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 www.epa.illinois.gov/public-notices/npdes-notices/index.
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.
In 2015, the average daily demand for water in Naperville was gallons.