Glen Carbon, Illinois Water Quality Report
Water quality data for 2 water systems serving 12,957 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 9.4 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 94% | Near guideline |
| PFBA | 0.016 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFPeA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
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Compliance & Violations
Active Violations (1)
72
Jul 1, 2025
Resolved Violations (54)
27
Jul 1, 2024 — Sep 30, 2024
27
Jul 1, 2024 — Sep 30, 2024
27
Jul 1, 2024 — Sep 30, 2024
27
Jul 1, 2024 — Sep 30, 2024
27
Jan 1, 2019 — Sep 30, 2019
+ 49 more resolved violations
Frequently Asked Questions
Is Glen Carbon tap water safe to drink?
Glen Carbon's water meets all EPA maximum contaminant levels. However, 4 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Glen Carbon tap water?
4 contaminants have been detected in Glen Carbon's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Glen Carbon?
Install a water filter rated for the specific contaminants found in Glen Carbon's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Glen Carbon have any water quality violations?
Yes, Glen Carbon currently has 1 active violation. See the violations section above for details.