Cal. Wat. Code § 35520.36
The board may sell the bonds, from time to time, in such quantities as may be necessary and most advantageous to raise money to carry out the objects and purposes of this chapter.
Before making any sale, the board shall at a regular meeting, by resolution, declare its intention to sell a specified amount of the bonds and the day and hour and place of the sale and shall cause notice of the sale to be given by publication of the resolution at least once a week for two successive weeks in a newspaper of general circulation published in each county in which any portion of the district is located and, at its discretion, in other newspapers. The publications shall be complete not less than 10 days prior to the date of sale. The notice shall state that sealed proposals will be received for the purchase of the bonds until the day and hour named in the resolution.
The board shall award the purchase of the bonds to the highest responsible bidder. However, the board may reject all bids. The board shall, in no event, sell any of the bonds for less than 90 percent of the par value thereof.
Ca. Water Code § 35520.36