Union, Illinois Water Quality Report
Water quality data for 1 water system serving 594 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (20)
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
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (75)
71
Jul 1, 2025
71
Jul 1, 2025
75
Jan 21, 2010
75
Jan 21, 2010
02
Jul 1, 2009 — Sep 30, 2009
+ 70 more resolved violations
Frequently Asked Questions
Is Union tap water safe to drink?
Union'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 Union tap water?
0 contaminants have been detected in Union's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Union?
Install a water filter rated for the specific contaminants found in Union's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Union have any water quality violations?
Yes, Union currently has 20 active violations. See the violations section above for details.