Willow Brook at Stony Point Road

The past week

What floods at each level

• 40.4 ft

  Major Flood Stage. Water reaches bridge deck height.

• 39.3 ft

  Water reaches bottom of bridge and soffit.

• 39.1 ft

  Stony Point Road at Petaluma Blvd. flooded.

• 39 ft

  Moderate Flood Stage. Water is above bankfull over north side of levy (pumpkin patch).

• 38.9 ft

  Water starts flowing across Stony Point Road south of Leisure Lake and begins flowing towards Highway 101 around/into the intersection of Petaluma Boulevard North and Stony Point Road. Water begins flowing across Rainsville Road but passable as an emergency exit for Leisure Lake (City of Petaluma Policies and Procedures).

• 38.7 ft

  Stony Point Road south of Leisure Lake flooded and should be closed.

• 37.4 ft

  Minor Flood Stage. NWS issues a Flash Flood Warning if not already issued. Waters reach edge of Stony Point Road south-bound lane.

• 34.7 ft

  City of Petaluma Manager notified. City of Petaluma evaluates need to open Emergency Operations Center.

• 33.7 ft

  Action Stage. NWS and City of Petaluma monitoring gage readings closely. City of Petaluma Fire Chief, Watch Commander, and Water Resources and Conservation Director notified.

Highest crests on record

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