Columbia River Chum

ESA Listing Status: Threatened on June 28, 2005 pdf format 295kb; updated April 14, 2014 pdf format 503kb

ESU Definition: This evolutionarily significant unit, or ESU, includes naturally spawned chum salmon originating from the Columbia River and its tributaries in Washington and Oregon, and also chum salmon from two artificial propagation programs:

Current Population Trends:

Critical Habitat: Designated Sept. 2, 2005 pdf format 822kb

Protective Regulations: Issued June 28, 2005 pdf format 295kb

Chum Salmon Status Reviews

Chum Salmon Federal Register Notices

Chum Salmon Maps & GIS Data