DATA CENTER

• Real-time data ()
  • Streamflow ()
  • Ground water ()
  • Water quality ()
  • Precipitation ()

• Historical data
  • Streamflow ()
  • Ground water ()
  • Water quality ()

• WaterWatch
  • Current Streamflow Conditions ()
  • Floods/High flows ()
  • DroughtWatch ()
  • Ground water ()

• Data Reports
  • Annual Data Reports
  • Lower Colorado River Monthly Data Reports

USGS IN YOUR STATE

USGS Water Science Centers are located in each state.

Ground-Water Information and Data

The U.S. Geological Survey collects ground-water level data at about 20,000 wells nationwide, more than 45 here in Arizona. The USGS provides long-term, accurate, and unbiased information that meets the needs of many diverse users. The USGS collects ground-water data needed by Federal, State, and local agencies for planning and operating water-resources projects and regulatory programs.

The links below allow you to find information and data about Arizona's ground-water resources.