California Water Code Section 81629

(a) The governing body of each member public entity, other than San Francisco, shall appoint one voting member to the board of the authority. Subject to Section 81673, the governing body of San Francisco shall appoint one nonvoting member to the board of the authority. Each director shall be a registered voter and reside within the boundaries of the member public entity whose governing board appoints him or her. (b) For the purposes of subdivision (a), the governing body of a member public entity may appoint one of its own members to the board if the person otherwise meets the requirements of that subdivision. (c) (1) The Board of Supervisors of San Mateo County shall appoint one voting member to the board who is a resident of San Mateo County, receives water from the California Water Service Company, and is not an officer or employee of the California Water Service Company. (2) The Board of Supervisors of Santa Clara County shall appoint one voting member to the board who is a resident of Santa Clara County, receives water from Stanford University, and is not an officer or employee of Stanford University. (d) If a person appointed pursuant to this section ceases to possess the qualifications for this office set forth in this section, the office shall become vacant and the vacancy shall be filled pursuant to subdivision (c) of Section 81631. (e) No incompatibility of office shall result from an elected official serving on the board of the authority and on the governing board of a member public entity. (f) The initial appointments shall be made not later than March 1, 2003.