Water Quality in the Central Arizona Basins, Arizona, 1995–98

By Gail E. Cordy, D.J. Gellenbeck, Joseph B. Gebler, David W. Anning, Alissa L. Coes, R.J. Edmonds, Julie A. H. Rees, and H.W. Sanger

U.S. GEOLOGICAL SURVEY CIRCULAR 1213

The full report is available in pdf.  Links to the pdf.

A contribution of the National Water-Quality Assessment (NAWQA) Program

• NATIONAL WATER-QUALITY ASSESSMENT PROGRAM
• SUMMARY OF MAJOR FINDINGS
  • Stream and river highlights
  • Ground-water highlights
• INTRODUCTION TO THE CENTRAL ARIZONA BASINS
• MAJOR FINDINGS
  • Natural stream water quality
  • Effects of human activities on stream water quality
  • NATIONAL PERSPECTIVE—In the CAZB Study Unit, insecticide concentrations in agricultural/urban streams are among the highest in the Nation
  • Natural ground-water quality
  • Effects of human activities on ground-water quality
  • NATIONAL PERSPECTIVE—Proposed drinking-water standards for arsenic, radon, and uranium have major implications for ground-water supplies
  • NATIONAL PERSPECTIVE—Nitrate concentrations in ground water in the West Salt River Valley are among the highest in the Nation
  • NATIONAL PERSPECTIVE—Trichloromethane was the most commonly detected VOC in the Nation and in the CAZB Study Unit
• STUDY UNIT DESIGN
• APPENDIX—WATER-QUALITY DATA FROM THE CENTRAL ARIZONA BASINS IN A NATIONAL CONTEXT
• References
• A Coordinated Effort
• Glossary