To authorize the Secretary of the Interior to prepare a feasibility study with respect to the Mokelumne River, and for other purposes.

[AI summary unavailable — showing source text] Authorizes the Secretary of the Interior to prepare a feasibility study, entitled the Mokelumne River Regional Water Storage and Conjunctive Use Project Study, only after the Secretary determines through an appraisal study (the costs of which shall be non-reimbursable) that there is a potentially feasible alternative by which one or more agencies within the Department of the Interior could provide additional water supply and water management flexibility within the San Joaquin Valley, California, through the development of new water storage and conjunctive use programs. Authorizes the Secretary to provide a grant, or enter into a cooperative agreement, to facilitate preparation of the appraisal study. Directs the Secretary: (1) in developing the Study, to use reports and any other relevant information supplied by the Mokelumne River Water and Power Authority; (2) after completion of the appraisal study, to complete the Study and provide copies to specified congressional committees; and (3) to accept in-kind contributions of goods or services from the Authority as will contribute to the conduct and completion of the Study.…