Cal. Wat. Code § 35552
If a majority of the votes cast at an election held pursuant to the provisions of Section 35549 is in favor of the proposed plan, the board shall, within 30 days after canvass of the results of such election, by resolution reciting the fact of such election, the total number of votes cast thereat, the number of votes cast in favor of the plan and the number of votes cast opposed to the plan, approve the proposed plan. If a majority of the votes cast at such election is opposed to adoption of the proposed plan, the proceedings shall be terminated upon the canvass of the vote and no further proceedings may be taken with respect to such plan or any modification thereof for a period of one year from the date of the election.
Ca. Water Code § 35552