Water Resources of the United States


National Water Information System

View current and historical streamflow, ground-water level, and water-quality data

Today's Water Conditions

View comparisons of current and historical conditions using maps
Click map to go to current water resources conditions in the U.S.



USGS Water Science Centers are located in each state

About Water Resources

Water is one of six science mission areas of the U.S. Geological Survey (USGS). Water's mission is to collect and disseminate reliable, impartial, and timely information that is needed to understand the Nation's water resources.

The USGS Water Mission Area actively promotes the use of this information by decision makers to --

  • Minimize loss of life and property as a result of water-related natural hazards, such as floods, droughts, and land movement.
  • Effectively manage groundwater and surface-water resources for domestic, agricultural, commercial, industrial, recreational, and ecological uses.
  • Protect and enhance water resources for human health, aquatic health, and environmental quality.
  • Contribute to the wise physical and economic development of our Nation's resources for the benefit of present and future generations.

 Who We Are

We are a workforce of 3,400 people located in all States and Territories at 181 offices, working with about 1,500 State and local agency cooperators.

 How We Are Organized

 What We Do

Provide water information that benefits the Nation's citizen

Perform water resources research

Publish information

Further understanding of water and water science

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Page Last Modified: Tuesday, 29-Jan-2019 10:45:25 EST