Petaluma River at Corona Road

The past week

What floods at each level

• 32.2 ft

  1986 flood levels (high water marks) reached.

• 31.7 ft

  Major Flood Stage. Water reaches height of Corona Road bridge deck.

• 28.6 ft

  Petalume Blvd. north bound curb lanes flooded. City will close Petaluma Blvd. at Corona Road.

• 28.2 ft

  Industrial Road flooded and should be closed.

• 27.7 ft

  Storm drain system begins to backwater onto Industrial Avenue near Corona Road.

• 27 ft

  Moderate Flood Stage. NWS issues a Flash Flood Warning if not already issued.

• 26.7 ft

  City of Petaluma City Manager notified.

• 25.2 ft

  City of Petaluma notifies Fire Chief, Watch Commander, and Water Resources and Conservation Director. City evaluates need to open Emergency Operations Center.

• 24.9 ft

  Minor Flood Stage. Water begins to cross New Path to rain gage and begins inundating parking lot behind commercial buildings. NWS will issue an urban/small stream advisory if not already issued.

• 22.7 ft

  Action Stage. NWS and City of Petaluma begins to monitoring situation closely.

Highest crests on record

More on Petaluma River