Water Quality in Chicago, IL (60091)
EPA violation data for public water systems serving ZIP code 60091.
No Health-Based Violations
None of the 10 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are11 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 68% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
27,333
Population
10
Water Systems
11
Violations (5yr)
0
Health-Based
Location
Loading map...
Water Systems Serving This Area (10)
Chicago
Wilmette
Long Grove Dental Studio
Sycamore Trail Mhc
North Shore Camp
North Shore Camp
Illinois Shore Girl Scout Coun
Narrows Resort Homestead
Narrows Resort Pinewood
Illinois Shore Girl Scout Coun
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 (60091) has more violations than 68% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 11, 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.