StormCast — Weather & Emergency Alerts

San Anselmo Creek at Bridge Street
California — Water Level & Flood Stage

Located in Marin County, California on the San Anselmo Creek. Live water level data from USGS, updated every 15 minutes.

Current Water Level

Gage Height

Loading...

Streamflow

Loading...

Last Reading

Loading...

This is an NWS forecast point (LID: SBSC1). Live data may be limited. View on NWS AHPS →

Flood Stages

Major Flood

17.8 ft

Moderate Flood

16.3 ft

Minor Flood

13.3 ft

Action Stage

11.3 ft

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

What Floods at Each Level

17.8 ft

Major Flood

16.3 ft

Moderate Flood

13.3 ft

Minor Flood

11.3 ft

Monitor/Action Stage

Impact statements from the National Weather Service, describing what typically happens at each water level.

7-Day Water Level Chart

Loading chart data...

View Official NWS Hydrograph →

About This Gauge

NWS LID

SBSC1

River

San Anselmo Creek

County

Marin, CA

Coordinates

37.9769°N, 122.5636°W

Get Flood Alerts for San Anselmo Creek

StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.

Get it on Google Play

Frequently Asked Questions

What is the current water level of San Anselmo Creek at Bridge Street?

The San Anselmo Creek at Bridge Street gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.

What is flood stage for San Anselmo Creek at Bridge Street?

The NWS-defined flood stage for San Anselmo Creek at Bridge Street is 13.3 feet. Action stage begins at 11.3 feet. Moderate flooding starts at 16.3 feet, and major flooding at 17.8 feet.

How do I get alerts when San Anselmo Creek rises?

Download StormCast free on Google Play, go to River Gauges, and add San Anselmo Creek at Bridge Street to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.

Where is the San Anselmo Creek at Bridge Street gauge located?

The gauge is located in Marin County, California at coordinates 37.9769°N, 122.5636°W. Data is provided by the U.S. Geological Survey and the National Weather Service.

More Resources

Source & Notes

Data provided by: Ross Valley Fire Department