Oregon Revised Statutes Utility Regulation § 758.315

In the event a designated exclusive service territory is served by a person not authorized by the Public Utility Commission, the commission or the water utility designated by the commission to serve the area may file an action for injunctive relief in the circuit court for any county where some or all of the designated service territory is located. The action shall proceed as in an action not triable by right to a jury. Any party to the action may appeal to the Court of Appeals from the trial court's order. An injunction ordered under this section shall be in addition to any other remedy provided by law.