The Naperville Water Department, under the City Public Utilities, provides water for about 142,179 residents living in the Naperville area. Established in 1831, The City of Chicago utilizes Lake Michigan as its source water via two water treatment plants. The Jardine Water Purification Plant serves the northern areas of the City and suburbs, while the South Water Purification Plant serves the southern areas of the City and suburbs.
Naperville City Drinking Water Quality
Consumer Confidence Water Quality Reports
Under the authority of the Safe Drinking Water Act, the EPA requires Naperville Water to assess local water quality each year and distribute a Consumer Confidence Water Quality Report.
The information in this report includes the source of your water, whether your water meets EPA standards, detailed tables of detected contaminants, detailed descriptions of those contaminants, possible reasons why they're present, and potential health effects (if any).
Read the Consumer Confidence Report for Naperville City main water system here:
Contact Naperville Water Customer Service
Have a Question, Issue or Comment?
Main Customer Service
630-420-6137 (Mon–Fri, 8:00 AM–5:00 PM)
Emergency (24 hours - broken water main or pipeline, etc.)
Pay Your Naperville Water Department Bill
Already have an account?
If you already have an account, you just need to login to the Naperville Water Department site. Naperville Water Department accepts credit cards, debit, and direct deposit. Click here to login.
Want to create a new account?
You can create a new account on the Naperville Water Department website. Once you create the account, you can setup payment with credit, debit, or direct deposit. Click here to create an account.
Want to pay without an account?
You can make a one-time payment without creating an account. You will need to have your credit or debit card in order to make the one time payment. Click here to make a one time payment.
How to Start Naperville City Water Service
Starting Your Service
When you move to a new home in Naperville City, you'll most likely already have running water, but you'll still need to set up water service with the Naperville Water Department. Luckily, Naperville City has made it pretty simple with the following online form. Starting service generally takes just two business days.
Stopping Your Service
When you move out of a home in Naperville City, you'll need to stop your water service with the Naperville Water Department, so you don't keep getting billed. Simply fill out the following online form. Stopping service normally takes just two business days.