Westchester, Illinois Water Quality Report
Water quality data for 1 water system serving 16,241 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 (17)
27
Oct 1, 2024 — Dec 31, 2024
27
Oct 1, 2024 — Dec 31, 2024
27
Oct 1, 2024 — Dec 31, 2024
27
Oct 1, 2024 — Dec 31, 2024
27
Oct 1, 2024 — Dec 31, 2024
+ 12 more resolved violations
Frequently Asked Questions
Is Westchester tap water safe to drink?
Westchester'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 Westchester tap water?
0 contaminants have been detected in Westchester's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Westchester?
Install a water filter rated for the specific contaminants found in Westchester's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Westchester have any water quality violations?
Yes, Westchester currently has 6 active violations. See the violations section above for details.