Union County Water System
PWSID NC0190413 · Monroe, North Carolina · serves 169,685 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 10 ppt | — | 10/4/2023 |
| PFHxA | 7.4 ppt | — | 10/4/2023 |
| PFPeA | 6.9 ppt | — | 7/3/2023 |
| PFHxA | 6.7 ppt | — | 7/3/2023 |
| PFBA | 6.5 ppt | — | 4/10/2023 |
| PFPeA | 6.2 ppt | — | 4/10/2023 |
| PFHxA | 6.2 ppt | — | 4/10/2023 |
| PFBA | 5.5 ppt | — | 7/3/2023 |
| PFPeA | 5.1 ppt | — | 1/18/2023 |
| PFOS | 4.9 ppt | 4 ppt | 7/3/2023 |
| PFHxA | 4.5 ppt | — | 1/18/2023 |
| PFOA | 4.2 ppt | 4 ppt | 7/3/2023 |
| PFOS | 4.1 ppt | 4 ppt | 10/4/2023 |
| PFPeA | 4 ppt | — | 10/4/2023 |
| PFPeA | 3.6 ppt | — | 7/3/2023 |
| PFHxA | 3.5 ppt | — | 7/3/2023 |
| PFPeA | 3.3 ppt | — | 1/18/2023 |
| PFHxA | 3.3 ppt | — | 10/4/2023 |
| PFHxA | 3 ppt | — | 1/18/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-07-01 | Consumer Confidence Rule | Other | No | Resolved |