Water Quality in Chicago, IL (60631)
EPA violation data for public water systems serving ZIP code 60631.
Active Health Violations
1 health-based violation 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 94% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
30,924
Population
22
Water Systems
70
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (22)
Chicago
Rosebud Mhp
Blackhawk Estates Llc
1 health-basedAll Saints Chapel Well #2
Shady Oaks Mhp
Willoway Terrace Mhp
All resolvedSunny Acres Mhp
Yankeeland Rv Resort
Ashaway Pines Rv Resort Llc
Shoreline Trc Mhp
Catskill Rv Resort
All resolvedCaldwell Woods Gr 1 2108
Caldwell Woods Gr 1 Hp 2108
Pleasant Ridge Mhp
Yankeeland Rv Resort #2
Harbor Lites-Pistakee Fshg Cl
All Saints Chapel Well #3
Caldwell Woods 2107
Caldwell Woods 2107
Caldwell Woods 2092
Caldwell Woods 2092
Fossil Rock Recreation Area
Contaminants Found
Annual water quality report delivery requirement.
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
At high levels, nitrate can cause blue baby syndrome in infants.
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 (60631) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 70.
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.
Whole House Carbon Filter
A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.
Targets:Chlorine, Sediment, Taste & Odor
Look for:NSF/ANSI 42 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.