Breadcrumb-  Science Centers 

## Science Programs and Partnerships

### Supplying necessary scientific information to local, state, and federal agencies, and non-governmental organizations

More information on partnerships

## Aquatic Ecology

### Gaining better understanding of the effects that human activity, hydrologic extremes, and climate change have on aquatic ecosystems

Read about the research

## Groundwater

### Using science to assess and quantify the availability and quality of California's groundwater resources

Explore the Science

## Water Quality

### Providing foundational data and scientific analysis to address water quality issues facing California

View groundwater quality data

## Surface Water

### Understanding the science about California surface-water use for irrigation, public consumption, and ecosystems

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## California Flood Science

### Helping emergency managers and others protect life and property from floods and other water-related hazards

Explore the science

## California Drought

### Monitoring the effects of drought in California through data collection and research

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# California Water Science Center

The U.S. Geological Survey, California Water Science Center provides reliable, impartial, foundational data and scientific analysis to address water issues facing California today. We conduct hydrologic monitoring and investigative studies in partnership with tribal, federal, state, and local agencies to assist them in managing California's water resources.

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### Large Storms & Floods in California History

Storms unleash torrential rain and intense winds, posing significant challenges to infrastructure and triggering widespread flooding. Since it became a state in 1850, California has experienced numerous large storms and floods.

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### Join the USGS Team

Explore careers at the USGS, experience a day in the life of employees, navigate USAJobs, and see frequent questions on Federal hiring.

Learn more

### California Water & Drought Data

Basic hydrologic data collection, processing, analysis, dissemination, and archiving are major parts of the California Water Science Center program.

                        - California Water Dashboard
                        - California Runoff
                        - USGS WaterWatch
                        - California Water-Quality Trends
                        - Drought & Wildfire
                        - Post-Fire Debris-Flow Hazards

Get CA Water Data

## News

USGS Scientists to Present at 58th Biennial American Fisheries Society (AFS) Cal-Neva Meeting

March 25, 2024

####   USGS Scientists to Present at 58th Biennial American Fisheries Society (AFS) Cal-Neva Meeting

USGS provides easy access to Colorado River science with new online portal

February 26, 2024

####   USGS provides easy access to Colorado River science with new online portal

Physics to Fish

February 9, 2024

####   Physics to Fish

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## Publications

April 2, 2024

####                 Comparing modern identification methods for wild bees: Metabarcoding and image-based morphological taxonomic assignment              

Water Resources Mission Area, Ecosystems Mission Area, California Water Science Center, Fort Collins Science Center, Central Midwest Water Science Center, New Jersey Water Science Center, Oregon Water Science Center, Upper Midwest Water Science Center

April 1, 2024

####                 Assessing spatial variability of nutrients, phytoplankton, and related water-quality constituents in the California Sacramento–San Joaquin Delta at the landscape scale—2018 high resolution mapping surveys              

Water Resources Mission Area, California Water Science Center

March 29, 2024

####                 Evaluation of the characteristics, discharge, and water quality of selected springs at Fort Irwin National Training Center, San Bernardino County, California              

Water Resources Mission Area, California Water Science Center, Geology, Geophysics, and Geochemistry Science Center, Pacific Coastal and Marine Science Center

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## Science

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February 27, 2024

####                 Bay-Delta Catchability Study              

California Water Science Center

link

February 27, 2024

####   Bay-Delta Catchability Study

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link

February 27, 2024

####                 Santa Ana River Native Fish Study              

California Water Science Center

link

February 27, 2024

####   Santa Ana River Native Fish Study

Learn More

link

January 10, 2024

####                 Culturally Prescribed Fire              

California Water Science Center

link

January 10, 2024

####   Culturally Prescribed Fire

Learn More

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