Cal. Water Code § 60143

Each director shall receive compensation in an amount not exceeding one hundred dollars ($100) for each day’s attendance at meetings of the board or for each day’s service rendered as a director by request of the board, not exceeding a total of six days in any calendar month, together with any expenses incurred in the performance of his or her duties required or authorized by 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.