Coal Valley, Illinois Water Quality Report
Water quality data for 10 water systems serving 4,748 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 46.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 460% | Above guideline |
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Compliance & Violations
Active Violations (91)
72
Jul 1, 2025
72
Jul 1, 2025
72
Jul 1, 2025
72
Jul 1, 2025
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Jul 1, 2025
72
Jul 1, 2025
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Resolved Violations (215)
72
Jul 1, 2024
72
Jul 1, 2024
27
Jan 1, 2024 — Dec 31, 2024
27
Jan 1, 2024 — Dec 31, 2024
27
Jan 1, 2024 — Dec 31, 2024
+ 210 more resolved violations
Frequently Asked Questions
Is Coal Valley tap water safe to drink?
Coal Valley'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 Coal Valley tap water?
1 contaminants have been detected in Coal Valley's water supply across 10 water systems. See the full contaminant table above for details.
How can I improve my water quality in Coal Valley?
Install a water filter rated for the specific contaminants found in Coal Valley's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Coal Valley have any water quality violations?
Yes, Coal Valley currently has 91 active violations. See the violations section above for details.