NORTH CHICAGO
PWSID: IL0971250 · NORTH CHICAGO, IL · Serving 16,813 people
Type: CWSOwner: LSource: SW
Compliant
All PFAS compounds below EPA Maximum Contaminant Levels.
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
N/A ppt
Highest single detection
2025-08-04
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 116 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFTrDA | ND | — | Below MRL | 2025-02-25 |
| NEtFOSAA | ND | — | Below MRL | 2025-02-25 |
| PFDA | ND | — | Below MRL | 2025-02-25 |
| PFDoA | ND | — | Below MRL | 2025-02-25 |
| PFHxA | ND | — | Below MRL | 2025-02-25 |
Violation history(1 violation, all resolved)
Maximum Contaminant Level - HFPO-DA (GenX)(HFPO-DA (GenX))
Health-based2024-04-01 · Resolved · Tier 2
Violation details
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