PLAN FOR THE CLOSURE OF TJ DRAIN.

SEC. 106. PLAN FOR THE CLOSURE OF TJ DRAIN. (A) The Secretary, in consultation with the Tribes and in accordance with applicable law, shall develop and implement a plan for the closure, including if appropriate, modification of components, of the TJ drain system, including the main TJ drain, the TJ-1 drain and the A drain and its sublaterals, in order to address any significant environmental problems with that system and its closure. (B) The plan shall include measures to provide necessary substitute drainage in accordance with Bureau of Reclamation standards for reservation lands in agricultural production as of the 1990 irrigation season that are served by that system, unless the Tribes and the Secretary agree otherwise. (C) Implementation of the plan shall not interfere with ongoing agricultural operations. (D) The United States shall bear all costs for developing and implementing the plan. (E) There is authorized to be appropriated such sums as may be necessary to carry out the provisions of this section.