Water Quality: Marseilles, IL

4 water systems • 5,489 people served

Multiple Health Violations
35
Total Violations
7
Health-Based Violations
4
Water Systems
5,489
Population Served

Water Quality Summary

Marseilles is served by 4 public water systems with a combined service population of 5,489 people, and has 35 EPA Safe Drinking Water Act violations on record. Critically, 7 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Marseilles's violation count is 21% 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 Marseilles

System Name PWSID Source Population Violations
MARSEILLES IL0990500 Groundwater 5,061 13
FOUR STAR CAMPGROUND IL0990060 Groundwater 250 13
MARSEILLES SOUTH IL0990110 Groundwater 100 5
IL PRAIRIE ESTATE SBDV WATER ASSOCIATION IL0995300 Groundwater 78 4

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