Public Drinking Water Branch
Census of Missouri Public Water Systems
The annual census of Missouri Public Water Systems provides detailed information regarding the volume, source water type, population and other characteristics of water systems. In addition, test results for selected chemicals are included along with the types of treatments used by Missouri water systems.
2007 Census of Missouri Public Water Systems
Community Water System Inventory
Non Community Water System Inventory
Community and Non Community Water Treatment
Surface Water Source
Chemical Analysis of Community Water Systems
For more information on violations by individual water systems as well as statewide data for the calendar year, read the department's Annual Compliance Report of Missouri Public Drinking Water Systems.