WATERLOO
PWSID: IL1330300 · WATERLOO, IL · Serving 10,190 people
Type: CWSOwner: LSource: GW
Settlement eligible
Settlement details
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Upgrade to ProCompliant
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
19.5 ppt
Highest single detection
2024-07-31
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 116 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFPeS | ND | — | Below MRL | 2025-02-25 |
| PFHpA | ND | — | Below MRL | 2024-04-22 |
| 4:2 FTS | ND | — | Below MRL | 2024-04-22 |
| NFDHA | ND | — | Below MRL | 2024-04-22 |
| PFMBA | ND | — | Below MRL | 2024-04-22 |