USGS Water Data for the Nation
Also known as NWIS · USGS National Water Information System
Central data management of the USGS for water data that provides 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. Includes data on water use and quality, groundwater, and surface water.
Getting access
Open access Open
- How to apply
- Not yet verified — we don’t publish a route we haven’t checked.
Summarised from a registry — the exact application route is not yet verified.
About this database
| Website | https://waterdata.usgs.gov |
|---|---|
| Subjects | Natural Sciences · Geosciences (including Geography) · Atmospheric Science and Oceanography · Geography · Water Research |
| Last updated | 2026-09-13 |