Cal. Water Code § 6433

(a) The Attorney General, upon request of the department, shall bring an action in superior court seeking injunctive relief, penalties, fees, costs, or any other remedies available to the department under this division. (b) Any action or proceeding under this division shall be commenced in the superior court in the county that the cause or some part thereof arose, the owner or person complained of has its principal place of business, or the owner or person complained of resides. (c) In any civil action brought pursuant to this division that the department determines there is a threat to human health, safety, or the environment, and seeks a temporary restraining order, preliminary injunction, or permanent injunction, it shall not be necessary to allege or prove at any stage of the proceeding that irreparable damage will occur should the temporary restraining order, preliminary injunction, or permanent injunction not be issued, or that the remedy at law is inadequate, and the temporary restraining order, preliminary injunction, or permanent injunction shall issue without those allegations and proof.