Rules; criteria for evaluating allocation and determining mitigation required. The Water Resources Commission shall adopt rules and standards necessary to carry out the provisions of ORS 537.455 to 537.500. The rules may include formulas or other criteria for evaluating the effects of allocation of water on existing rights and for determining whether, and to what extent, mitigation shall be required. [1987 c.264 §6; 1993 c.641 §5]

ORS 537.480 — under Chapter 537.