Wastewater Division
The City of Wentzville’s Wastewater Division includes the sanitary sewer collection system, the Water Reclamation Center, Industrial Pretreatment program, and Fats, Oils, and Grease programs. These City-owned and operated infrastructures and
programs help protect our water quality and safeguard 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.
