Cal. Wat. Code § 36257
If a majority written protest is made pursuant to Section 36255 against the plan of works, the proposed issuance of general obligation bonds therefor or the amount thereof, and the board finds that the protest is made by either one-half or more of the area proposed to be assessed for the payment of the general obligation bonds proposed to be issued, or more than one-half of the assessed valuation of the land within the boundaries of the district or the improvement district to be assessed for the payment of the interest and principal of the general obligation bonds proposed to be issued, and such protests are not withdrawn so as to reduce the same to less than a majority in either instance, the proceedings shall be terminated and no further proceedings shall be taken for a period of one year from the date of the decision of the board on the hearing.
Ca. Water Code § 36257