California Code, Code of Civil Procedure - CCP § 835

(1) A groundwater sustainability agency that overlies the basin or a portion of the basin.

(2) A city, county, or city and county that overlies the basin or a portion of the basin.

(3) A district with authority to manage or replenish groundwater resources of the basin in whole or in part.

(4) The operator of a public water system or state small water system that uses groundwater from the basin to supply water service.

(5) A California Native American tribe that is on the contact list maintained by the Native American Heritage Commission.

(6) The Attorney General, the State Water Resources Control Board, the department, and the Department of Fish and Wildlife.

(7) A federal department or agency that manages a federal reservation that overlies the basin or a portion of the basin.

(8) A person identified under Section 836.5 who is not a party to the comprehensive adjudication.

(9) A person who is on a list, maintained by a groundwater management agency, of interested parties that have requested notice under the Sustainable Groundwater Management Act.

(c)(1) Except as provided in paragraph (2), the plaintiff shall provide notice under this section as follows:

(2) The plaintiff may take additional time as is reasonably necessary before providing notice under this section if the plaintiff determines that additional time is necessary to identify a person entitled to notice under this section, confirm the accuracy of the name or address of a person, or to determine if the conditions requiring notice have been satisfied.