Major Flood
176 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
174.5 ft
Minor Flood
173.3 ft
Action Stage
171 ft
What Floods at Each Level
176 ft
Major Flooding. Brookwood Avenue and adjacent residences and businesses under several feet of water.
174.5 ft
Moderate Flood Stage. Brookwood Avenue and adjacent businesses and residences under 1 foot of water or more. NWS will issue a Flash Flood Warning, if not yet already issued.
173.3 ft
Minor Flooding. Water levels have reached the left bank floodplain and Brookwood Avenue may begin to flood. NWS will issue an Urban/Small Stream Advisory, if not yet already issued.
171 ft
Monitor Stage. Water level is approximately 2.3 feet below flooding onto Brookwood Avenue and adjacent businesses and residences. NWS may issue a Flash Flood Watch, if not yet already issued.
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
USGS Site
NWS LID
MZSC1
River
Matanzas Creek
County
Sonoma, CA
Coordinates
38.4388°N, 122.7025°W
Get Flood Alerts for Matanzas 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.
Frequently Asked Questions
What is the current water level of Matanzas Creek at Santa Rosa?
The Matanzas Creek at Santa Rosa gauge is maintained by USGS (site 11466170) 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 Matanzas Creek at Santa Rosa?
The NWS-defined flood stage for Matanzas Creek at Santa Rosa is 173.3 feet. Action stage begins at 171 feet. Moderate flooding starts at 174.5 feet, and major flooding at 176 feet.
How do I get alerts when Matanzas Creek rises?
Download StormCast free on Google Play, go to River Gauges, and add Matanzas Creek at Santa Rosa 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 Matanzas Creek at Santa Rosa gauge located?
The gauge is located in Sonoma County, California at coordinates 38.4388°N, 122.7025°W. USGS site number: 11466170. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey