Marseilles, Illinois Water Quality Report
Water quality data for 5 water systems serving 5,501 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 42.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 420% | Above guideline |
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Compliance & Violations
Active Violations (9)
75
Aug 22, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
2E
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
72
Jul 1, 2024
75
Oct 13, 2018
Resolved Violations (491)
71
Jul 1, 2025
71
Jul 1, 2025
72
Jul 1, 2024
72
Jul 1, 2024
71
Jul 1, 2023
+ 486 more resolved violations
Frequently Asked Questions
Is Marseilles tap water safe to drink?
Marseilles'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 Marseilles tap water?
1 contaminants have been detected in Marseilles's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Marseilles?
Install a water filter rated for the specific contaminants found in Marseilles's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Marseilles have any water quality violations?
Yes, Marseilles currently has 121 active violations. See the violations section above for details.