To authorize the Secretary of the Interior to construct facilities to provide water for irrigation, municipal, domestic, military, and other uses from the Santa Margarita River, California, and for other purposes.

Authorizes the Secretary of the Interior (the Secretary) to construct, operate, and maintain a project to provide water for irrigation, municipal, domestic, military, and other uses from the Santa Margarita River, California, in accordance with the final feasibility report and environmental reviews for the project and this Act. Authorizes project construction only after the Secretary...