California Code, Water Code - WAT § 8579

(a) Any aggrieved person shall have a right to seek judicial review of any permit or enforcement order issued by the board by filing a petition for a writ of mandate in accordance with Section 1094.5 of the Code of Civil Procedure, within 30 days after the decision or action has become final.

(b) For purposes of this section, an “aggrieved person” means any person or public agency that, in person or through a representative, appeared at a public hearing of the board in connection with the decision or action appealed, or that, by other appropriate means before the decision, informed the board of the nature of their concerns.