Water Quality: Mundelein, IL

6 water systems • 32,980 people served

Some Concerns
40
Total Violations
2
Health-Based Violations
6
Water Systems
32,980
Population Served

Water Quality Summary

Mundelein is served by 6 public water systems with a combined service population of 32,980 people, and has 40 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. Mundelein's violation count is 39% above the national average for Illinois. Contaminants associated with violations include Disinfection Byproducts, Stage 2 DBP.

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

Stage 2 DBP

Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.

Common source: Chlorine disinfection reacting with natural organic matter in source water

EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L

Water Systems Serving Mundelein

System Name PWSID Source Population Violations
MUNDELEIN IL0971150 Surface Water 31,500 12
WEST SHORE PARK SUBDIVISION IL0977370 Groundwater 590 6
SCHWERMANNS 2ND AND 3RD WTR BRD IL0977150 Groundwater 285 5
SYLVAN LAKE 1ST SUBDIVISION IL0977100 Groundwater 210 12
TOWNERS SUBDIVISION IL0977250 Groundwater 206 5
WEST SHORELAND SUBDIVISION IL0977050 Groundwater 189 0

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