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WILLIAMSVILLE

Serving 2 cities in IL

Monitor
3 above health guidelines
6K
People Served
2
Cities
1
Water Sources
0
MCL Violations

Official WILLIAMSVILLE Resources

WILLIAMSVILLE Service Area

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Service Area

This map shows the approximate service area for WILLIAMSVILLE. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

WILLIAMSVILLE Water Quality Grade

C
Fair

Some contaminants exceed health guidelines.

Quality Score70/100
3
Above Health Guidelines
0
EPA Violations

Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).

Is WILLIAMSVILLE Water Safe to Drink?

WILLIAMSVILLE has reported 3 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 6,091 people across 2 cities in IL. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

WILLIAMSVILLE Service Area

WILLIAMSVILLE Contact & Information

Emergency Line

618-599-6040

24/7 After-Hours

Mailing Address

VILLAGE HALL 141 W MAIN Williamsville, IL 62693

Water Sources & Treatment

Water Sources

Surface water purchased

Treatment Methods

Not specified

WILLIAMSVILLE Annual Water Quality Reports

2026 Water Quality Report
Latest Consumer Confidence Report (CCR)
View Report

Historical reports are being compiled. Check back soon for archived water quality data.

What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.

Recommended Water Filters for WILLIAMSVILLE

Based on water quality data from cities served by WILLIAMSVILLE, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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