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Eastern San Joaquin Groundwater Basin Groundwater Management Plan specifically for the Camanche Valley Springs area. The goals and objectives of the Plan are to develop a better understanding of the Basin dynamic and the establishment of a groundwater management program that will ensure the sustainability of the Basin. CCWD coordinates closely with numerous local, State, and Federal agencies as well as SEWD and EBMUD. East Bay Municipal Utility District— EBMUD provides water and wastewater services to over 1.2 million customers east of the San Francisco Bay Area in Alameda and Contra Costa Counties. EBMUD owns and operates two major reservoirs on the Mokelumne River: Pardee and Camanche Reservoirs. Pardee Reservoir, built in 1929, is the primary source of drinking water for EBMUD. Camanche Reservoir, completed in 1969, is a multipurpose reservoir serving a variety of interests on the Lower Mokelumne River including WID's water rights, in-stream flow requirements, and recreation. In times of severe drought, Pardee and Camanche cannot meet the needs of all of its down stream requirements and its customers. For a number of years, EBMUD and ESJPWA studied the possibility of a large scale conjunctive use project in Eastern San Joaquin County beneficial to both parties. A combined project has not yet been negotiated. EBMUD has also fought for over thirty years to uphold a Federal Central Valley Project contract for water from the American River at Nimbus. Opposition to the diversion by Sacramento County interests prompted both sides to develop a mutually beneficial project to divert American River water from the Sacramento River near the town of Freeport. In 2002, the Freeport Regional Water Authority was formed to move the Project forward. EBMUD is allowed to take no more than 133,000 of in one year and no more than 165,000 of in any three year period. EBMUD is expected to divert from Freeport in one-third of all years (http://www.ebmud.com/, 2003). Despite the Freeport Project, EBMUD must address the 20,000 of shortage in a severe drought even while imposing a 25 percent water use reduction through rationing. Several conjunctive use projects involving aquifer storage and recovery (ASR) are currently being evaluated at several sites throughout the East Bay and the Mokelumne River watershed. San Joaquin County is a potential partner for a conjunctive use project. Northeastern San Joaquin County Section 1 Groundwater Banking Authority 37 Introduction