The board shall appoint a general manager for the district. The board may appoint a secretary, a chief engineer, a legal counsel, a controller, an auditor, a treasurer, and other officers, assistants, and deputies, as the board may deem necessary and provide for by ordinance. These officers shall serve at the pleasure of the board. The offices of auditor, controller, and treasurer may be held by separate officers or combined and held by one officer.
Source:
Section 105050, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=PUC§ionNum=105050..