California Water Science Center

California Water Conditions

Real-Time Data
• Real Time Streamflow Conditions
• WaterWatch
• USGS Data Mapper

Groundwater
• Groundwater Data
• Groundwater Watch
• Regional Groundwater
• Current Groundwater Conditions Mapper

Surface Water
• Surface-Water Data
• Surface-Water Watch

Water-Quality
• Water-Quality Data
• Water-Quality Watch
• Current Water Quality Conditions Mapper

Water Info via Email/Text
• (WaterNow)

National Water Information System (NWIS)

NWISWeb provides access to water-resources data collected at approximately 1.5 million sites throughout the Nation. Click on the links below for each topic to go to the NWISWeb page, or you can go to the main California NWIS Web page, or the National NWIS Web page.

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
URL: http://ca.water.usgs.gov/data/nwis/index.html
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Page Last Modified: Thursday, 29-Dec-2016 22:58:19 EST