Census of Missouri Public Water Systems

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.

• 2021 Census of Missouri Public Water Systems
• 2020 Census of Missouri Public Water Systems
• 2019 Census of Missouri Public Water Systems
• 2018 Census of Missouri Public Water Systems
• 2017 Census of Missouri Public Water Systems
• 2016 Census of Missouri Public Water Systems
• 2015 Census of Missouri Public Water Systems
• 2014 Census of Missouri Public Water Systems
• 2013 Census of Missouri Public Water Systems
• 2012 Census of Missouri Public Water Systems
• 2011 Census of Missouri Public Water Systems
• 2009 Census of Missouri Public Water Systems
• 2008 Census of Missouri Public Water Systems
• 2007 Census of Missouri Public Water Systems
  • Introduction
  • General Information
  • Statistical Inventory
  • Community Water System Inventory
  • Non Community Water System Inventory
  • Community and Non Community Water Treatment
  • Surface Water Source
  • Chemical Analysis of Community Water Systems
• 2006 Census of Missouri Public 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.