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Clean Water for Our Community

Clean Water for Our Community

Naperville's Water Utility consists of more than 1,250 miles of main, serving over 43,000 customers in Naperville and Warrenville (wastewater only). Its territory area of over 75 square miles serves a population of more than 162,000.

Water you docking about?

Water you docking about?

While most cities only take dirty water from homes and then pump clean water back, Naperville adds a step: cleaning. This extra function, done at Springbrook Reclamation Plant, makes Naperville unique. In fact, we are the third largest city in Illinois to execute this process, pumping six to seven billion gallons of water through Springbrook's facility each year.

Water and Wastewater Utility

Comment on Springbrook Water Reclamation Center IEPA Permit

As part of the National Pollutant Discharge Elimination System (NPDES), the Illinois Environmental Protection Agency (IEPA) has issued a draft five-year permit for the Naperville Water Utility’s Springbrook Water Reclamation Center. This permit outlines the standards, limits and conditions the utility must meet to discharge wastewater effluent from the treatment plant into the Lower DuPage River. A public comment period on the permit is taking place from October 21 to November 21, 2016. To view the draft permit, which includes how to submit comments, visit

Known as a leader and innovator in asset renewal, sanitary sewer rehabilitation and maintenance activities, Naperville's Water and Wastewater Utility is one of the state’s largest combined utility systems, operating both water distribution and sanitary district with wastewater treatment.

Did you know?

In 2015, the average daily demand for water in Naperville was

14.1 million

Department of Public Utilities-Water