Surface Water Reports

Following are links to download ADEQ surface water reports: 

Clean Water Act Assessments

  • 2016 Status of  Water Quality in Arizona 305(b) Assessment Report | View/Download >
  • 2012/2014 Water Quality in Arizona 305(b) Assessment Report | View/Download >

Implementation Procedures

  • Implementation Procedures for the Narrative Bottom Deposits Standard, Final (April 2015) View/Download >
  • Implementation Procedures for the Narrative Biocriteria Standard, Final (April 2015) View/Download >

Water Quality Studies

  • The Water Quality of the Lower San Pedro River (FY 2012 – 2016) | View/Download >
  • A Statewide Assessment of Arizona’s Streams (July 2007 – June 2010) | View/Download >
  • Regional Ecological Monitoring and Assessment Program: Ecological Assessment of Streams in the Little Colorado River Watershed, Arizona (2007) | View/Download >
  • Regional Ecological Monitoring and Assessment Program: A Comparison of Macroinvertebrate and Habitat Methods of Data Collection in the Little Colorado River Watershed, Arizona (2007) View/Download >
  • A Water Quality Investigation of 17 Grand Canyon Tributaries (July 2004 – May 2005) | View/Download >
  • Ambient Surface Water Quality of Rivers and Streams in the Upper Gila Basin Water Year 2000 | View/Download >

Water Quality Reports

  • The Arizona Water Quality Index: A Communication Tool for Water Quality Summaries (2018) | View/Download >
  • An Exploration of Nutrient and Community Variables in Effluent Dependent Streams in Arizona (2009) | View/Download >
  • Comparative Sediment Rating Curves for Two Gage Stations In the Upper Salt River Basin of Arizona (2005) | View/Download >
  • Stream Channel Morphology and Benthic Macroinvertebrate Community Associations in the San Pedro River and Verde River Basins of Arizona and Appendices (1999 – 2002) View/Download >