Ctwc - Crystal System
PWSID CT0690011 · Clinton, Connecticut · serves 6,378 people · groundwater source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOA | 9.9 ppt | 4 ppt | 4/7/2025 |
| PFOA | 9 ppt | 4 ppt | 10/8/2024 |
| PFOS | 6.8 ppt | 4 ppt | 10/8/2024 |
| PFOS | 6.8 ppt | 4 ppt | 4/7/2025 |
| PFOA | 5.5 ppt | 4 ppt | 4/7/2025 |
| PFOA | 5.1 ppt | 4 ppt | 10/8/2024 |
| PFOS | 4.5 ppt | 4 ppt | 4/7/2025 |
| PFHxS | 4 ppt | 10 ppt | 4/7/2025 |
| PFBS | 3.3 ppt | — | 4/7/2025 |
| PFHxS | 3.2 ppt | 10 ppt | 10/8/2024 |
| PFBS | 3 ppt | — | 10/8/2024 |
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. 🎉