The following operating principle applies to coho salmon in the Tualatin subbasin: Maintain natural production of coho salmon in the Tualatin subbasin consistent with achieving the desired status for winter steelhead and spring Chinook populations identified in the Upper Willamette River Conservation and Recovery Plan for Chinook Salmon and Steelhead (OAR 635-500-6600).
Or. Admin. Code § 635-500-1630
Stat. Auth.: ORS 496.138, 496.146 & 506.119
Stats. Implemented: ORS 506.109 & 506.129