Dec 31, 2005
Widespread low-land flooding occurred across Sonoma County with mainstem river gages along the Russian River remaining above flood stage for several days. Devastating flooding occurred near the Russian River in Healdsburg as well as Guerneville. The Petaluma River overflowed its banks as well, as did the Sonoma Creek. Approximately 66 structures were tagged by county officials as significantly damaged in the wake of the flooding. An average of 4 to 6 inches of rain fell over a 24 hour period, 2
Source: NOAA National Weather Service Storm Events Database (event 5482516). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Sonoma County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.