82 STAT. ]
PUBLIC LAW 90-537-SEPT. 30, 1968
other provisions of existing law to the contrary notwithstanding, such consumptive use of water shall be a part of the hfty thousand acrefeet per annum apportioned to the State of Arizona by article III (a) of the Upper (.olorado River Basin Compact (60 Stat, 31). SEC. 304. (a) Unless and until otherwise provided by Congress, irrigation rewater from the Central Arizona Project shall not be made available ^*^'=°"directly or indirectly for the irrigation of lands not having a recent irrigation history as determined by the Secretary, except in the case of Indian lands, national wildlife refuges, and, with the approval of the Secretary, State-administered wildlife management areas. (b)(1) Irrigation and municipal and industrial water supply mider water supply, the Central Arizona Project within the State of Arizona may, in the triirtT^" event the Secretary determines that it is necessary to effect repayment, be pursuant to master contracts -with organizations which have powder to levy assessments against all taxable real property within their boundaries. The terms and conditions of contracts or other arrangements whereby each such organization makes water from the Central Arizona Project available to users within its boundaries shall be subject to the Secretary's approval, and the United States shall, if the Secretary determines such action is desirable to facilitate carrying out the provisions of this Act, have the right to require that it be a party to such contracts or that contracts subsidiary to the master contracts be entered into between the United States and any user. The provisions of this clause (1) shall not apply to the supplying of water to an Indian tribe for use within the boundaries of an Indian reservation. (2) Any obligation assumed pursuant to section 9(d) of the Reclamation Project Act of 1939 (43 U.S.C. 485h(d)) with respect to any 53 Stat. 1195. project contract unit or irrigation block shall be repaid over a basic period of not more than fifty years; any water service provided pursuant to section 9(e) of the Reclamation Project Act of 1939 (43 U.S.C. 485h(e)) may be on the basis of delivery of water for a period of fifty years and for the delivery of such water at an identical price per acrefoot for water of the same class at the several points of delivery from the main canals and conduits and from such other points of delivery as the Secretary may designate; and long-term contracts relating to irrigation water supply shall provide that water made available thereunder may be made available by the Secretary for municipal or industrial purposes if and to the extent that such water is not required by the contractor for irrigation purposes. (3) Contracts relating to municipal and industrial water supply under the Central Arizona Project may be made without regard to the limitations of the last sentence of section 9(c) of the Reclamation Project Act of 1939 (43 U.S.C. 4 8 5 h (c)); may provide for the delivery of such water at an identical price per acre-foot for water of the same class at the several points of delivery from the main canals and conduits; and may provide for repayment over a period of fifty years if made pursuant to clause (1) of said section and for the delivery of Waaler over a period of fifty years if made pursuant to clause (2) thereof. (c) Each contract under which water is provided under the Central water conArizona Project shall require that (1) there be in effect measures, ade- servation. quale in the judgment of the Secretary, to control expansion of irrigation from aquifers affected by irrigation in the contract service area; (2) the canals and distribution systems through which water is conveyed after its delivery by the United States to the contractors shall be provided and maintained with linings adequate in his judgment to prevent excessive conveyance losses; and (3) neither the contractor nor the Secretary shall pump or permit others to pump ground water from within the exterior boundaries of the service area of a contractor re^ceiving water from the Central Arizona Project for any use outside
891
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