Nassau County Water Violations
Nassau County in New York has 44 active public water systems. Together, these systems have 25 health-based violations on record out of 1,220 total. Health-based violations indicate a contaminant exceeded EPA limits or required treatment was not performed.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Liberty Utilities New York - Merrick | 135,000 | Groundwater | 92 | 6 |
| Liberty Utilities New York - Lynbrook | 220,000 | Groundwater | 45 | 6 |
| Sands Point (V) | 2,900 | Groundwater | 6 | 6 |
| Plainview Wd | 34,000 | Groundwater | 3 | 2 |
| Port Washington Wd | 34,000 | Groundwater | 2 | 2 |
| Long Beach City | 35,000 | Groundwater | 2 | 1 |
| Williston Park (V) | 7,287 | Groundwater | 2 | 1 |
| Lido-Point Lookout Wd | 2,000 | Groundwater | 1 | 1 |
| Albertson Wd | 13,500 | Groundwater | 724 | 0 |
| Tobay Beach | 2,420 | Groundwater | 194 | 0 |
| Franklin Square Wd | 20,000 | Groundwater | 114 | 0 |
| Hempstead (V) | 56,000 | Groundwater | 4 | 0 |
| Rockville Centre (V) | 24,700 | Groundwater | 3 | 0 |
| Mineola (V) | 20,600 | Groundwater | 3 | 0 |
| Westbury Wd | 20,500 | Groundwater | 3 | 0 |
| Old Westbury (V) | 4,700 | Groundwater | 3 | 0 |
| Plandome (V) | 1,600 | Groundwater Purchased | 3 | 0 |
| Seawanhaka Yacht Club | 60 | Groundwater | 3 | 0 |
| Massapequa Wd | 43,000 | Groundwater | 2 | 0 |
| Cathedral Gardens Wd | 1,500 | Groundwater Purchased | 2 | 0 |
| Wa of Western Nassau | 120,000 | Groundwater | 1 | 0 |
| West Hempstead Wd | 32,031 | Groundwater | 1 | 0 |
| Glen Cove City | 28,000 | Groundwater | 1 | 0 |
| Garden City (V) | 23,272 | Groundwater | 1 | 0 |
| Roslyn Wd | 17,000 | Groundwater | 1 | 0 |
| Farmingdale (V) | 8,744 | Groundwater | 1 | 0 |
| Oyster Bay Wd | 8,700 | Groundwater | 1 | 0 |
| Bayville (V) | 6,700 | Groundwater | 1 | 0 |
| East Williston (V) | 2,556 | Groundwater Purchased | 1 | 0 |
| Town of Hempstead Water Department | 110,000 | Groundwater | 0 | 0 |
| Jericho Wd | 58,000 | Groundwater | 0 | 0 |
| Hicksville Wd | 48,000 | Groundwater | 0 | 0 |
| Freeport (V) | 45,000 | Groundwater | 0 | 0 |
| South Farmingdale Wd | 44,700 | Groundwater | 0 | 0 |
| Manhasset Lakeville Wd | 43,000 | Groundwater | 0 | 0 |
| Bethpage Wd | 33,000 | Groundwater | 0 | 0 |
| Jones Beach State Park | 30,799 | Groundwater | 0 | 0 |
| Garden City Park Wd | 18,000 | Groundwater | 0 | 0 |
| Liberty Utilities New York - Sea Cliff | 13,400 | Groundwater | 0 | 0 |
| Carle Place Wd | 9,005 | Groundwater | 0 | 0 |
| Locust Valley Wd | 7,500 | Groundwater | 0 | 0 |
| Glenwood Wd | 1,000 | Groundwater Purchased | 0 | 0 |
| Liberty Utilities New York - Mill Neck | 280 | Groundwater | 0 | 0 |
| Beaver Dam Winter Sports | 35 | Groundwater | 0 | 0 |