Parker Wsd
PWSID CO0118040 · Parker, Colorado · serves 75,949 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 14 ppt | — | 4/2/2025 |
| PFPeA | 13.5 ppt | — | 10/2/2024 |
| PFPeA | 12.9 ppt | — | 1/22/2025 |
| PFPeA | 12.9 ppt | — | 4/2/2025 |
| PFPeA | 12.4 ppt | — | 7/1/2025 |
| PFHxA | 11.9 ppt | — | 4/2/2025 |
| PFHxA | 11 ppt | — | 4/2/2025 |
| PFHxA | 10.9 ppt | — | 10/2/2024 |
| PFHxA | 10.3 ppt | — | 1/22/2025 |
| PFHxA | 8.9 ppt | — | 7/1/2025 |
| PFBA | 8.6 ppt | — | 10/2/2024 |
| PFBA | 7.9 ppt | — | 4/2/2025 |
| PFBA | 7.8 ppt | — | 1/22/2025 |
| PFBA | 7.6 ppt | — | 4/2/2025 |
| PFBA | 7.6 ppt | — | 7/1/2025 |
| PFPeA | 7.4 ppt | — | 1/22/2025 |
| PFPeA | 6.7 ppt | — | 7/1/2025 |
| PFHxA | 5.8 ppt | — | 1/22/2025 |
| PFHxA | 5.1 ppt | — | 7/1/2025 |
| PFOA | 4.8 ppt | 4 ppt | 4/2/2025 |
| PFBS | 4.6 ppt | — | 4/2/2025 |
| PFOA | 4.5 ppt | 4 ppt | 4/2/2025 |
| PFBS | 4.3 ppt | — | 4/2/2025 |
| PFBS | 4.2 ppt | — | 10/2/2024 |
| PFPeA | 4 ppt | — | 10/2/2024 |
| PFBS | 3.4 ppt | — | 1/22/2025 |
| PFHxA | 3.3 ppt | — | 10/2/2024 |
| PFBS | 3.1 ppt | — | 7/1/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |
| 2024-07-01 | Chlorite | MR | No | Resolved |
| 2024-07-01 | Chlorine dioxide | MR | No | Archived |
| 2024-02-01 | E. COLI | MR | No | Resolved |
| 2023-09-01 | Surface Water Treatment Rule | MR | No | Resolved |
| 2022-07-01 | Consumer Confidence Rule | Other | No | Resolved |