Herrin, Illinois Water Quality Report
Water quality data for 1 water system serving 12,747 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBA | 0.011 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
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Compliance & Violations
Active Violations (12)
4H
Jul 2, 2025
4H
Jul 2, 2025
52
Jul 1, 2025
52
Jul 1, 2025
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (7)
72
Jul 1, 2025
72
Jul 1, 2025
27
Jul 1, 2024 — Sep 30, 2024
27
Jul 1, 2024 — Sep 30, 2024
27
Jul 1, 2024 — Sep 30, 2024
+ 2 more resolved violations
Frequently Asked Questions
Is Herrin tap water safe to drink?
Herrin's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Herrin tap water?
1 contaminants have been detected in Herrin's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Herrin?
Install a water filter rated for the specific contaminants found in Herrin's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Herrin have any water quality violations?
Yes, Herrin currently has 12 active violations. See the violations section above for details.