2015 ORS § 536.320¹
Limitation of powers of commission

The Water Resources Commission shall not have power:

(1) To interfere with, supervise or control the internal affairs of any state agency or public corporation;

(2) To modify, set aside or alter any existing right to use water or the priority of such use established under existing laws; or

(3) To modify or amend any standard or policy as prescribed in ORS 536.310 (Purposes and policies to be considered in formulating state water resources program) nor to adopt any rule or regulation in conflict therewith. [1955 c.707 §10(4)]