Directs the Secretary of the Interior to allow for prepayment of a specified contract between the United States and the Uintah Water Conservancy District providing for repayment of municipal and industrial water delivery facilities under terms and conditions similar to those used in implementing provisions of the Central Utah Project Completion Act. Provides that the prepayment: (1) may be provided in several installments to reflect substantial completion of the delivery facilities being prepaid; (2) shall be adjusted to conform to a final cost allocation; and (3) may not be adjusted on the basis of the type of prepayment financing utilized by the District.