This document outlines biological recovery criteria (also called viability criteria) for the Oregon Coast Coho Salmon Evolutionarily Significant Unit (ESU) as identified in the NOAA Fisheries Service status review for West Coast coho salmon (Oncorhynchus kisutch) (Weitkamp et al. 1995). This report was developed by the Oregon Coast Workgroup (“the workgroup” or “we”) of the Oregon and Northern California Coasts (ONCC) Technical Recovery Team (TRT).