CALIFORNIA RIVER GAUGE

Petaluma River at Twin Bridges
Water Level & Flood Stage.

Located in Sonoma County, California on the Petaluma River. Live water level data from USGS, updated every 15 minutes.

Download on Google Play See current level
● USGS LIVE DATA 15-MIN UPDATES FREE TO DOWNLOAD
StormCast — Weather & Emergency Alerts

Current Water Level

Gage Height

Loading...

Streamflow

Loading...

Last Reading

Loading...

This is an NWS forecast point (LID: PTKC1). Live data may be limited. View on NWS AHPS →

FLOOD STAGES

Know the flood categories.

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

Major Flood

40 ft

Moderate Flood

38 ft

Minor Flood

36 ft

Action Stage

34 ft

7-Day Water Level Chart

Loading chart data...

View Official NWS Hydrograph →

About This Gauge

NWS LID

PTKC1

River

Petaluma River

County

Sonoma, CA

Coordinates

38.2681°N, 122.6711°W

Get Flood Alerts for Petaluma River

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 Petaluma River at Twin Bridges?

The Petaluma River at Twin Bridges 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 Petaluma River at Twin Bridges?

The NWS-defined flood stage for Petaluma River at Twin Bridges is 36 feet. Action stage begins at 34 feet. Moderate flooding starts at 38 feet, and major flooding at 40 feet.

How do I get alerts when Petaluma River rises?

Download StormCast free on Google Play, go to River Gauges, and add Petaluma River at Twin Bridges to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.

Where is the Petaluma River at Twin Bridges gauge located?

The gauge is located in Sonoma County, California at coordinates 38.2681°N, 122.6711°W. Data is provided by the U.S. Geological Survey and the National Weather Service.

More Gauges on Petaluma River

More Resources

Source & Notes

Data provided by: City of Petaluma