ORS § 536.350
The Water Resources Commission shall deliver a copy of each water resources statement referred to in ORS 536.300(2) to each state agency or public corporation of this state which may be concerned with or which may carry on activities likely to affect the use or control of the water resources of this state. Each state agency or public corporation of this state which receives a copy of a water resources statement shall give to the commission a receipt for the water resources statement. A copy of any such statement duly certified by the Water Resources Director to be a full, true and correct copy shall be received in evidence in any court in the state and if the certificate recites that a copy of the statement was delivered to a particular state agency or public corporation of this state, it shall be presumed that the same was actually delivered as stated in the certificate.
ORS 536.350