PWSID: IL1110150 · CRYSTAL LAKE, IL · Serving 40,661 people
All PFAS compounds below EPA Maximum Contaminant Levels.
Source: EPA UCMR5 (UCMR5) · 290 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|---|---|---|---|
| PFUnA | ND | — | Below MRL | 2025-06-11 |
| ADONA | ND | — | Below MRL | 2024-12-03 |
| HFPO-DA | ND | 10 | Below MRL | 2024-12-03 |
| PFBA | ND | — | Below MRL | 2024-12-03 |
| 4:2 FTS | ND | — | Below MRL | 2024-12-03 |