To authorize the Secretary of the Army to carry out a project for flood control and recreation on the Sacramento and American Rivers, California.

[AI summary unavailable — showing source text] Authorizes the Secretary of the Army (Secretary) to: (1) carry out a project for flood control and recreation, Sacramento and American Rivers, California, subject to specified requirements; and (2) exercise authority under the Water Supply Act of 1958, for such project, for water storage and conservation only upon supplemental authorization by the Congress and in compliance with all applicable laws. Requires: (1) the flood control dam constructed as part of the project to be designed so as not to preclude future expansion for water, power, and other beneficial purposes; and (2) the Secretary to cooperate with the State of California to establish an independent consulting board (composed of recognized dam engineering experts) to review the design and construction effort, provide technical confirmation that such dam will create no significantly greater economic, procedural, or other impediments to expansion of the project than construction of a multipurpose dam, and ensure that the design is technically consistent with soil conservation and fish and wildlife mitigation requirements under this Act. Specifies that: (1) this Act shall not constitute a congressional determination that ex…