Water & Wastewater Department

Residents may call the City of Crest Hill Water and Wastewater Department at 815-741-5104 for:
  • Billing Information
  • General Water Questions
  • New Customers
  • Sewer/Water Rates
  • Water Service

After Hours Calls


The phone number for after hours calls for Water and Wastewater Department is 815-741-5111.

Wastewater Treatment General Information


The collection and processing of wastewater and storm water in a quick and efficient manner is vital to the health and safety of the residents of the City of Crest Hill. This is why the City of Crest Hill has two Wastewater Treatment Plants. The Treatment facilities are managed to the specifications mandated by the Environmental Protection Agency (EPA) and has complied for over the last 20 years.

Clean Water Production


The Treatment plants are able to process all wastewater produced by the city's residents. The operators of these facilities provide the proper control of several complex biological as well as chemical processes that produce clean water. The clean water that is produced by the plants is released back into nature according to EPA guidelines.

Sewer Backups


If you have sewer backup in your house or business, please feel free to call at 815-741-5108 during the hours of 7 a.m. - 3:30 p.m. For after hour's assistance please call 815-741-5111.

Additional Information


For any questions please feel free to call 815-723-8671.