CREST HILL
PWSID: IL1970250 · CREST HILL, IL · Serving 21,169 people
Type: CWSOwner: LSource: GW
Settlement eligible
Settlement details
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Upgrade to ProExceeds MCL
One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.
Key contaminants vs MCL
EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31
Exact contamination levels
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Upgrade to ProDetection summary
34.8 ppt
Highest single detection
2023-06-12
Latest sample date
complete
Data completeness
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 406 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFOS | ND | 4 | Below MRL | 2023-06-12 |
| PFHpS | ND | — | Below MRL | 2023-06-12 |
| ADONA | ND | — | Below MRL | 2023-06-12 |
| HFPO-DA | ND | 10 | Below MRL | 2023-06-12 |
| NEtFOSAA | ND | — | Below MRL | 2023-12-28 |