Public Water Systems
8,098 active public water systems in NY, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| New York City System | Valhalla, NY | 8,271,000 | 47 | Clean |
| Suffolk County Water Authority | Hauppauge, NY | 1,100,000 | 42 | Detected |
| McWa | Rochester, NY | 496,753 | 4 | Clean |
| Ocwa | Syracuse, NY | 350,000 | 7 | Detected |
| Ecwa Direct | Buffalo, NY | 335,000 | 6 | Clean |
| Buffalo Water Authority | Buffalo, NY | 276,000 | 106 | Clean |
| Veolia Water New York | West Nyack, NY | 270,000 | 155 | Detected |
| Liberty Utilities New York - Lynbrook | Merrick, NY | 220,000 | 19 | Detected |
| Rochester City | Rochester, NY | 214,000 | 16 | Clean |
| Yonkers City | Yonkers, NY | 211,569 | 17 | Clean |
| Syracuse City | Syracuse, NY | 192,000 | 106 | Clean |
| Veolia Water New York, Inc. RD-1 | West Nyack, NY | 146,732 | 101 | Clean |
| Liberty Utilities New York - Merrick | Merrick, NY | 135,000 | 249 | Clean |
| Mvwa - Mohawk Valley Water Authority | Utica, NY | 126,250 | 53 | Clean |
| WA of Western Nassau | New Hyde Park, NY | 120,000 | 25 | Detected |
| Town of Hempstead Water Department | East Meadow, NY | 110,000 | 2 | Detected |
| Albany City | Albany, NY | 98,000 | 8 | Clean |
| Latham Water District | Latham, NY | 85,590 | 28 | Clean |
| South Huntington Water District | Centerport, NY | 81,760 | 11 | Clean |
| Ecwa Amherst | Buffalo, NY | 80,228 | 0 | - |
| Mount Vernon Water Department | Mount Vernon, NY | 73,893 | 5 | Clean |
| Tonawanda, Town Water Dept. | Tonawanda, NY | 72,571 | 0 | Clean |
| Schenectady City Water Works | Schenectady, NY | 61,821 | 113 | Clean |
| Westchester Joint Water Works | Mamaroneck, NY | 59,629 | 66 | Clean |
| White Plains City | White Plains, NY | 59,559 | 11 | Clean |
| Jericho WD | Syosset, NY | 58,000 | 373 | Detected |
| Veolia Water New York, Inc. RD-2 | West Nyack, NY | 57,301 | 8 | Detected |
| Hempstead (V) | Hempstead, NY | 56,000 | 237 | Detected |
| Elmira Water Board | Elmira, NY | 54,000 | 92 | Clean |
| Chatham Fair Water Distribution | Chatham, NY | 53,700 | 10 | - |
| Troy City PWS | Glens Falls, NY | 51,401 | 40 | Clean |
| Niagara Falls Water Board | Niagara Falls, NY | 50,193 | 84 | Clean |
| Hicksville WD | Hicksville, NY | 48,000 | 9 | Detected |
| Binghamton, City Of | Binghamton, NY | 47,600 | 27 | Detected |
| Jamestown Bpu | Jamestown, NY | 46,712 | 171 | Clean |
| Kiryas Joel | Monroe, NY | 46,477 | 635 | Detected |
| Endicott Municipal Water Works | Endicott, NY | 45,000 | 11 | Clean |
| Freeport (V) | Freeport, NY | 45,000 | 5 | Clean |
| South Farmingdale WD | Farmingdale, NY | 44,700 | 1 | Clean |
| Poughkeepsie Townwide WD | Poughkeepsie, NY | 43,000 | 6 | Clean |
| Manhasset Lakeville WD | Great Neck, NY | 43,000 | 1,476 | Detected |
| Massapequa WD | Massapequa, NY | 43,000 | 346 | Clean |
| Greenlawn Water District | Greenlawn, NY | 42,000 | 87 | Detected |
| Greenburgh Consolidated WD #1 | Greenburgh, NY | 39,993 | 28 | Clean |
| Yorktown Consold. Water Dist.#1 | Yorktown Heights, NY | 36,000 | 60 | Detected |
| Long Beach City | Long Beach, NY | 35,000 | 21 | Clean |
| Clifton Park Water Authority | Clifton Park, NY | 35,000 | 183 | Detected |
| Riverhead Water District | Riverhead, NY | 35,000 | 156 | Detected |
| Dix Hills Water District | Huntington, NY | 34,522 | 89 | Detected |
| Fort Drum | Fort Drum, NY | 34,000 | 19 | Detected |
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