Wilmette, Illinois Water Quality Report
Water quality data for 1 water system serving 27,087 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (17)
72
Jul 1, 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
Resolved Violations (9)
03
Jun 25, 1979 — Jun 24, 1980
03
Jun 25, 1979 — Jun 24, 1980
03
Jun 25, 1979 — Jun 24, 1980
03
Jun 25, 1979 — Jun 24, 1980
03
Jun 25, 1979 — Jun 24, 1980
+ 4 more resolved violations
Frequently Asked Questions
Is Wilmette tap water safe to drink?
Wilmette'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 Wilmette tap water?
0 contaminants have been detected in Wilmette's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Wilmette?
Install a water filter rated for the specific contaminants found in Wilmette's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Wilmette have any water quality violations?
Yes, Wilmette currently has 17 active violations. See the violations section above for details.