Water Resources

ADWR is the steward of Arizona's water future and ensures long-term, reliable water supplies to support the continued economic prosperity of the State.

The city's water department, which,as a Public Water Utility serving residential, commercial and industrial customers both within and outside of the city's boundaries. Website provides news and resources about water in Southern Arizona.

Information about public water systems and their violations of EPA's drinking water regulations, as reported to EPA by the states. These regulations establish maximum contaminant levels, treatment techniques, and monitoring and reporting requirements to ensure that water systems provide safe water to their customers.

Information from the U.S. Environmental Protection Agency on water-related issues and laws & regulations.

Water is one of six science mission areas of the U.S. Geological Survey. This website collects and disseminates reliable, impartial, and timely information that is needed to understand the nation's water resources.

The U.S. Geological Survey's National Water-Use Information Program is responsible for compiling and disseminating the nation's water-use data. The USGS works in cooperation with local, state, and federal environmental agencies to collect water-use information. USGS compiles these data to produce water-use information aggregated at the county, state, and national levels.

Discover AQUASTAT collection of publications on water resources, water use and agricultural water management. Relevant FAO reports and papers from international journals presenting original analysis and reviews are made available here, as well as easy-to-read flyers and information notes summarizing the AQUASTAT main features. In this section you will also find e-learning courses on various aspects of water monitoring and statistics, providing tools, methods and processes to support countries in reporting on SDG Indicators 6.4.1 and 6.4.2 in particular.