Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

USGS Surface-Water Data for the Nation - National Water Information System (NWIS)

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2020-11-17T00:00:00Z
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American Samoa and the Commonwealth of the Northern Mariana Islands.

Find Related Datasets

Click any tag below to search for similar datasets

Alabama Alaska American Samoa Arizona Arkansas California Colorado Commonwealth of the Northern Mariana Islands Connecticut Delaware District of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana NWIS National Water Information System Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas USGS:586f3f13-0b31-4ed7-b9bd-786385f813c8 United Staes Utah Vermont Virgin Islands Virginia Washington West Virginia Wisconsin Wyoming active water monitoring locations administrative and political boundaries agriculture and farming annual water statistics atmospheric and climate biology and ecology business and economic cadastral cultural, society, and demographic current water condition current water conditions daily water data daily water statistics elevation and derived products field measurements field samples gaging stations geological and geophysical historical water observations human health and diease hydrologic unit hydrology imagery and base maps inland waters lakes locations and geodetic networks monthly water statistics oceans and estuaries peak-flow data real-time water data streamflow streams surface water data tutorial utilities and communication water information water level water levels water statistics water table water temperature

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov