Consumer Confidence Report (CCR)
The United States Environmental Protection Agency (EPA) requires that all drinking water suppliers provide a water quality report to their customers on an annual basis. 

The following Drinking Water Quality Reports provide information on the City of Round Rock drinking water.

• 2011 Consumer Confidence Report
• 2010 Consumer Confidence Report
• 2009 Consumer Confidence Report 
• 2008 Consumer Confidence Report
• 2007 Consumer Confidence Report 
• 2006 Consumer Confidence Report
• 2005 Consumer Confidence Report 
• 2004 Consumer Confidence Report

Texas Commission on Environmental Quality
The Texas Commission on Environmental Quality (TCEQ) is the environmental agency for the state.