Water Quality: Oak Park, IL

1 water system • 54,583 people served

Some Concerns
2
Total Violations
2
Health-Based Violations
1
Water Systems
54,583
Population Served

Water Quality Summary

Oak Park is served by 1 public water system with a combined service population of 54,583 people, and has 2 EPA Safe Drinking Water Act violations on record. Critically, 2 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Oak Park's violation count is 93% below the national average for Illinois. Contaminants associated with violations include Disinfection Byproducts.

Contaminants Found

Disinfection Byproducts

Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.

Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter

Water Systems Serving Oak Park

System Name PWSID Source Population Violations
OAK PARK IL0312250 Surface Water 54,583 2

Concerned About Your Water?

A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.

Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.

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Data Sources

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.

Verify at epa.govSearch ECHO for IL