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Jones Tract Flood

Delta Division Project in San Joaquin County, CA

Project Details

Client: State of California Department of Water Resources
Location: San Joaquin County, CA

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Project Description

On June 3, 2004, at approximately 7:50 a.m. a levee breach occurred on the west levee of the Upper Jones Tract in the southern region of the Delta in San Joaquin County.

The break occurred approximately 1/4 mile north of the Woodward Island ferry exposing the tract to flooding from Middle River. Governor Arnold Schwarzenegger declared a State of Emergency and Dutra Construction was hired to close the breach. Dutra Construction completed closing the breach on June 30, 2004, approximately

20 days ahead of schedule. The closure occurred several days before an astronomical high tide was due. This high tide would have resulted in a rise of the island water surface elevation to its highest level since the day of the breach. As a result of the closure and completion of the protection efforts, there were no problems due to the high tidal period or winds.