Major Flood
17.7 ft
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: PYSC1). 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.
Moderate Flood
15 ft
Minor Flood
13.7 ft
Action Stage
10.7 ft
What Floods at Each Level
20.7 ft
Water reaches top of sheet pile wall.
17.7 ft
Major Flood Stage. Top of constriction weir. Equivalent to 1% chance exceedance flood (100-year flood).
15 ft
Moderate Flood Stage. NWS will issue a Flash Flood Warning if not already issued.
13.7 ft
Minor Flood Stage. City of Petaluma Fire Chief, Watch Commander, and Water Resources and Conservation District Director notified.
10.7 ft
Action Stage. NWS and City of Petaluma begin to monitor the situation closely.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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About This Gauge
NWS LID
PYSC1
River
Petaluma River
County
Sonoma, CA
Coordinates
38.2456°N, 122.6383°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 Payran Street Bridge?
The Petaluma River at Payran Street Bridge 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 Payran Street Bridge?
The NWS-defined flood stage for Petaluma River at Payran Street Bridge is 13.7 feet. Action stage begins at 10.7 feet. Moderate flooding starts at 15 feet, and major flooding at 17.7 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 Payran Street Bridge 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 Payran Street Bridge gauge located?
The gauge is located in Sonoma County, California at coordinates 38.2456°N, 122.6383°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