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💧 TapWaterData

NAPERVILLE

Serving 1 city in IL

Warning
4 above health guidelines
155K
People Served
1
City
1
Water Sources
0
MCL Violations

Official NAPERVILLE Resources

NAPERVILLE Service Area

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Service Area

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

NAPERVILLE Water Quality Grade

D
Poor

Multiple water quality concerns identified.

Quality Score60/100
4
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 NAPERVILLE Water Safe to Drink?

NAPERVILLE has reported 4 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 155,156 people across 1 city 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.

NAPERVILLE Service Area

NAPERVILLE Contact & Information

Emergency Line

630) 420-6060

24/7 After-Hours

Mailing Address

3712 PLAINFIELD NAPERVILLE ROAD Naperville, IL 60564

Water Sources & Treatment

Water Sources

Surface water purchased

Treatment Methods

Not specified

Disinfectant Used

chlorine

NAPERVILLE 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 NAPERVILLE

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

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