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, recreation, and fish and wildlife enhancement.

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