Wastewater Division
The City of Wentzville’s Wastewater Division is comprised of the sanitary sewer collections system, Water Reclamation Center, and the Industrial Pretreatment and Fats, Oils, and Grease (FOG) programs. These City owned and operated infrastructures and programs help protect our water quality and safe guard public health.
If you have a sewer odor or sewer backup concern, please call (636) 327-5101 Monday-Friday between 7 a.m. and 3:30 p.m. After normal business hours, please call (314) 789-3625.