Willow Brook at Old Redwood Highway Bridge

The past week

What floods at each level

• 44.3 ft

  Major Flood Stage. Water level has reached by bottom of the bridge soffit.

• 43.9 ft

  Flood waters flowing down Redwood Way at Old Redwood Highway.

• 43.2 ft

  Water levels are above bankfull and begin flowing through upstream businesses, including passing through the old lumber company's parking lot.

• 43 ft

  Moderate Flood Stage. A local detention basin may begin to release water onto North McDowell Blvd. Ext.

• 42.3 ft

  Water begins to flow across Ely Road at the railroad track near Old Redwood Highway. Holm Road begins to flood and water ponds on North McDowell at the Post Office.

• 41.7 ft

  City of Petaluma will notify the City Manager and evaluate the need to activate the Emergency Operations Center.

• 40.7 ft

  Action Stage. NWS and City of Petaluma will be closely monitoring the situation. NWS will issue an urban/small stream advisory if not already issued.

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