Hanover Park, Illinois Water Quality Report
Water quality data for 1 water system serving 37,470 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (1)
72
Jul 1, 2025
Resolved Violations (101)
03
Jan 1, 2014 — Dec 31, 2016
03
Jan 1, 2014 — Dec 31, 2016
03
Jan 1, 2014 — Dec 31, 2016
03
Jan 1, 2014 — Dec 31, 2016
03
Jan 1, 2014 — Dec 31, 2016
+ 96 more resolved violations
Frequently Asked Questions
Is Hanover Park tap water safe to drink?
Hanover Park'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 Hanover Park tap water?
0 contaminants have been detected in Hanover Park's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Hanover Park?
Install a water filter rated for the specific contaminants found in Hanover Park's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Hanover Park have any water quality violations?
Yes, Hanover Park currently has 1 active violation. See the violations section above for details.