California Code, Health and Safety Code - HSC § 9028

(a) At the first meeting of the initial board of trustees of a newly formed district, and in the case of an existing district not later than the first meeting of every calendar year, the board of trustees shall elect its officers.

(b) The officers of a board of trustees are a chairperson, vice chairperson, and a secretary. The chairperson and vice chairperson shall be trustees. The secretary may be either a trustee or a district employee. A board of trustees may create additional officers and elect members to those positions. No trustee shall hold more than one office.

(c) Except as provided in Section 9077, the county treasurer of the principal county shall act as the district treasurer. The county treasurer shall receive no compensation for the receipt and disbursement of money of the district.