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.

Surface-Water Information and Data

The U.S. Geological Survey operates and maintains approximately 7,300 streamgages nationwide, over 217 here in Arizona, which provide long-term, accurate, and unbiased information that meets the needs of many diverse users. The USGS collects the streamflow 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 surface-water resources. The map to the left shows current streamflow conditions in Arizona; click the map to go to a full size version from USGS WaterWatch.

Real-Time Streamflow Data Portal (GoogleMaps)