Chicago Heights, Illinois Water Quality Report
Water quality data for 1 water system serving 26,184 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (6)
4H
Jul 2, 2025
4H
Jul 2, 2025
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (34)
27
Jan 1, 2025 — Mar 31, 2025
27
Jan 1, 2025 — Mar 31, 2025
27
Jan 1, 2025 — Mar 31, 2025
27
Jan 1, 2025 — Mar 31, 2025
27
Jan 1, 2025 — Mar 31, 2025
+ 29 more resolved violations
Frequently Asked Questions
Is Chicago Heights tap water safe to drink?
Chicago Heights'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 Chicago Heights tap water?
0 contaminants have been detected in Chicago Heights's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Chicago Heights?
Install a water filter rated for the specific contaminants found in Chicago Heights's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Chicago Heights have any water quality violations?
Yes, Chicago Heights currently has 6 active violations. See the violations section above for details.