FIRMING OF CENTRAL ARIZONA PROJECT INDIAN WATER.

SEC. 105. FIRMING OF CENTRAL ARIZONA PROJECT INDIAN WATER.(a) Firming Program.—The Secretary and the State shall develop a firming program to ensure that 60,648 acre-feet of the agricultural priority water made available pursuant to the master agreement and reallocated to Arizona Indian tribes under section 104(a)(1), shall, for a 100-year period, be delivered during water shortages in the same manner as water with a municipal and industrial delivery priority in the Central Arizona Project system is delivered during water shortages.(b) Duties.—(1) Secretary.—The Secretary shall—(A) firm 28,200 acre-feet of agricultural priority water reallocated to the Tohono O’odham Nation under section 104(a)(1)(A)(ii); and(B) firm 8,724 acre-feet of agricultural priority water reallocated to Arizona Indian tribes under section 104(a)(1)(A)(iii).(2) State.—The State shall—(A) firm 15,000 acre-feet of agricultural priority water reallocated to the Community under section 104(a)(1)(A)(i);(B) firm 8,724 acre-feet of agricultural priority water reallocated to Arizona Indian tribes under section 104(a)(1)(A)(iii); and(C) assist the Secretary in carrying out obligations of the Secretary under paragraph (1)(A) in accordance with section 306 of the Southern Arizona Water Rights Settlement Amendments Act (as added by section 301).(c) Authorization of Appropriations.—There are authorized to be appropriated to the Secretary such sums as are necessary to carry out the duties of the Secretary under subsection (b)(1).