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Water Resources Data
This portal provides access to a large selection of real-time and archived data on stream flow and water quality for surface and groundwater. Links are provided to the National Water Information System Web Interface (NWISWeb), which accesses data collected at approximately 1.5 million sites in all 50 states, the District of Columbia, and Puerto Rico. Data categories include current conditions information transmitted from selected surface and groundwater sites; descriptive site information; water flow and levels in streams, lakes, and springs; groundwater levels in wells; and chemical and physical data for all water sources. There is also a link to the 'Waterwatch' site, an interactive map that displays real-time stream-flow compared to historical conditions for the day of the year, as well as a link to the National Water Quality Assessment (NAWQA) data warehouse. Other links access materials on water use, acid rain, suspended sediment, and the Hydro-Climatic Data Network (HCDN).
Intended for grade levels:
  • High (9-12)
  • College (13-14)
  • College (15-16)
  • Graduate / Professional
Type of resource:
  • Portal:
    • Government
  • Environmental science
  • Hydrology
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Information presented on this website is considered public information (unless otherwise noted) and may be distributed or copied. Use of appropriate byline/photo/image credit is requested. We strongly recommend that USGS data be acquired directly from a USGS server and not through other sources that may change the data in some way. While USGS makes every effort to provide accurate and complete information, various data such as names, telephone numbers, etc. may change prior to updating. USGS welcomes suggestions on how to improve our home page and correct errors. USGS provides no warranty, expressed or implied, as to the accuracy, reliability or completeness of furnished data.
DLESE Catalog ID: USGS-ED-000-000-000-069
Resource contact / Creator / Publisher:
Publisher: United States Geological Survey (USGS)
Water Resources of the United States

Contact: Joseph J. Kerski
Educational Resources
United States Geological Survey (USGS)

Contact: Phil Stoffer
Educational Resources
United States Geological Survey (USGS)