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) (1) Except as specified in paragraphs (2) and (3), compensation not to exceed one hundred dollars ($100) per day, not exceeding six days in any calendar month. (2) In districts that produce or distribute electric power, one of the following methods of compensation: (A) Compensation not to exceed one hundred dollars ($100) per day. (B) A monthly salary of not to exceed six hundred dollars ($600) per month. (C) Annual compensation not to exceed fifteen thousand dollars ($15,000). Any annual compensation pursuant to this subparagraph shall be fixed by the adoption of an ordinance pursuant to Sections 20203 to 20207, inclusive. (3) Districts containing 500,000 acres or more are governed by Section 22840. (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.