; and (2) specific requirements for the disposition of amounts received as repayments by the Secretary under the Act of June 17, 1902 (32 Stat. 388, chapter 1093), and Acts supplemental to and amendatory of that Act ( 43 U.S.C. 371 et seq. ). (e) Surface water storage enhancement program (1) In general Except as provided in subsection (d)(2), three years following the date of enactment of this Act, 50 percent of receipts generated from prepayment of contracts under this section beyond amounts necessary to cover the amount of receipts forgone from scheduled payments under current law for the 10-year period following the date of enactment of this Act shall be directed to the Reclamation Surface Water Storage Account under paragraph (2). (2) Surface storage account The Secretary shall allocate amounts collected under paragraph (1) into the Reclamation Surface Storage Account to fund the construction of surface water storage. The Secretary may also enter into cooperative agreements with water users’ associations for the construction of surface water storage and amounts within the Surface Storage Account may be used to fund such construction. Surface water storage projects that are otherwise not federally authorized shall not be considered Federal facilities as a result of any amounts allocated from the Surface Storage Account for part or all of such facilities. (3) Repayment Amounts used for surface water storage construction from the Account shall be fully reimbursed to the Account consistent with the requirements under Federal reclamation law (the law (the Act of June 17, 1902 (32 Stat. 388, chapter 1093))) and Acts supplemental to and amendatory of that Act ( 43 U.S.C. 371 et seq. ) except that all funds reimbursed shall be deposited in the Account established under paragraph (2). (4) Availability of amounts Amounts deposited in the Account under this subsection shall— (A) be made available in accordance with this section, subject to appropriation