Directs the Secretary of the Interior, acting through the Bureau of Reclamation, and in consultation with the Mokelumne River Water and Power Authority, to complete and submit to specified congressional committees a study in the area of the Mokelumne River (California) to determine the feasibility of constructing a project to provide additional water supply and improve water management reliability through the development of new water storage and conjunctive use programs.
Instructs the Secretary: (1) in developing the Study, to use reports and any other relevant information supplied by the Mokelumne River Water and Power Authority, the East Bay Municipal Utility District, and other Mokelumne River Forum stakeholders; and (2) to accept in-kind contributions of goods or services from the Authority as will contribute to the conduct and completion of the Study.
Limits the federal share of Study costs to 50% of the total cost. Authorizes appropriations.
Terminates the Secretary's authority to carry out any provisions of this Act ten years after enactment of this Act.