Water Quality in Chicago, IL (60305)
EPA violation data for public water systems serving ZIP code 60305.
No Health-Based Violations
None of the 14 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are12 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 70% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
11,992
Population
14
Water Systems
12
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (14)
Chicago
River Forest
Thatcher Woods Gr 4 Hp 3137
Thatcher Woods Gr 4 Hp 3137
Thatcher Woods 3134
Thatcher Woods 3139
Thatcher Woods 3139
Thatcher Wds 3138
Thatcher Wds 3138
Thatcher Woods 3137
Thatcher Woods 3137
Thatcher Woods 3143
Thatcher Woods 3118
Thatcher Woods 3143
Contaminants Found
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Approaching limitSampled: Jul 2025
How Does This Compare?
Chicago (60305) has more violations than 70% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 12, 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.