We found 12 public water systems that could serve the same population as Brentwood Wd (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Suffolk County Water Authority | Babylon, Brookhaven, East Hampton, Huntington, Islip, Riverhead, Smithtown, Southampton, Southold | 1,100,000 | 3,457 | 9 |
| Ocean Beach Water District | Islip | 4,500 | 0 | 45 |
| Saltaire Water District | Islip | 2,000 | 0 | 26 |
| Ocean Bay Park Water Corp | Islip | 2,000 | 0 | 0 |
| Fair Harbor Wd | Islip | 1,956 | 0 | 1 |
| Pilgrim Psychiatric Center | Islip | 1,200 | 0 | 0 |
| Good Samaritan Hospital Of Islip | Islip | 1,000 | 0 | 0 |
| S.c.police Athletic League | Islip | 500 | 0 | 0 |
| Camp Edey | Islip | 300 | 0 | 0 |
| Islip Town Maintenance Yard | Islip | 45 | 0 | 0 |
| Jack & Jill Day Nursery | Islip | 35 | 0 | 0 |
| Fire Island Lighthouse | Islip | 26 | 0 | 0 |