La Grange, Illinois Water Quality Report
Water quality data for 1 water system serving 16,200 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in La Grange, Illinois.
Get Water Quality Alerts
Be the first to know when water quality changes in La Grange.
Compliance & Violations
Active Violations (10)
4H
Jul 2, 2025
4H
Jul 2, 2025
72
Jul 1, 2025
72
Jul 1, 2024
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (8)
72
Jul 1, 2023
72
Jul 1, 2023
24
Nov 1, 1996 — Nov 30, 1996
24
Nov 1, 1996 — Nov 30, 1996
22
Jun 1, 1991 — Jun 30, 1991
+ 3 more resolved violations
Frequently Asked Questions
Is La Grange tap water safe to drink?
La Grange'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 La Grange tap water?
0 contaminants have been detected in La Grange's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in La Grange?
Install a water filter rated for the specific contaminants found in La Grange's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does La Grange have any water quality violations?
Yes, La Grange currently has 10 active violations. See the violations section above for details.