Public Water Systems
8,098 active water systems in NY.
| 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 | Detected |
| 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 | Detected |
| 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 | Detected |
| 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 | Detected |
| 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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