Sacramento River Winter-run Chinook

ESA Listing Status: Threatened on August 4, 1989  522kb; Updated to Endangered on January 4, 1994 308kb

ESU Definition: This evolutionarily significant unit, or ESU, includes all naturally spawned populations of winter-run Chinook salmon in the Sacramento River and its tributaries in California, as well as two conservation programs maintained at the Livingston-Stone National Fish Hatchery.

Note: Some ESU descriptions are proposed for revision. See the June 26, 2013 FR notice (76 FR 38270).

Current Population Trends: 5-Year Salmon Status Review 638kb

Critical Habitat: Designated June 16, 1993  1,951kb

Protective Regulations: Issued June 28, 2005  295kb

Species in the Spotlight Initiative

Chinook Salmon Status Reviews

Chinook Salmon Federal Register Notices

Chinook Salmon Maps & GIS Data