ORS § 537.332 : WATER RESOURCES: IRRIGATION, DRAINAGE, FLOOD CONTROL, RECLAMATION — APPROPRIATION OF WATER GENERALLY —STREAM WATER RIGHTS — Definitions for ORS 537.332 to 537.360 TEXT PDF As used in ORS 537.332 to 537.360: (1) "In-stream" means within the natural stream channel or lake bed or place where water naturally flows or occurs. (2) "In-stream flow" means the minimum quantity of water necessary to support the public use requested by an agency. (3) "In-stream water right" means a water right held in trust by the Water Resources Department for the benefit of the people of the State of Oregon to maintain water in-stream for public use. An in-stream water right does not require a diversion or any other means of physical control over the water. (4) "Public benefit" means a benefit that accrues to the public at large rather than to a person, a small group of persons or to a private enterprise. (5) "Public use" includes but is not limited to: (a) Recreation; (b) Conservation, maintenance and enhancement of aquatic and fish life, wildlife, fish and wildlife habitat and any other ecological values; (c) Pollution abatement; or (d) Navigation. ORS 537.332 1987 c.859 §2; 1995 c.416 §32