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

Maps and GIS Data

Downloadable spatial data files for exploration and analysis.

Selected Water Spatial Data

Groundwater (well and aquifer information)

Surface Water (stream, lake, and reservoir conditions)

Water Quality (chemical, biological, and physical characteristics)

Watershed Theme Maps and Spatial Data

Mixed Theme Maps and Spatial Data (from the USGS and other sources)

  • USGS maps
    Printed maps, standards, names, symbols, descriptions, and additional explanatory information.
  • EarthExplorer
    Locate USGS imagery data by interactive map or place name. Query and order satellite images, aerial photographs, and cartographic products from the USGS.
  • Geospatial One Stop
    Maps, data, and services to find geospatial data and learn about geospatial projects.
  • Geospatial Platform
    Ready access to federally maintained geospatial data, services and applications.
  • GISDATA Map Studio
    View and download geospatial data specially prepared for seamless access and delivery.
  • National Atlas
    Geographic information, map layers, and map products from more than 20 Federal organizations in the form of electronic maps and services.
  • National Geologic Map Database
    Nearly 100,000 geoscience maps and reports by USGS, the State Geological Surveys, and >600 other publishers, dating back to the 1800's.
  • National Geospatial Program
    USGS coordination activities for geospatial production and services. Promotes consistent and accurate geographic data creation.
  • Open Geospatial Consortium
    A non-profit international organization that is leading the development of standards for geospatial and location-based services.
  • The National Map
    View and download nationally consistent datasets.
  • The National Map seamless data
    View and download geospatial data. Includes orthoimagery (aerial photographs), elevation, geographic names, hydrography, boundaries, transportation, structures, and land cover.

Water Themes from Other Agencies

  • Flood Maps
    Online access, ordering and pricing information for Federal Emergency Management Agency (FEMA) flood maps.
  • National Wetlands Inventory
    Map information and data for U.S. Fish and Wildlife Service wetland maps.
  • National Weather Service
    Access to National Weather Service River Forecast and Warning Services
  • National Hydrologic Warning Council
    A non-profit organization dedicated to assisting emergency and environmental management officials by providing expert advice on the use of real-time, high quality hydrologic information from automated remote data systems, with the goals of protecting lives, property, and the environment
  • Storm prediction center
    National Weather Service (NOAA)
  • MyEnvironment
    Links Federal, State and local partners' statistical data with environmental data (EPA).

USGS Home Water Climate Change Science Systems Ecosystems Energy, Minerals, & Env. Health Hazards USGS Intranet

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URL: https://water.usgs.gov/maps.html
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Page Last Modified: Wednesday, 06-Feb-2019 14:41:09 EST