Water Quality in Joliet, IL (60403)
EPA violation data for public water systems serving ZIP code 60403.
Active Health Violations
2 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 80% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
18,371
Population
7
Water Systems
22
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (7)
Joliet
1 health-basedIl American-West Suburban
Romeoville
Plainfield
Crest Hill
1 health-basedFaith Pentecostal Church
A B Gustos
All resolvedContaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
Copper (Cu)
Exceeds limitSampled: Jan 2023
How Does This Compare?
Joliet (60403) has more violations than 80% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 22.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.