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Eastern San Joaquin Groundwater Basin Groundwater Management Plan Northeastern San Joaquin County Section 1 Groundwater Banking Authority 28 Introduction Table 1-4 Components of a Groundwater Management Plan Plan Component Recommended by AB 3030 Required by SB 1938 Plan Sections Control of saline water intrusion X 2, 3, 4, 5, 8 Management of wellhead protection and recharge areas X 4 Regulation of contaminated groundwater X 4 The administration of a well abandonment X 4 Elimination of groundwater overdraft X 2, 3, 4, 5, 8 Replenishment of groundwater X 2, 3, 4, 8 Groundwater monitoring X X 5 Operation of a conjunctive water management system X 3, 8 Well construction standards X 4 Financing groundwater management projects X 6, 7 The development of groundwater management partnerships X 1, 4, 7, 8 Coordination of land use planning and groundwater management X 4 Description of participation by interested parties X 1, 7 Plan to involve agencies overlying the basin X 1, 7 Basin Management Objectives X 3 Basin management entity and area map X 1 Sources: California Department of Water Resources Division of Planning and Local Assistance http://wwwdpla.water.ca.gov/cgi-bin/supply/gw/management/hq/ab3030/main.pl California Department of Water Resources Draft 2003 Update Bulletin 118 1.6 Current Groundwater Management Efforts To ensure that groundwater management efforts are not duplicated or conflicting, the Authority has reviewed existing groundwater and urban water management plans of member agencies, which are attached in the Technical Appendix. 1.6.1 Overview of Existing Groundwater Management Plans Woodbridge Irrigation District – The Woodbridge Irrigation District (WID), organized in 1924 under the California Irrigation District Act, holds extensive water rights to Mokelumne River Water dating back to the mid-1880s. The boundaries of WID encompass a gross area of approximately 42,900 acres., however, WID is discontinuous resulting in patches of non-district lands within the its boundary. WID overlaps with the North San Joaquin Water Conservation District (NSJWCD), Stockton East Water District (SEWD), and the City of Lodi. In 1996, WID adopted an AB 3030 Groundwater Management Plan for the purpose of ensuring that groundwater levels would continue to supplement surface water supplies in order to meet the demands of the District. WID’s goal for conjunctive use is to maximize the use of surface water for the protection of the underground water supply. WID was also a member agency of the East San Joaquin Parties Joint Powers Authority, a predecessor to the Authority. WID owns and operates the aging Woodbridge Diversion Dam located on the Lower Mokelumne River northeast of Lodi and an extensive canal system serving approximately 13,000 acres. Due to the deterioration and age of the Woodbridge Diversion Dam, WID has worked very hard to obtain the necessary approvals for its replacement. Through WID’s conservation efforts to convert to drip irrigation, WID has made available up to 6,000 af/yr to the City of Lodi at a cost of $200/af. WID intends to use the proceeds of the water purchase agreement to finance the current construction activities to replace the Woodbridge Diversion