Upon application in writing by any party aggrieved within 30 days after the statement of final expense and its apportionment has been mailed to the parties, the court shall after expiration of that period set a hearing for the determination of any objections to the expense of the reference or to the apportionment thereof. The clerk of the court shall, at least 10 days prior to the date of hearing, give notice thereof by mail to all parties.
Ca. Water Code § 2045