Lower Columbia River Chinook

ESA Listing Status: Threatened on June 28, 2005 295kb

ESU Definition: This evolutionarily significant unit, or ESU, includes all naturally spawned populations of Chinook salmon from the Columbia River and its tributaries from its mouth at the Pacific Ocean upstream to a transitional point between Washington and Oregon east of the Hood River and the White Salmon River, and includes the Willamette River to Willamette Falls, Ore., exclusive of spring-run Chinook salmon in the Clackamas River, and 17 artificial propagation programs:

• Sea Resources Tule Chinook Program
• Big Creek Tule Chinook Program
• Astoria High School (STEP) Tule Chinook Program
• Warrenton High School (STEP) Tule Chinook Program
• Elochoman River Tule Chinook Program
• Cowlitz Tule Chinook Program
• North Fork Toutle Tule Chinook Program
• Kalama Tule Chinook Program
• Washougal River Tule Chinook Program
• Spring Creek NFH Tule Chinook Program
• Cowlitz spring Chinook Program in the Upper Cowlitz River and the Cispus River
• Friends of the Cowlitz spring Chinook Program
• Kalama River spring Chinook Program
• Lewis River spring Chinook Program
• Fish First spring Chinook Program
• Sandy River Hatchery (ODFW stock #11) Chinook Program 

Current Population Trends:

• Salmon Population Trend Summaries
• Salmon Population Summary Database
• 5-Year Salmon Status Review 1.8MB

Critical Habitat: Designated Sept. 2, 2005 1.1MB

• Supporting Information

Protective Regulations: Issued June 28, 2005 295kb

Chinook Salmon Status Reviews

Chinook Salmon Federal Register Notices

Chinook Salmon Maps & GIS Data