Cal. Water Code § 21166
Notwithstanding any other provision of law, a director, for sitting on the board or acting under its orders, shall receive both of the following:
(a)
(2) In districts that produce or distribute electric power, one of the following methods of compensation:
(b) Actual and necessary expenses when acting under the orders of the board.
For purposes of this section, the determination of whether a director’s activities on any specific day are compensable shall be made pursuant to Article 2.3 (commencing with Section 53232) of Chapter 2 of Part 1 of Division 2 of Title 5 of the Government Code. Reimbursement for these expenses is subject to Sections 53232.2 and 53232.3 of the Government Code.