Liberty Utilities New York - Lynbrook
PWSID NY2902835 · Merrick, New York · serves 220,000 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxS | 6.3 ppt | 10 ppt | 3/1/2024 |
| PFOS | 5.1 ppt | 4 ppt | 3/1/2024 |
| PFNA | 4.1 ppt | 10 ppt | 3/1/2024 |
| PFHxS | 3.3 ppt | 10 ppt | 2/7/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Lead and Copper Rule | TT | Yes | Resolved |
| 2025-01-01 | Lead and Copper Rule | TT | Yes | Resolved |
| 2024-07-01 | Lead and Copper Rule | TT | Yes | Resolved |
| 2024-01-01 | Lead and Copper Rule | TT | Yes | Resolved |
| 2023-07-01 | Lead and Copper Rule | TT | Yes | Resolved |