Floods
Floods
Dams, reservoirs, and high-water events
Photo of high water on Alameda Creek at Alameda Diversion Dam, near Sunol, California.
Photo of high water on Alameda Creek at Alameda Diversion Dam, near Sunol, California.
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.
The Consumes River, near Sacramento, experienced record streamflow over the 2022 New Year's holiday weekend as an atmospheric river moved through northern California.
Roads closed due to flooding
A flooded road in San Diego is a common scene throughout Southern California during El Niño-related storms.
A flooded road in San Diego is a common scene throughout Southern California during El Niño-related storms.
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.
Floods 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.