Water and Sewer
The City of O'Fallon Water and Sewer Department provides water and sewer service to parts of O'Fallon City limits. Use our Address Look-Up to determine services for a selected address.
Water and Sewer emergency, main break or sewer backup?
Please call 636-379-5488.
NOTICE OF PUBLIC HEARING
Notice is hereby given that the City of O’Fallon will conduct a Public Hearing on Wednesday, October 4th, 2023, from 3:30 p.m. to 5:30 p.m. in the Multi-Purpose Room of the O’Fallon Municipal Centre located at 100 North Main Street, O’Fallon, Missouri, concerning proposed changes to sewer rates and fees.
For more information on the Public Hearing, please contact Steve Bender, Director of Public Works for the City of O’Fallon.