A bill to authorize the Secretary of the Interior to engage in feasibility studies of the enlargement of Shasta Dam and Reservoir, Central Valley Project, California, and for other purposes.

Authorizes the Secretary of the Interior to engage in feasibility studies concerning: (1) enlarging Shasta Dam and Reservoir, California, or replacing such dam; and (2) using the Sacramento River for conveying water downstream from such enlarged dam and reservoir. Requires State participation in the studies and the costs of the studies.