Cal. Pub. Util. Code § 11641

Upon receipt of certified copies of the resolutions or of a sufficient petition, the board of supervisors to whom they are presented shall call an election within the proposed district without delay, to be held on the next established election date not less than 74 days after the date of the order calling the election, for the purpose of determining whether the proposed district will be created and established, and for the purpose of electing the first board of directors therefor in case the district is created.