Central Valley Spring-run Chinook

ESA Listing Status: Threatened on September 16, 1999 pdf format 160kb; updated April 14, 2014 pdf format 503kb

ESU Definition: This evolutionarily significant unit, or ESU, includes naturally spawned spring-run Chinook salmon originating from the Sacramento River and its tributaries, and also spring-run Chinook salmon from the Feather River Hatchery Spring-run Chinook Program. This DPS does not include Chinook salmon that are designated as part of an experimental population.

Note: Some ESU descriptions are proposed for revision. See the June 26, 2013 FR notice (78 FR 38270).

Current Population Trends: 5-Year Salmon Status Review pdf format 758kb

Critical Habitat: Designated September 2, 2005 pdf format 1.6MB

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

Reintroduction Effort: Experimental Population Designation

Chinook Salmon Status Review

Chinook Salmon Federal Register Notices

Chinook Salmon Maps & GIS Data