Riverhead Water District
PWSID NY5103705 · Riverhead, New York · serves 35,000 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 5.2 ppt | 4 ppt | 6/20/2023 |
| PFOA | 4 ppt | 4 ppt | 6/20/2023 |
| PFHxA | 3.3 ppt | — | 6/20/2023 |
| PFPeA | 3.2 ppt | — | 6/20/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2023-07-01 | Nitrate-Nitrite | MR | No | Resolved |
| 2023-07-01 | Nitrite | MCL | Yes | Resolved |