Water Quality: Delavan, IL

2 water systems • 1,958 people served

Some Concerns
15
Total Violations
1
Health-Based Violations
2
Water Systems
1,958
Population Served

Water Quality Summary

Delavan is served by 2 public water systems with a combined service population of 1,958 people, and has 15 EPA Safe Drinking Water Act violations on record. Critically, 1 of those are health-based violation, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Delavan's violation count is 48% 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 Delavan

System Name PWSID Source Population Violations
DELAVAN IL1790150 Groundwater 1,743 9
VENADO LAKES-ARGYLL WATER ASSOCIATION IL1795050 Groundwater 215 6

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