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-  California Water Science Center 
-  Science 

# Floods

## Dams, reservoirs, and high-water events

### Photo of high water on Alameda Creek at Alameda Diversion Dam, near Sunol, California.

See current USGS flood information

## Monitoring rivers and streams during high-water events

###  The Consumes River, near Sacramento, experienced record streamflow over the 2022 New Year's holiday weekend as an atmospheric river moved through northern California. 

See gage data on the USGS Water Dashboard

## Roads closed due to flooding

### A flooded road in San Diego is a common scene throughout Southern California during El Niño-related storms.

Search our multimedia gallery for more flood-related images

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To help emergency managers and others protect life and property due to floods and other water-related hazards, the USGS delivers a continuous source of streamflow information in near real-time at over 7,500 streamgages nationwide. In California, the USGS maintains a network of nearly 500 streamgages providing timely data in near real-time.

Hydrologic extremes in California

### Floods in California

To help emergency managers and others protect life and property due to floods and other water-related hazards, the USGS delivers a continuous source of streamflow information.

Learn more

### Flood Information Resources

                        - USGS National Water Dashboard
                        - National Water Information System (NWIS)
                        - California's Monthly Water Runoff
                        - California Streamgage Information
                        - Current California Streamflow Conditions

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October 25, 2023

####                 Floods in California              

California Water Science Center

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October 25, 2023

####   Floods in California

Learn More

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June 12, 2019

####                 Basin Characterization Model - Simulating Effects of Iowa Soil Management on Water Availability              

California Water Science Center

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June 12, 2019

####   Basin Characterization Model - Simulating Effects of Iowa Soil Management on Water Availability

Learn More

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March 8, 2019

####                 Soil Stratigraphy and Erosion Potential on the American and Sacramento Rivers              

California Water Science Center

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March 8, 2019

####   Soil Stratigraphy and Erosion Potential on the American and Sacramento Rivers

Learn More

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January 30, 2019

####                 Climate Ready Vulnerability Assessment              

California Water Science Center

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January 30, 2019

####   Climate Ready Vulnerability Assessment

Learn More

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December 21, 2018

####                 California Streamgage Information              

California Water Science Center

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December 21, 2018

####   California Streamgage Information

Learn More

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December 7, 2018

####                 Sedimentation in the Lower Laguna-Mark West Drainage              

California Water Science Center

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December 7, 2018

####   Sedimentation in the Lower Laguna-Mark West Drainage

Learn More

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June 5, 2018

####                 Post-Fire Flooding and Debris Flow              

California Water Science Center, Wildland Fire Science

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June 5, 2018

####   Post-Fire Flooding and Debris Flow

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March 27, 2018

####                 Assessing Deposit Build-up in Corte Madera Flood Control Channel              

California Water Science Center

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March 27, 2018

####   Assessing Deposit Build-up in Corte Madera Flood Control Channel

Learn More