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San Joaquin River Hydrologic Region California's Groundwater <br /> San Joaquin Valley Groundwater Basin Bulletin 118 <br /> Well Characteristics <br /> Well yields(gal/min) <br /> Municipalllrrigation. Range: 500—3,000 gpm with specific capacities <br /> of 10 to 100 gpmlft <br /> (Davis G.H. et al. 1964) <br /> Total depths(ft) <br /> Domestic Range: 44—665 Average: 188(Based <br /> on 888 well completion <br /> reports) <br /> Municipal/irrigation Range: 60—9,020 Average: 352(Based <br /> on 70 well completion <br /> reports) <br /> Active Monitoring Data <br /> Agency Parameter Number of wells <br /> /measurement frequency <br /> DWR Groundwater levels 3 semiannually <br /> San Joaquin County Groundwater levels 15 semiannually <br /> Flood Control [and <br /> cooperators] <br /> DWR Miscellaneous 6 biennially <br /> water quality <br /> Department of Title 22 water 183 annually <br /> Health Services and quality <br /> cooperators <br /> Basin Management <br /> Groundwater management: San Luis and Delta-Mendota Water Authority <br /> North adopted an AB 3030 plan on December <br /> 5, 1997. The Water Authority is composed of <br /> the following agencieslcompanies: Banta- <br /> Carbona I.D.; City of Tracy, Del Puerto W.D.; <br /> Patterson W.D.; Plain View W.D.; San Joaquin <br /> County FC&WCD;West Side I.D.; and West <br /> Stanislaus I.D. <br /> Water agencies <br /> Public/Private Naglee Burk I.D., North Delta W.A., City of <br /> Tracy, Contra Costa W.D., Diablo W.D., East <br /> Contra Costa I.D.,Alameda CFC&WCD, <br /> Banta-Carbona I.D., Byron Bethany I.D., <br /> Central Delta W.A., City of Antioch WSA, City <br /> of Brentwood WSA, Pescadero R.D. No.2058, <br /> Plain View W.D., Reclamation District No. <br /> 2039.South Delta W.A., Stockton-East W.D., <br /> The West Side I.D.,West Stanislaus 1.D, <br /> References Cited <br /> Bertoldi,G.L.,R.H.Johnston,and Evenson,K.D.(1991)."Ground Water in the Central <br /> Valley,California-A Summary Report."Professional Paper 1401-tl,U.S.Department <br /> of the Interior,Geological Survey. <br /> Davis G.H.,Lofgren,B.E„and Mack,S.(1964)."Use of ground-water reservoirs for storage <br /> of surface water in the San Joaquin Valley,California." Water-Supply Paper 1618,U.S. <br /> Department of the Interior,Geological Survey. <br /> DWR.(1999)."Groundwater Management in California 1999-A Report to the Legislature <br /> Pursuant to Senate Bill 1245(1997)."California Department of Water Resources. <br /> Last update 1120106 <br />