Cal. Water Code § 12878.12

The notice shall state the time and place of hearing, that the purpose of the hearing is to establish the boundaries of the maintenance area benefited by the continued operation and maintenance of the unit, and the location of the place or places where the map showing the proposed boundaries as determined by the board or department may be inspected by any interested person. The notice shall include a description of the maintenance area, which may be brief and in general terms.