(1) The Columbia river water delivery account is created in the state treasury. Moneys in the account may be spent only after appropriation. The account consists of all moneys transferred or appropriated to the account by law. The legislature may appropriate moneys in the account:

(a) For distributions for purposes of RCW 90.90.060 as provided in this section; and

(b) To the department of ecology for other purposes relating to implementation of RCW 90.90.060 and 90.90.080.

(2) On July 1, 2008, and each July 1st thereafter for the duration of the agreements described in RCW 90.90.060, the state treasurer shall transfer moneys from the general fund into the Columbia river water delivery account in the amounts described in subsection (3) of this section.

(3) Subject to appropriations, on July 1, 2008, and each July 1st thereafter, the state treasurer shall distribute moneys from the Columbia river water delivery account as follows:

(a) To the Confederated Tribes of the Colville Reservation, on July 1, 2008, the sum of three million seven hundred seventy-five thousand dollars; and on July 1, 2009, the sum of three million six hundred twenty-five thousand dollars. Each July 1st thereafter for the duration of the agreement, the treasurer shall distribute an amount equal to the previous year's distribution adjusted for inflation. The inflation adjustment shall be computed using the percentage change on the implicit price deflator for personal consumption expenditures for the United States for the previous calendar year, as compiled by the bureau of economic analysis of the United States department of commerce and reported in the most recent quarterly publication of the economic and revenue forecast council or successor agency.

(b) To the Spokane Tribe of Indians, on July 1, 2008, the sum of two million two hundred fifty thousand dollars. Each July 1st thereafter for the duration of the agreement, the treasurer shall distribute an amount equal to the previous year's distribution adjusted for inflation. The inflation adjustment shall be computed using the percentage change in the consumer price index for the Washington state Seattle-Tacoma-Bremerton consolidated metropolitan statistical area for the previous calendar year as compiled by the bureau of labor statistics, United States department of labor, and reported in the most recent quarterly publication of the economic and revenue forecast council or successor agency.

(4) The state treasurer may not distribute moneys from the Columbia river water delivery account to a tribe pursuant to this section unless the director of ecology has certified in writing to the state treasurer and the legislature that the agreement with the tribes is still in effect.

Effective date—2008 c 82: See note following RCW 90.90.060.