Colgan Creek near Sebastopol
Sonoma County, California
The past week
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What floods at each level
- 79 ft
Major Flooding. Major floodplain inundation and water levels at approximately 1 foot above elevation of bridge deck on Llano Road.
- 76.5 ft
Moderate Flooding. Additional floodplain and roadway inundation on Llano Road. NWS will issue a Flash Flood Warning, if not yet already issued.
- 75 ft
Minor Flooding. Floodplain upstream of the Llano Road bridge on right bank (north) side begins to flood into adjacent farmland. NWS will issue an Urban/Small Stream Advisory, if not yet already issued.
- 73.5 ft
Action Stage. Roadside ditch upstream of Llano Road bridge on the left bank (south) side begins to flood. NWS may issue a Flash Flood Watch, if not yet already issued.
More on Colgan Creek
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