Water Quality: Antioch, IL

2 water systems • 14,199 people served

Multiple Health Violations
40
Total Violations
4
Health-Based Violations
2
Water Systems
14,199
Population Served

Water Quality Summary

Antioch is served by 2 public water systems with a combined service population of 14,199 people, and has 40 EPA Safe Drinking Water Act violations on record. Critically, 4 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Antioch's violation count is 39% above the national average for Illinois. Contaminants associated with violations include Barium, Disinfection Byproducts.

Contaminants Found

Barium

Increases blood pressure and causes cardiovascular effects with long-term exposure.

Common source: Natural rock deposits, oil drilling operations, coal power plant waste

EPA limit: 2 mg/L

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 Antioch

System Name PWSID Source Population Violations
ANTIOCH IL0970050 Groundwater 14,175 10
BLUFF LAKE LODGES, INC. IL0970240 Groundwater 24 30

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.

Other Cities in Illinois

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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