California Water Science Center

California Water Data

This page is a portal to all kinds of information on the current and past state of water resources, both in California and around the country. Get real-time information on California water resources via a searchable web map interface.


Real Time Stream Flow Conditions

Current California Streamflow Conditions

Real-time streamflow data from automated equipment, representing the most current hydrologic conditions.



Current Hydrologic Water Quality Conditions

Water Quality

Data from automated field equipment representing the most current hydrologic water quality conditions.



Real Time Water Data

USGS Data Mapper

Shows real time current California conditions including surface-water, groundwater, spring sites, atmospheric sites and more.




National Water Data

National Water Data Mapper

National Water Watch

Water Resources of the United States

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URL: http://ca.water.usgs.gov/data/index.html
Page Contact Information: gs-w-cawsc_www@usgs.gov
Page Last Modified: Tuesday, 02-Aug-2016 19:06:03 EDT