In addition to the information required to be given to the board of supervisors and the auditor of each affected county pursuant to Chapter 1 (commencing with Section 75350) of Part 8 of this division, the board shall at the same time annually furnish the board of supervisors and the auditor of each affected county the estimated sum of a ground water charge which the board intends to levy in any zone or zones.
Ca. Water Code § 75598