Nassau County, New York
Water Systems
44
Population Served
1,387,489
Total Violations
7,471
PFAS Detected
22
of 33 tested
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| LIBERTY UTILITIES NEW YORK - LYNBROOK | 220,000 | 19 | Detected |
| LIBERTY UTILITIES NEW YORK - MERRICK | 135,000 | 249 | Detected |
| WA OF WESTERN NASSAU | 120,000 | 25 | Detected |
| TOWN OF HEMPSTEAD WATER DEPARTMENT | 110,000 | 2 | Detected |
| JERICHO WD | 58,000 | 373 | Detected |
| HEMPSTEAD (V) | 56,000 | 237 | Detected |
| HICKSVILLE WD | 48,000 | 9 | Detected |
| FREEPORT (V) | 45,000 | 5 | Clean |
| SOUTH FARMINGDALE WD | 44,700 | 1 | Clean |
| MANHASSET LAKEVILLE WD | 43,000 | 1,476 | Detected |
| MASSAPEQUA WD | 43,000 | 346 | Clean |
| LONG BEACH CITY | 35,000 | 21 | Detected |
| PLAINVIEW WD | 34,000 | 236 | Detected |
| PORT WASHINGTON WD | 34,000 | 582 | Detected |
| BETHPAGE WD | 33,000 | 9 | Detected |
| WEST HEMPSTEAD WD | 32,031 | 327 | Clean |
| JONES BEACH STATE PARK | 30,799 | 17 | — |
| GLEN COVE CITY | 28,000 | 534 | Detected |
| ROCKVILLE CENTRE (V) | 24,700 | 131 | Clean |
| GARDEN CITY (V) | 23,272 | 96 | Detected |
| MINEOLA (V) | 20,600 | 82 | Detected |
| WESTBURY WD | 20,500 | 34 | Detected |
| FRANKLIN SQUARE WD | 20,000 | 127 | Clean |
| GARDEN CITY PARK WD | 18,000 | 16 | Detected |
| ROSLYN WD | 17,000 | 95 | Detected |
| ALBERTSON WD | 13,500 | 1,243 | Detected |
| LIBERTY UTILITIES NEW YORK - SEA CLIFF | 13,400 | 9 | Clean |
| CARLE PLACE WD | 9,005 | 248 | Clean |
| FARMINGDALE (V) | 8,744 | 8 | Clean |
| OYSTER BAY WD | 8,700 | 12 | Detected |
| LOCUST VALLEY WD | 7,500 | 6 | Detected |
| WILLISTON PARK (V) | 7,287 | 14 | Detected |
| BAYVILLE (V) | 6,700 | 76 | Clean |
| OLD WESTBURY (V) | 4,700 | 9 | Clean |
| SANDS POINT (V) | 2,900 | 0 | — |
| EAST WILLISTON (V) | 2,556 | 9 | — |
| TOBAY BEACH | 2,420 | 247 | — |
| LIDO-POINT LOOKOUT WD | 2,000 | 16 | — |
| PLANDOME (V) | 1,600 | 20 | — |
| CATHEDRAL GARDENS WD | 1,500 | 76 | — |
| GLENWOOD WD | 1,000 | 1 | — |
| LIBERTY UTILITIES NEW YORK - MILL NECK | 280 | 18 | — |
| SEAWANHAKA YACHT CLUB | 60 | 298 | — |
| BEAVER DAM WINTER SPORTS | 35 | 112 | — |