To amend the Central Utah Project Completion Act to clarify the responsibilities of the Secretary of the Interior with respect to the Central Utah Project, to redirect unexpended budget authority for the Central Utah Project for wastewater treatment and reuse and other purposes, to provide for prepayment of repayment contracts for municipal and industrial water delivery facilities, and to eliminate a deadline for such prepayment.

Amends the Central Utah Project Completion Act to: (1) provide that the Secretary of the Interior is responsible for carrying out the responsibilities identified in the Act and the Colorado River Storage Project Act relating to the Central Utah Project, including oversight for all of the Project's phases, the administration of all prior and future contracts, and operation and maintenance of previously constructed facilities; (2) authorize the Secretary to utilize any unexpended budget authority provided with respect to Project construction for units of the Project; (3) authorize the Secretary to utilize such funds as may be provided by the Utah Reclamation Mitigation and Conservation Commission for fish and wildlife purposes to implement water conservation measures (currently), including use of reverse osmosis membrane technologies, water recycling, and conjunctive use; (4) direct the Secretary to allow for prepayment of any additional or supplemental repayment contracts providing for repayment of municipal and industrial water delivery facilities of the Project; and (5) repeal the existing requirement concerning the exercise by the Utah Water Conservancy District of its right to prepayment.