Bgwc I-20 (Sc3250012)
PWSID SC3250012 · Columbia, South Carolina · serves 7,435 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| HFPO-DA | 9.5 ppt | 10 ppt | 11/18/2025 |
| HFPO-DA | 9.2 ppt | 10 ppt | 11/18/2025 |
| PFOS | 8.3 ppt | 4 ppt | 11/18/2025 |
| PFOS | 7.9 ppt | 4 ppt | 11/18/2025 |
| HFPO-DA | 7.8 ppt | 10 ppt | 3/19/2025 |
| HFPO-DA | 7.6 ppt | 10 ppt | 12/10/2025 |
| PFOS | 7.4 ppt | 4 ppt | 12/10/2025 |
| PFOA | 5.7 ppt | 4 ppt | 11/18/2025 |
| PFOS | 5.5 ppt | 4 ppt | 3/19/2025 |
| PFOA | 5.5 ppt | 4 ppt | 11/18/2025 |
| PFBA | 5.3 ppt | — | 12/10/2025 |
| PFPeA | 4.6 ppt | — | 11/18/2025 |
| PFPeA | 4.5 ppt | — | 11/18/2025 |
| PFHxA | 4 ppt | — | 11/18/2025 |
| PFHxA | 4 ppt | — | 11/18/2025 |
| PFHxA | 3.8 ppt | — | 12/10/2025 |
| PFPeA | 3.7 ppt | — | 12/10/2025 |
| PFPeA | 3.6 ppt | — | 3/19/2025 |
| PFHxA | 3.2 ppt | — | 3/19/2025 |
| PFBS | 3 ppt | — | 11/18/2025 |
| PFBS | 3 ppt | — | 11/18/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
No violations on record in the period covered. 🎉