The Water Utility calculates the System Average Interruption Duration Index (SAIDI) to measure the reliability of the water system. This index is represented as the total number of minutes each customer can expect to be without service in a given year.
The average number of minutes that a typical customer can expect to be without service in a given year. These service outages are the result of reactive maintenance primarily due to water main breaks.
Budget FTE versus actual FTE headcount numbers by month from 2017 forward. Excludes temporary and seasonal workers. For these totals only, includes vacancies.
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.