Petaluma River at Twin Bridges
California — Water Level & Flood Stage
Located in Sonoma County, California on the Petaluma River. Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: PTKC1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
40 ft
Moderate Flood
38 ft
Minor Flood
36 ft
Action Stage
34 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
7-Day Water Level Chart
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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.
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 — even when your screen is off.
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