Lyons, Illinois Water Quality Report
Water quality data for 1 water system serving 10,304 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (12)
4H
Jul 2, 2025
4H
Jul 2, 2025
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (26)
71
Jul 1, 2020
71
Jul 1, 2020
22
Jun 1, 1998 — Jun 30, 1998
22
Jun 1, 1998 — Jun 30, 1998
53
Jul 1, 1997 — Dec 31, 1997
+ 21 more resolved violations
Frequently Asked Questions
Is Lyons tap water safe to drink?
Lyons'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 Lyons tap water?
0 contaminants have been detected in Lyons's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Lyons?
Install a water filter rated for the specific contaminants found in Lyons's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Lyons have any water quality violations?
Yes, Lyons currently has 12 active violations. See the violations section above for details.