Brighton City Of
PWSID CO0101025 · Brighton, Colorado · serves 56,304 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 19.3 ppt | — | 8/19/2025 |
| PFPeA | 13.8 ppt | — | 7/11/2024 |
| PFPeA | 12 ppt | — | 7/10/2025 |
| PFOS | 10.6 ppt | 4 ppt | 7/11/2024 |
| PFBA | 10.6 ppt | — | 8/19/2025 |
| PFOS | 10.2 ppt | 4 ppt | 7/11/2024 |
| PFBA | 9.8 ppt | — | 7/11/2024 |
| PFHxA | 9.4 ppt | — | 8/19/2025 |
| PFBA | 9 ppt | — | 7/11/2024 |
| PFBA | 9 ppt | — | 10/8/2024 |
| PFBA | 8.8 ppt | — | 10/8/2024 |
| PFOS | 8.5 ppt | 4 ppt | 10/8/2024 |
| PFBA | 8.5 ppt | — | 7/10/2025 |
| PFOS | 8.2 ppt | 4 ppt | 10/8/2024 |
| PFBA | 8.2 ppt | — | 7/11/2024 |
| PFBA | 7.9 ppt | — | 10/8/2024 |
| PFPeA | 7.7 ppt | — | 8/23/2024 |
| PFBS | 7.4 ppt | — | 7/11/2024 |
| PFBS | 7.4 ppt | — | 7/11/2024 |
| PFHxS | 7.1 ppt | 10 ppt | 7/11/2024 |
| PFHxA | 7 ppt | — | 7/11/2024 |
| PFHxS | 6.9 ppt | 10 ppt | 7/11/2024 |
| PFOS | 6.8 ppt | 4 ppt | 4/24/2024 |
| PFOS | 6.7 ppt | 4 ppt | 4/24/2024 |
| PFBS | 6.6 ppt | — | 10/8/2024 |
| PFPeA | 6.5 ppt | — | 10/8/2024 |
| PFOS | 6.3 ppt | 4 ppt | 1/17/2024 |
| PFOS | 6.3 ppt | 4 ppt | 1/17/2024 |
| PFBS | 6.3 ppt | — | 10/8/2024 |
| PFPeA | 6.2 ppt | — | 1/17/2024 |
| PFPeA | 6.2 ppt | — | 1/17/2024 |
| PFHxS | 6.1 ppt | 10 ppt | 10/8/2024 |
| PFHxS | 6 ppt | 10 ppt | 10/8/2024 |
| PFHxA | 6 ppt | — | 1/17/2024 |
| PFHxS | 5.9 ppt | 10 ppt | 4/24/2024 |
| PFPeA | 5.9 ppt | — | 4/24/2024 |
| PFPeA | 5.8 ppt | — | 4/24/2024 |
| PFHxS | 5.8 ppt | 10 ppt | 4/24/2024 |
| PFHxA | 5.7 ppt | — | 1/17/2024 |
| PFPeA | 5.7 ppt | — | 7/11/2024 |
| PFPeA | 5.6 ppt | — | 7/11/2024 |
| PFBS | 5.6 ppt | — | 1/17/2024 |
| PFBS | 5.5 ppt | — | 1/17/2024 |
| PFHxA | 5.5 ppt | — | 4/24/2024 |
| PFBA | 5.5 ppt | — | 7/11/2024 |
| PFPeA | 5.5 ppt | — | 7/11/2024 |
| PFBS | 5.4 ppt | — | 4/24/2024 |
| PFBS | 5.3 ppt | — | 4/24/2024 |
| PFOA | 5.3 ppt | 4 ppt | 7/11/2024 |
| PFHxS | 5.2 ppt | 10 ppt | 1/17/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2023-04-01 | TTHM | MCL | Yes | Resolved |