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  California Water Science Center

San Joaquin Chlorides - supplementary drilling Stockton East Water District

Water levels are declining and chloride concentrations are increasing in western San Joaquin County as a result of pumping in excess of recharge. One method of controlling declining water levels (and thereby controlling increasing chloride concentrations) is through increased ground-water recharge. An ongoing USGS study has identified a need for an additional depth-dependent monitoring well to evaluate the effect of ground-water recharge operations by the Stockton East Water District. The proposed multiple-well site is intended to provide data on water level responses to ground-water recharge and changes in water quality at discrete depths within the aquifer.

Map of Study Area

Project Chief: Loren Metzger and John Izbicki
Phone: 916-278-3000
Email: lmetzger@usgs.gov,jaizbick@usgs.gov

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URL: http://ca.water.usgs.gov/projects/stockton_drill.html
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Page Last Modified: Thursday, 29-Dec-2016 23:06:31 EST