Oak Park, Illinois Water Quality Report
Water quality data for 1 water system serving 54,583 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (20)
Violation
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
Violation
Unknown
Resolved Violations (9)
53
Apr 1, 1997 — Jun 30, 1997
53
Jan 1, 1997 — Mar 31, 1997
65
Jan 1, 1994
51
Jan 1, 1994 — Sep 23, 1993
51
Jul 1, 1993 — Sep 23, 1993
+ 4 more resolved violations
Frequently Asked Questions
Is Oak Park tap water safe to drink?
Oak 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 Oak Park tap water?
0 contaminants have been detected in Oak Park's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Oak Park?
Install a water filter rated for the specific contaminants found in Oak 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 Oak Park have any water quality violations?
Yes, Oak Park currently has 20 active violations. See the violations section above for details.