Vandalia, Illinois - Water And Sewer Departments

Water Department



Water Treatment Plant
Vandalia Illinois Water Treatment Plant

201 East Jackson
Vandalia, Illinois 62471
Phone - (618)-283-0111


In 1898, the City of Vandalia, Illinois first began water treatment services for the residents of Vandalia. In the one hundred years since its inception, the city of Vandalia Water Treatment Plant has provided safe and reliable water service.

The plant has the capability of producing 2 million gallons of portable water on a daily basis. With storage capacity of 2.5 million gallons.

The city's primary source of water is the Kaskaskia River with Vandalia Lake serving as a back-up water source.

Sewer Department



Sewage Treatment Plant
Vandalia Illinois Sewage Treatment Plant

1804 N Kennedy
Vandalia, Illinois 62471
Phone - (618)-283-3148


Built in 1987, the Vandalia Wastewater Treatment works consist of a sanitary sewer system and a treatment plant that supplies flow equalization, secondary, biological, advanced secondary, disinfecting and sludge handling facilities. This state of the art facility provides treatment process to handle over 1.5 million gallons of waste water per day.

This plant has the capability of handling not only normal wastewater generated by the municipality but is able to manage the treatment of specialized wastewater.

The Vandalia Wastewater Treatment Plant is inspected on an annual basis for proper processing and disposal of wastewater and always exceeds the minimum standards as set forth by the Illinois Environmental Protection Agency.