Charleston, Illinois Water Quality Report
Water quality data for 3 water systems serving 26,536 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFPeA | 0.003 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
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Compliance & Violations
Active Violations (38)
72
Jul 1, 2025
2E
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
72
Jul 1, 2024
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Resolved Violations (75)
75
Sep 1, 2025
75
Sep 1, 2025
27
Aug 1, 2025 — Aug 31, 2025
3A
Aug 1, 2025 — Aug 31, 2025
72
Jul 1, 2025
+ 70 more resolved violations
Frequently Asked Questions
Is Charleston tap water safe to drink?
Charleston'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 Charleston tap water?
1 contaminants have been detected in Charleston's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Charleston?
Install a water filter rated for the specific contaminants found in Charleston's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Charleston have any water quality violations?
Yes, Charleston currently has 38 active violations. See the violations section above for details.