To effectuate the increase as provided in Section 11857, the board of directors in office on January 1, 1994, shall, by resolution or ordinance adopted within 90 days after that date, divide the territory of the district into seven wards, and fix the boundaries thereof. The boundaries shall be fixed so that the wards are as equal in population as may be.
Source:
Section 11857.1, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=PUC§ionNum=11857.1..