The Water Pollution Control Department is responsible for the Wastewater Treatment Plants and the Sanitary Sewer Collection System. The City of Centerville has two treatment plants, the East Plant and the West Plant. Together they process an average daily flow of 750,000 gallons. The Water Pollution Control Department staff also maintains approximately 40 miles of sanitary sewer main, 730 manholes, and 7 lift stations.
The Iowa Department of Natural Resources issued updated Wastewater permits in 2019. To help assess the needed improvements required by IDNR, the City of Centerville hired Fox Engineering to complete a Nutrient Reduction Study. The Nutrient Reduction Study will be completed in December in 2019 with recommendations for capital improvements to be completed by December of 2021 to meet IDNR permitting requirements.