Calumet City, Illinois Water Quality Report
Water quality data for 1 water system serving 37,000 people.
Water Source
Detected Contaminants
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Compliance & Violations
Active Violations (10)
75
Aug 2, 2025
2E
Oct 17, 2024
2E
Oct 17, 2024
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (54)
72
Jul 1, 2025
3A
Jul 1, 2025 — Jul 31, 2025
72
Jul 1, 2025
72
Jul 1, 2023
72
Jul 1, 2023
+ 49 more resolved violations
Frequently Asked Questions
Is Calumet City tap water safe to drink?
Calumet City's water meets all EPA maximum contaminant levels. However, 2 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Calumet City tap water?
2 contaminants have been detected in Calumet City's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Calumet City?
Install a water filter rated for the specific contaminants found in Calumet City's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Calumet City have any water quality violations?
Yes, Calumet City currently has 10 active violations. See the violations section above for details.