Green Valley, Illinois Water Quality Report
Water quality data for 3 water systems serving 876 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (18)
75
Aug 22, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
72
Jul 1, 2025
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (34)
71
Jul 1, 2014
71
Jul 1, 2014
71
Jul 1, 2012
71
Jul 1, 2012
03
Oct 1, 2008 — Dec 31, 2008
+ 29 more resolved violations
Frequently Asked Questions
Is Green Valley tap water safe to drink?
Green Valley'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 Green Valley tap water?
0 contaminants have been detected in Green Valley's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Green Valley?
Install a water filter rated for the specific contaminants found in Green 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 Green Valley have any water quality violations?
Yes, Green Valley currently has 18 active violations. See the violations section above for details.