Cal. Water Code § 72681

The text of the petition for annexation shall be published, pursuant to Section 6066 of the Government Code, prior to the time at which it is to be presented to the board, in at least one newspaper printed and published in the district, if there is a newspaper printed and published in the district, together with a notice stating the time and place of the meeting at which the petition will be presented. If the petition is contained upon one or more instruments, only one copy of the petition need be published.