Section 536.320 - Limitation of powers of commissionThe 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 nor to adopt any rule or regulation in conflict therewith.