Southern California Groundwater Study

Prof. Hilda Blanco, Dr. E. Maggioni, A. ValdezCenter for Sustainable CitiesPrice School of Public Policy

University of Southern California

11/17/2015

CSC Southern California Groundwater Study Team• Dr. Hilda Blanco

• Dr. Elena Maggioni

• Arnold Valdez, Research Assistant

• Patrick Cousineau, Research Assistant

• Raul Santiago, Research Assistant

• Cassie Gogreve

• Kyle Coulam

Outline

• Purpose and scope of the research

• Methods

• Data collected

• Description of the results

Groundwater Strategy for Southern California

• Project Scope• Update groundwater agency profiles

• Engage agencies in a process to determine:• Common issues and challenges

• Whether common challenges can be addressed more effectively through regional coordination

• Types of regional coordination possible

• Next steps

• Funded by the Haynes Foundation• 2 year project

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200,000.00

400,000.00

600,000.00

800,000.00

1,000,000.00

1,200,000.00

1,400,000.00

1,600,000.00

1,800,000.00

Actual extractions Extraction rights Allowable extractions

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200,000.00

400,000.00

600,000.00

800,000.00

1,000,000.00

1,200,000.00

1,400,000.00

1,600,000.00

1,800,000.00

Actual extractions Extraction rights

Allowable extractions Linear (Actual extractions)

Linear (Extraction rights) Linear (Allowable extractions)

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200,000.00

400,000.00

600,000.00

800,000.00

1,000,000.00

1,200,000.00

1,400,000.00

1,600,000.00

1,800,000.00

Actual extractions Extraction rights Allowable extractions Recharge

-

200,000.00

400,000.00

600,000.00

800,000.00

1,000,000.00

1,200,000.00

1,400,000.00

1,600,000.00

1,800,000.00

Actual extractions Extraction rights Allowable extractions Storage

An evaluation of existing data on groundwater

•Parameters:

• Access

• Time frame

• Source of data

• Clarity

• Consistency

Basin Precipitation Extractions Replenishment Groundwater elevations

Groundwater quality

Monitoring Budget and finance

Central and West(last available 2013 – 2014)

San Fernando(last available 2012 – 2013)

Orange County(last available 2013 – 2014)

Main San Gabriel(last available 2014 – 2015)

Chino(last available 2012 – 2013)

Fox Canyon(last available 2013 – 2014)

San Juan(last available 2010)

Raymond(last available 2014 – 2015)

San Jacinto(last available 2013-2014)