Public Utilities

The City of Joliet’s Department of Public Utilities is the largest utility in the State of Illinois based upon population served that provides all four key water and wastewater services:

• Drinking water pumping and treatment
• Drinking water distribution
• Wastewater collection
• Wastewater treatment

With a staff of approximately 80 people, the department manages and maintains three wastewater treatment plants, 50 sanitary sewer lift stations, three storm water pumping stations, 598 miles of sanitary sewer, 11 water treatment plants, 26 wells, 10 water storage tanks and over 670 miles of water mains. The department provides water and sewer services to the approximately 150,000 residents of the City of Joliet as well as businesses, industry, and satellite communities.

Vision: To be recognized by our customers, employees, elected officials, regulatory agencies and the utilities’ industry as a leader in providing innovative, efficient, and sustainable water and wastewater services.

Mission: To provide the highest quality water and wastewater services in order to support the public health, safety and economic interests of the community.

• Operate and maintain water system including:
  • 670 miles of water main
  • 11 water treatment plants
  • 10 water reservoirs
  • 26 active wells
  • 7 water pumping stations
  • 8,551 fire hydrants
  • 8,580 water main valves
  • Over 43,540 service valves
• Operate and maintain wastewater system including:
  • 598 miles sanitary pipe
  • 556 miles storm sewer
  • 50 pumping stations
  • 13,678 sanitary manholes
  • 38,654 storm water structures
  • 3 wastewater treatment plants
• Emergency response & repair of water and sewer infrastructure.
• Development & implementation of water and sewer capital improvement projects
• Planning & review of water and sewer rates
• Implementation of the Alternative Water Source Program