OCR Text |
Show XIV 6 UPDATING THE HOOVER DAM DOCUMENTS water, and shall effect reduction of not less than 90 per centum of the dissolved solids in the feed water. The Secretary shall use sources of electric power supply for the desalting complex that will not diminish the supply power to preference customers from Federal power systems operated by the Secretary. All costs associated with the desalting plant shall be nonreimbursable. (c) Replacement of the reject stream from the desalting plant and other drainage waters bypassed to the Santa Clara Slough, at such times as surplus deliveries would not otherwise be made to Mexico, is recognized as a national obligation. The Secretary shall conduct studies to be completed not later than June 30, 1980, providing for adequate replacement water. (d) The Secretary is hereby authorized to advance funds to the United States section, International Boundary and Water Commission (IBWC), for construction, operation, and maintenance by Mexico pursuant to minute numbered 242 to the Mexico Water Treaty of February 3, 1944, of that portion of the bypass drain within Mexico. Such funds shall be transferred to an appropriate Mexican agency, under arrangements to be concluded by the IBWC providing for the construction, operation, and maintenance of such facility by Mexico. (e) Any desalted water not needed for the purposes of this Act may be disposed of at prices and under terms and conditions satisfactory to the Secretary and the proceeds therefrom shall be deposited in the General Fund of the Treasury. (f) For the purpose of reducing the return flows from the division to one hundred and seventy-five thousand acre-feet or less annually, the Secretary is authorized to: (1) Accelerate the cooperative program of Irrigation Management Services with the Wellton-Mohawk irrigation and drainage district, hereinafter referred to as the district, for the purpose of improving irrigation efficiency. The district shall bear its share of the cost of such program as determined by the Secretary. (2) Acquire, by purchase or through eminent domain or exchange, to the extent determined by him to be appropriate, lands or interests in lands to reduce the existing seventy-five thousand irrigable acres authorized by the Act of July 30, 1947, (61 Stat. 628) known as the Gila Reauthorization Act. The initial reduction in irrigable acreage shall be limited to approximately ten thousand acres. If the Secretary determines that the irrigable acreage of the division must be reduced below sixty-five thousand acres of irrigable lands to carry out the purpose of this section, the Secretary is authorized to acquire additional developed irrigable lands, as may be deemed by him to be appropriate. (g) The Secretary is authorized to dispose of the acquired lands and interests therein on terms and conditions satisfactory to him and meeting the objective of this Act or to retain such lands for fish, wildlife, or other appropriate purposes. (h) The Secretary is authorized, either in conjunction with or in lieu of land acquisition, to assist water users in the division in installing system improvements, such as ditch lining, change of field layouts, automatic equipment, sprinkler systems, and bubbler systems, as a means of increasing irrigation efficiencies: Provided, however, That all costs associated with the improvements authorized herein and allocated to the water users on the basis of benefits received, as determined by the Secretary, shall be reimbursed to the United States in amounts and on terms and conditions satisfactory to the Secretary. All costs associated with improvements that will enable water users to meet applicable water quality requirements of State and Federal law shall be the responsibility of the water users under financial criteria established by law. (i) The Secretary is authorized to amend the contract between the United States and the district dated March 4, 1952, as amended, to provide that- |