Clifton Water Dept
PWSID TN0000119 · Clifton, Tennessee · serves 4,110 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 17 ppt | 4 ppt | 6/12/2024 |
| PFOS | 15 ppt | 4 ppt | 1/13/2025 |
| PFOS | 14 ppt | 4 ppt | 9/24/2024 |
| PFOS | 11 ppt | 4 ppt | 4/15/2024 |
| PFBA | 11 ppt | — | 6/12/2024 |
| PFOA | 9.4 ppt | 4 ppt | 6/12/2024 |
| PFOA | 8.7 ppt | 4 ppt | 1/13/2025 |
| PFOA | 7.7 ppt | 4 ppt | 9/24/2024 |
| PFBS | 4.9 ppt | — | 6/12/2024 |
| PFOA | 4.8 ppt | 4 ppt | 4/15/2024 |
| PFBS | 4.8 ppt | — | 9/24/2024 |
| PFHxA | 4.6 ppt | — | 1/13/2025 |
| PFBS | 4.4 ppt | — | 4/15/2024 |
| PFHxA | 4 ppt | — | 9/24/2024 |
| PFHxA | 3.8 ppt | — | 6/12/2024 |
| PFBS | 3.8 ppt | — | 1/13/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-10-01 | TTHM | MCL | Yes | Resolved |
| 2024-07-01 | TTHM | MCL | Yes | Resolved |
| 2024-04-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Resolved |
| 2024-04-01 | TTHM | MCL | Yes | Resolved |
| 2024-01-01 | TTHM | MCL | Yes | Resolved |
| 2023-10-01 | TTHM | MCL | Yes | Resolved |
| 2023-01-01 | TTHM | MCL | Yes | Resolved |
| 2022-10-01 | TTHM | MCL | Yes | Resolved |
| 2022-01-01 | Nitrate | MR | No | Resolved |