Water Quality in Chicago, IL (60639)
EPA violation data for public water systems serving ZIP code 60639.
No Health-Based Violations
None of the 7 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are27 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 82% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
84,240
Population
7
Water Systems
27
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (7)
Chicago
Mai Quesi, Inc
All resolvedNorthwestern Malt & Grain Co
Northwestern Malt & Grain Co
Maranatha Prayer Camp-Church Dorm
Maranatha Prayer Camp-Church
Maranatha Prayer Camp-Blue Dorm
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Approaching limitSampled: Jul 2025
How Does This Compare?
Chicago (60639) has more violations than 82% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 27, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.