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California Water Science Center

Photo of Owen measuring streamflow.

Science Highlights

American Wetlands Month

04 May 2017

May marks the annual observance of American Wetlands Month, a month dedicated to celebrating one of nature’s most productive ecosystems. Here in California, the U.S. Geological Survey – in cooperation with many other local, state, and federal agencies – studies wetlands, looking to better understand how wetlands work, and the importance of wetlands to both humans, and the plants and animals that rely on healthy wetlands to survive.


Extensometer Hunters: Searching for Long-Lost Technologies in San Joaquin Valley

16 March 2017

San Joaquin Valley: the final frontier. These are the voyages of the U.S. Geological Survey. Its weeklong mission: to explore strange new locations, to seek out abandoned scientific technologies, to boldly go where no scientist has gone before (at least in a few decades).


National Groundwater Awareness Week: Sustainable Groundwater Management in California

06 March 2017

The National Groundwater Association has declared this week, March 5-11, as National Groundwater Awareness Week.


Winter Weather in California Keeps CAWSC Field Crews Busy

27 January 2017

It’s been a wet and snowy winter so far throughout much of California. For many Californians, that means keeping dry inside, avoiding dangerous roads, and listening closely for the rare clap of thunder. For field crews at the U.S. Geological Survey California Water Science Center (CAWSC), however, wet weather means piling on safety gear and chasing storms to make real-time high-flow and flood measurements at swollen rivers, creeks, and waterways throughout the state.


California Flood Preparedness Week

27 October 2016

This week is California Flood Preparedness week, and local, state, and federal agencies are reminding Californians to be aware and be prepared for potential potential flooding hazards as we enter the rainy season.



Contact Information

Laurel Rogers
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(619) 225-6104
cell: (619) 980-6527

Gabriel Lopez
Requests for USGS data and reports
(916) 278-3026

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* DOI and USGS link and privacy policies apply.