A bill to authorize the Secretary of the Interior to construct, operate, and maintain the Santa Margarita project, California, and for other purposes.

Authorizes the Secretary of the Interior to construct, operate, and maintain the Santa Margarita project, California, for purposes of water supply, flood control, regulation of imported water, recreation, and fish and wildlife enhancement.

States that such project shall consist of specified features, principally, Fallbrook Dam and Reservoir and DeLuz Dam and Reservoir.

Gives the Secretaries of the Interior and of the Army rights of ingress to and egress from to Camp Pendleton to conduct activities associated with such project.

Authorizes appropriations.