Restaurant | Nantucket | 50 | 0 | 0 |
| The Childrens House | Nantucket | 36 | 0 | 0 |
| The Muse | Nantucket | 25 | 0 | 0 |
| Nantucket Quaise Day Care | Nantucket | 25 | 0 | 0 |
| V.f.w. Post # 8608 | Nantucket | 25 | 0 | 0 |
| Nantucket Water (bottled) | Nantucket | 25 | 0 | 0 |