Danbury Water Department
PWSID CT0340011 · Danbury, Connecticut · serves 62,055 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOA | 5.4 ppt | 4 ppt | 12/10/2024 |
| PFOA | 5 ppt | 4 ppt | 9/17/2025 |
| PFOA | 4.9 ppt | 4 ppt | 12/10/2024 |
| PFOA | 4.4 ppt | 4 ppt | 6/11/2025 |
| PFOA | 4.4 ppt | 4 ppt | 9/17/2025 |
| PFBS | 4.3 ppt | — | 3/18/2025 |
| PFBS | 4.3 ppt | — | 9/17/2025 |
| PFOA | 4.2 ppt | 4 ppt | 6/11/2025 |
| PFOA | 4.1 ppt | 4 ppt | 3/18/2025 |
| PFBS | 4 ppt | — | 6/11/2025 |
| PFHxA | 3.6 ppt | — | 9/17/2025 |
| PFBS | 3.5 ppt | — | 12/10/2024 |
| PFPeA | 3.4 ppt | — | 9/17/2025 |
| PFHxA | 3.3 ppt | — | 12/10/2024 |
| PFPeA | 3.3 ppt | — | 12/10/2024 |
| PFPeA | 3.2 ppt | — | 12/10/2024 |
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. 🎉