2010 Status of Water Quality Arizona’s Integrated 305(b) Assessment and 303(d) Listing Report
Every two years, the Arizona Department of Environmental Quality (ADEQ) is required by the federal Clean Water Act to conduct a comprehensive analysis of water quality data associated with Arizona’s surface waters to determine whether state water quality standards are being met and designated uses are being supported. This integrated surface water assessment and impaired waters listing report (2010 Assessment Report) serves three functions.
Arizona Department of Environmental Quality. 2012. 2010 Status of Water Quality. Arizona’s Integrated 305(b) Assessment and 303(d) Listing Report. June 2012. Available at: 2010 Water Quality Report. Accessed July 30, 2012.