Prior to 1997, local surface water and groundwater supplied all of the water supply for the city of Santa Barbara (about 120 miles northwest of Los Angeles). Excess pumping of groundwater during times of drought resulted in saltwater intrusion in Storage Unit I of the Santa Barbara groundwater basin.
Since 1997, State Water Project (SWP) water has been delivered to the city, which has reduced the demand for groundwater. However, future urban growth, limits on the supply of imported water, and the decreased storage capacity of Gibraltar Reservoir due to sedimentation will increase the future demand for groundwater, especially during times of drought. There is a need to readily update the potential yield of the local groundwater basins in order to optimally utilize the available water resources during periods of drought.
The objectives of this study are to: (1) understand the dynamic sustainability of the groundwater system; (2) develop tools that will continually update information regarding the city’s sustainable groundwater supply; and (3) identify optimal water-resource management strategies.
This study will consist of four phases: (1) estimate the current (2010) sustainable yield of the Santa Barbara groundwater basins; (2) estimate the future sustainable yield of the groundwater basins; (3) develop empirical decision rules to evaluate the current state of the groundwater basins; and (4) present the results in an interpretive report(s).
Below are publications associated with this project.
Santa Barbara and Foothill groundwater basins Geohydrology and optimal water resources management—Developed using density dependent solute transport and optimization models
Below are partners associated with this project.
- Overview
Prior to 1997, local surface water and groundwater supplied all of the water supply for the city of Santa Barbara (about 120 miles northwest of Los Angeles). Excess pumping of groundwater during times of drought resulted in saltwater intrusion in Storage Unit I of the Santa Barbara groundwater basin.
Location and general features of the Santa Barbara and the Foothill groundwater basins, Santa Barbara, California. Since 1997, State Water Project (SWP) water has been delivered to the city, which has reduced the demand for groundwater. However, future urban growth, limits on the supply of imported water, and the decreased storage capacity of Gibraltar Reservoir due to sedimentation will increase the future demand for groundwater, especially during times of drought. There is a need to readily update the potential yield of the local groundwater basins in order to optimally utilize the available water resources during periods of drought.
The objectives of this study are to: (1) understand the dynamic sustainability of the groundwater system; (2) develop tools that will continually update information regarding the city’s sustainable groundwater supply; and (3) identify optimal water-resource management strategies.
This study will consist of four phases: (1) estimate the current (2010) sustainable yield of the Santa Barbara groundwater basins; (2) estimate the future sustainable yield of the groundwater basins; (3) develop empirical decision rules to evaluate the current state of the groundwater basins; and (4) present the results in an interpretive report(s).
- Publications
Below are publications associated with this project.
Santa Barbara and Foothill groundwater basins Geohydrology and optimal water resources management—Developed using density dependent solute transport and optimization models
Groundwater has been a part of the city of Santa Barbara’s water-supply portfolio since the 1800s; however, since the 1960s, the majority of the city’s water has come from local surface water, and the remainder has come from groundwater, State Water Project, recycled water, increased water conservation, and as needed, seawater desalination. Although groundwater from the Santa Barbara and Foothill - Partners
Below are partners associated with this project.