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Water-quality data for the Nation

Homepage for USGS water quality information. The NWISWeb discrete sample database is a compilation of over 3.5 million historical water quality analyses in the USGS district databases. Also includes access to real-time data and a tutorial.

by Water Resources Discipline (Sponsor)
Related topics:
Hydrographic datasets, Hydrology, Real-time monitoring and reporting, Water chemistry, Water quality, Water resources, Water sampling
States or counties
United States
Alternative formats of this information:
Compatible standard Format
CCM of Project Open Data JSON
ISO 19115 XML

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