Mundelein, Illinois Water Quality Report
Water quality data for 7 water systems serving 32,980 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (66)
75
Aug 22, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
52
Jul 1, 2025
72
Jul 1, 2025
52
Jul 1, 2025
4G
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
52
Oct 1, 2024
52
Oct 1, 2024
52
Oct 1, 2024
Violation
Unknown
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Unknown
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Unknown
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Resolved Violations (274)
4H
Jul 2, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
03
Jan 1, 2024 — Dec 31, 2024
03
Jan 1, 2024 — Dec 31, 2024
+ 269 more resolved violations
Frequently Asked Questions
Is Mundelein tap water safe to drink?
Mundelein's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Mundelein tap water?
0 contaminants have been detected in Mundelein's water supply across 7 water systems. See the full contaminant table above for details.
How can I improve my water quality in Mundelein?
Install a water filter rated for the specific contaminants found in Mundelein's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Mundelein have any water quality violations?
Yes, Mundelein currently has 66 active violations. See the violations section above for details.