Oregon Revised Statutes Water Resources: Irrigation, Drainage, Flood Control, Reclamation § 536.360

In the exercise of any power, duty or privilege affecting the water resources of this state, every state agency or public corporation of this state shall give due regard to the statements of the Water Resources Commission and shall conform thereto. No exercise of any such power, duty or privilege by any such state agency or public corporation which would tend to derogate from or interfere with the state water resources policy shall be lawful.