California Code, Water Code - WAT § 1443.3

(a) As soon as practicable after the receipt of a petition for a temporary change order, the board shall issue and deliver to the petitioner a notice of the petition and a list of persons who, in the judgment of the board, could be adversely affected by the temporary change.  The board shall post the notice to its internet website within 10 days of issuing the notice to the petitioner.

(b) The petitioner shall provide notice by registered or electronic mail to each person on the list of interested persons provided by the board and the list of interested persons maintained by any groundwater sustainability agency or local agency for the basin where the water is proposed to be stored.  The petitioner shall provide proof of notice to the board.

(c) Any interested person may file an objection to the temporary diversion and use with the board within 30 days of the mailing of the notice by the petitioner.  A person filing an objection shall send a copy to the applicant.

(d) The board shall consider an objection, and may hold a hearing on the objection after notice to all interested persons, before acting upon a petition for a temporary change order.