SDDT

Dataset Details

Chinook Salmon Populations

Last updated 7/30/2026

About Dataset

This shapefile describes distinct watershed based subsets of Chinook salmon sharing spatial, genetic, and or life history characteristics for PNW recovery domains. Unique features were developed through the Technical Recovery Team (TRT) population identification process.

Ecosystem:

Freshwater Riverscape

Date Ranges:

12/31/2020 - 12/30/2021

Species:

Chinook

ESU/DPS:

Chinook Salmon (Lower Columbia River ESU), Chinook Salmon (Puget Sound ESU), Chinook Salmon (Snake River Fall Run), Chinook Salmon (Snake River spring/summer-run ESU), Chinook Salmon (Upper Columbia River ESU), Chinook Salmon (Upper Willamette River ESU)

Population:

Chinook (Lower Columbia River) - Coweeman River Fall-run; Chinook (Lower Columbia River) - Kalama River Fall-run; Chinook (Lower Columbia River) - Lewis River Fall-run; Chinook (Lower Columbia River) - Lower Cowlitz River Fall-run; Chinook (Lower Columbia River) - Creek Fall-run; Chinook (Lower Columbia River) - Sandy River Fall-run; Chinook (Lower Columbia River) - Toutle River Fall-run; Chinook (Lower Columbia River) - Upper Cowlitz River Fall-run; Chinook (Lower Columbia River) - Washougal River Fall-run; Chinook (Lower Columbia River) - Big Creek Fall-run; Chinook (Lower Columbia River) - Chinook River Fall-run; Chinook (Lower Columbia River) - Clatskanie River Fall-run; Chinook (Lower Columbia River) - Elochoman River Fall-run; Chinook (Lower Columbia River) - Grays River Fall-run; Chinook (Lower Columbia River) - Mill Creek Fall-run; Chinook (Lower Columbia River) - Scappoose River Fall-run; Chinook (Lower Columbia River) - Youngs Bay Fall-run; Chinook (Lower Columbia River) - White River Fall-run; Chinook (Lower Columbia River) - Hood River Fall-run; Chinook (Lower Columbia River) - Lower Gorge Tributaries Fall-run; Chinook (Lower Columbia River) - Upper Gorge Tributaries Fall-run; Chinook (Lower Columbia River) - Clackamas River Fall-run; Chinook (Lower Columbia River) - Lewis River Bright; Chinook (Lower Columbia River) - Sandy River Bright; Chinook (Lower Columbia River) - Cispus River Spring-run; Chinook (Lower Columbia River) - Kalama River Spring-run; Chinook (Lower Columbia River) - North Fork Lewis River Spring-run; Chinook (Lower Columbia River) - Sandy River Spring-run; Chinook (Lower Columbia River) - Tilton River Spring-run; Chinook (Lower Columbia River) - Toutle River Spring-run; Chinook (Lower Columbia River) - Upper Cowlitz River Spring-run; Chinook (Lower Columbia River) - White River Spring-run; Chinook (Lower Columbia River) - Hood River Spring-run; Chinook (Puget Sound) - Lower Sauk River late run; Chinook (Puget Sound) - Lower Skagit River late run; Chinook (Puget Sound) - North Fork Stillaguamish River late run; Chinook (Puget Sound) - South Fork/Mainstem Stillaguamish River late run; Chinook (Puget Sound) - Skykomish River late run; Chinook (Puget Sound) - Snoqualmie River; Chinook (Puget Sound) - Upper Skagit River late run; Chinook (Puget Sound) - Mid-Hood Canal late run; Chinook (Puget Sound) - Cascade River early run; Chinook (Puget Sound) - Suiattle River early run; Chinook (Puget Sound) - Upper Sauk River early run; Chinook (Puget Sound) - Lower/North Fork/Middle Fork Nooksack early run; Chinook (Puget Sound) - South Fork Nooksack River early run; Chinook (Puget Sound) - White River early run; Chinook (Puget Sound) - Elwha River early late run; Chinook (Puget Sound) - Skokomish River late run; Chinook (Puget Sound) - Cedar River late run; Chinook (Puget Sound) - Green River late run; Chinook (Puget Sound) - Nisqually River late run; Chinook (Puget Sound) - Puyallup River late run; Chinook (Puget Sound) - Sammamish River late run; Chinook (Puget Sound) - Dungeness River summer run; Chinook (Snake River Fall Run) - Snake River Lower Mainstem; Chinook (Snake River spring/summer-run) - Chamberlain Creek; Chinook (Snake River spring/summer-run) - Loon Creek; Chinook (Snake River spring/summer-run) - Marsh Creek; Chinook (Snake River spring/summer-run) - Middle Fork River above Indian Creek; Chinook (Snake River spring/summer-run) - Middle Fork River below Indian Creek; Chinook (Snake River spring/summer-run) - Sulphur Creek; Chinook (Snake River spring/summer-run) - East Fork South Fork River; Chinook (Snake River spring/summer-run) - Little River; Chinook (Snake River spring/summer-run) - Lapwai/Big Canyon; Chinook (Snake River spring/summer-run) - Lawyer Creek; Chinook (Snake River spring/summer-run) - Polatch River; Chinook (Snake River spring/summer-run) - Upper South Fork Clearwater; Chinook (Snake River spring/summer-run) - Big Sheep Creek; Chinook (Snake River spring/summer-run) - Catherine Creek; Chinook (Snake River spring/summer-run) - Grande Ronde River upper mainstem; Chinook (Snake River spring/summer-run) - Imnaha River mainstem; Chinook (Snake River spring/summer-run) - Lookingglass Creek; Chinook (Snake River spring/summer-run) - Lostine River; Chinook (Snake River spring/summer-run) - Minam River; Chinook (Snake River spring/summer-run) - Wenaha River; Chinook (Snake River spring/summer-run) - Asotin Creek; Chinook (Snake River spring/summer-run) - Tucannon River; Chinook (Snake River spring/summer-run) - Bear Valley Creek; Chinook (Snake River spring/summer-run) - Big Creek; Chinook (Snake River spring/summer-run) - Camas Creek; Chinook (Snake River spring/summer-run) - Secesh River; Chinook (Snake River spring/summer-run) - South Fork River mainstem; Chinook (Snake River spring/summer-run) - East Fork River; Chinook (Snake River spring/summer-run) - Lemhi River; Chinook (Snake River spring/summer-run) - North Fork River; Chinook (Snake River spring/summer-run) - Pahsimeroi River; Chinook (Snake River spring/summer-run) - Panther Creek; Chinook (Snake River spring/summer-run) - River lower mainstem below Redfish Lake; Chinook (Snake River spring/summer-run) - River upper mainstem above Redfish Lake; Chinook (Snake River spring/summer-run) - Valley Creek; Chinook (Snake River spring/summer-run) - Yankee Fork; Chinook (Snake River spring/summer-run) - Lochsa River; Chinook (Snake River spring/summer-run) - Lolo Creek; Chinook (Snake River spring/summer-run) - Lower North Fork Clearwater; Chinook (Snake River spring/summer-run) - Meadow Creek; Chinook (Snake River spring/summer-run) - Moose Creek; Chinook (Snake River spring/summer-run) - Upper North Fork Clearwater; Chinook (Snake River spring/summer-run) - Upper Selway River; Chinook (Upper Columbia River) - Entiat River; Chinook (Upper Columbia River) - Methow River; Chinook (Upper Columbia River) - Wenatchee River; Chinook (Upper Willamette River) - Calapooia River Spring-run; Chinook (Upper Willamette River) - Clackamas River Spring-run; Chinook (Upper Willamette River) - McKenzie River Spring-run; Chinook (Upper Willamette River) - Middle Fork Willamette River Spring-run; Chinook (Upper Willamette River) - Molalla River Spring-run; Chinook (Upper Willamette River) - North Santiam River Spring-run; Chinook (Upper Willamette River) - South Santiam River Spring-run

Study Plan URL:

Project:

Salmon Recovery

Content Type:

Spatial

Data Collection Frequency:

Not a Time Series

Season:

Not Applicable

Fishery Management Area:

Acknowledgement:

Published Date

2021

Version

Access and Use

Non-sensitive Data

Download

Contacts

Damon Holzer

Tags

chinook esu population salmon TRT spatial Viability Report 2022 viability

More Information

Source Type	Description	Upload Date	Data File/Connection	EditDelete
File	This compressed file contains the Chinook salmon populations for all PNW listed ESUs, as shown in the viability and population ID documents.	1/20/2026

Showing 1 to 1 of 1 Data

Coverage Areas (1 visible)

Loading map...

Coverage Areas (1)

Area 1 (Pacific Northwest Region)

North: 47.857403

South: 41.689322

East: -113.554688

West: -123.310547

Center: (44.773363, -118.432617)

Dataset Name:

Chinook Salmon Populations

Min Date:

12/31/2020

Contact Organization:

NOAA West Coast Region

Location of dataset (URL):

https://www.webapps.nwfsc.noaa.gov/portal/apps/webappviewer/index.html?id=7514c715b8594944a6e468dd25aaacc9

Reference or application:

Data Collectors:

Shanna Dunn shanna.dunn@noaa.gov

Data User(s):

Citation Notes:

Data Type:

Spatial

Max Date:

12/30/2021

Dataset DOI:

Chinook

Document DOI:

Version:

Access Date:

12/31/1969

Year Published:

2021

Contact Name	Title	Organization	Email	EditDelete
Damon Holzer		NOAA/NWFSC	damon.holzer@noaa.gov

Showing 1 to 1 of 1 Data

Title	Ecosystem	Last Updated	Version	Contact Names
Viability Criteria for Application to Interior Columbia Basin Salmonid ESUs	Freshwater Riverscape	4/20/2026	5	Chris Jordan
Biological Viability Assessment Update for Pacific Salmon and Steelhead Listed Under the Endangered Species Act: Pacific Northwest (Jan 2022)	Freshwater Riverscape	2/9/2026	1	Katie Barnas
Salmon Population Summary 2022 Viability Report dataset	Freshwater Riverscape	4/28/2026	1

Showing 1 to 3 of 3 Data