Naperville receives its water supply from Lake Michigan through the DuPage Water Commission. This dataset shows the average daily amount of water purchased by the City of Naperville in millions of gallons by month.

Map displaying location information and current occupancy data of the identified Retail Centers in Naperville, IL.

Tracks the City's 8-Year General Fund reserve goal

Naperville Police Department beat polygons

This dataset quantifies watermain leaks discovered during surveys of the water system utilizing acoustical listening devices. From 2013-2017 a single City-wide survey was conducted per calendar year. Beginning in 2018 two City-wide surveys were completed.

Customer count by customer class

Map displaying the locations of Site Development permits issued by the City of Naperville, IL. Site Development Permits often entail infrastructure improvements that could include water, sanitary, and storm-water lines. Updated at the beginning of the month.

Electric utilities use the System Average Interruptible Duration Index (SAIDI) to measure the reliability of electric utility systems. The SAIDI represents the average number of minutes each customer can expect to be without power in a given year. This is a comparison of Naperville with Com Ed SAIDI data.

Rates for water, and wastewater service for the City of Naperville and surrounding communities. These rates are based off of 5,610 gallons of consumption.

System Average Interruption Duration Index (SAIDI) Outage in Minutes. SAIDI is the average outage duration for each customer served, and is calculated as the sum of all customer interruption durations divided by the total number of customers served . SAIDI is measured in minutes or hours over the course of a year, and according to IEEE Standard 1366-1998 the median value for North American utilities is approximately 1.50 hours.