Utah Code § 73-10-28
§ 73-10-28. Charges for use -- Interest.
(1) As used in this section, "board" means the Board of Water Resources created in Section 73-10-1.5. (2) The board shall establish: (a) a charge for the use of water, power, or a facility based on: (i) a contractual agreement approved by the board for a project owned by the state; and (ii) the ability of an individual project to return the investment to the state; and (b) an interest rate for the money the board lends to finance a project based on: (i) market conditions; (ii) the repayment ability of the project; and (iii) other factors considered relevant by the board.