Snake River Spring/Summer-run Chinook

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

ESU Definition: This evolutionarily significant unit, or ESU, includes all naturally spawned populations of spring/summer-run Chinook salmon in the mainstem Snake River and the Tucannon River, Grande Ronde River, Imnaha River, and Salmon River subbasins, and 15 artificial propagation programs:

• Tucannon River conventional Hatchery
• Tucannon River Captive Broodstock Program
• Lostine River
• Catherine Creek
• Lookingglass Hatchery
• Upper Grande Ronde
• Imnaha River
• Big Sheep Creek
• McCall Hatchery
• Johnson Creek Artificial Propagation Enhancement
• Lemhi River Captive Rearing Experiment
• Pahsimeroi Hatchery
• East Fork Captive Rearing Experiment
• West Fork Yankee Fork Captive Rearing Experiment
• Sawtooth Hatchery

Current Population Trends: 

• Salmon Population Trend Summaries
• Salmon Population Summary Database
• 5-Year Salmon Status Review 2MB

Critical Habitat: Designated Oct. 25, 1999 41kb

Protective Regulations: Issued June 28, 2005 295kb

Chinook Salmon Status Reviews

Chinook Salmon Federal Register Notices

Chinook Salmon Maps & GIS Data