MyCleanWater

Naperville, Illinois Water Quality Report

Water quality data for 1 water system serving 156,406 people.

100
Excellent
out of 100

Water Source

1
Water System
156K
People Served
Surface water
Water Source

Detected Contaminants

No contaminant data available for this location.

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Compliance & Violations

Resolved Violations (5)

27

Apr 1, 2023 — Jun 30, 2023

moderate

27

Apr 1, 2023 — Jun 30, 2023

moderate

27

Apr 1, 2023 — Jun 30, 2023

moderate

27

Apr 1, 2023 — Jun 30, 2023

moderate

03

Jun 30, 1977 — Jun 29, 1981

moderate

Frequently Asked Questions

Is Naperville tap water safe to drink?

Naperville's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.

What contaminants are in Naperville tap water?

0 contaminants have been detected in Naperville's water supply across 1 water system. See the full contaminant table above for details.

How can I improve my water quality in Naperville?

Install a water filter rated for the specific contaminants found in Naperville's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.