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The Northwest Power and Conservation Council (NPCC; formerly the Northwest Power Planning Council) led the 2001-2004 effort to develop comprehensive subbasin plans throughout the Columbia River basin. StreamNet both provided data to support subbasin planning and also received and distributes compilations of the data used in the plans. This page provides links to data resources and overview information that are available for each subbasin.

At the beginning of the subbasin planning effort, StreamNet created spreadsheets of pre-existing data for each subbasin, and other resources such as GIS layers and maps. (The spreadsheets, originally done in 2001, were updated in February 2003. Both are available below.)

After the plans were completed, StreamNet, the Technical Outreach and Assistance to Subbasins Team (TOAST), the Columbia River InterTribal Fish Commission (CRITFC), and the Northwest Habitat Institute captured the new data that were developed for use in the aquatic portion of each subbasin plan. Resources available here include the spreadsheets, maps, GIS layers, subbasin planning modeling input and results, tools, and databases developed for subbasin planning. Included is a large majority of the EDT and QHA modeling information used in subbasin planning. Also provided here are GIS layers that define the EDT/QHA reach codes.

Before using the subbasin plan and archived data sets listed below, we recommend reviewing the README file for a summary of the data that are available, a description of the StreamNet Data Types, and a Watersheds Modeled Spreadsheet detailing the modeling products that are available for each subbasin.

Data Available on this Page

StreamNet data and other archived datasets:
Each subbasin spreadsheet contains 16 separate pages, including introductory explanations, data of many types, and a table of literature relevant to the subbasin. (These spreadsheets may take a long time to download over a modem.) Not all data types are available for every subbasin. For a quick overview of the types of StreamNet data available for each subbasin, download the data inventory by subbasin spreadsheet.

Products prepared by TOAST/CRITFC:
Data available for a subbasin can vary because planners were given a choice of models and not all used EDT or QHA. Also, some data were not available from the subbasin planning process when this archive was created. In addition to subbasin-specific products, TOAST/CRITFC also constructed databases of fish populations from the EDT information provided by Mobrand Biometrics, Inc.

Northwest Habitat Institute:
collected from subbasin planners wildlife data, upland habitat data, and GIS layers used to produce maps for the plans.

Electronic copies of the 2004 subbasin plans can be found here.
Electronic copies of the 1990 subbasin plans can be found here.

Subbasin Planning Data:

map of subbasins
Data are presented by subbasin (below). Select a subbasin from the subbasins map or from the list of subbasins. Materials provided to subbasin planners are found under "StreamNet_Info", while materials produced during or after subbasin planning are found under "SubPlanning_Info." In addition to the subbasin-specific data sets, several basin-wide datasets are also available:

Master spreadsheet created June 25, 2001 contains data for all subbasins combined.

Master spreadsheet - updated February 8, 2003 contains data for all subbasins combined.

Water temperature data This is a compilation of water temperature information from across the Columbia Basin and other parts of the Northwest. It is not complete in all areas, but may be of use.

Protected Areas These waters were protected from further hydropower development by the Northwest Power Planning Council.

Smolt Density Model. From 1995 publication of calculated smolt densities.

Tools for Viewing Subbasin Planning Data:

ArcExplorer Instructions and executables for installing this free software published by ESRI. ArcExplorer may be used to view the GIS data presented here for all Oregon subbasins.

Fish Model Tools Instructions and Microsoft Access database 'templates' that can be downloaded for viewing EDT Stream Reach Editor (SRE) data and reports, and TOAST's version of an unpopulated QHA spreadsheet tool.

Terraserver Instructions on how to use the TerraServer Map Service with GIS software to view USGS 1:24,000 quadrangle maps in combination with subbasin data.

Planning Data by Subbasin, Organized by Columbia Basin Province

Blue Mountain Province
Asotin Subbasin
Grande Ronde Subbasin
Imnaha Subbasin
Snake Hells Canyon Subbasin

Columbia Cascade Province
Columbia Upper Middle Subbasin
Entiat Subbasin
Lake Chelan Subbasin
Methow Subbasin
Okanogan Subbasin
Wenatchee Subbasin

Columbia Gorge Province
Big White Salmon Subbasin
Columbia Gorge Subbasin
Fifteenmile Subbasin
Hood Subbasin
Klickitat Subbasin
Little White Salmon Subbasin
Wind Subbasin

Columbia Plateau Province
Columbia Lower Middle Subbasin
Crab Subbasin
Deschutes Subbasin
John Day Subbasin
Palouse Subbasin
Snake Lower Subbasin
Tucannon Subbasin
Umatilla Subbasin
Walla Walla Subbasin
Yakima Subbasin

Columbia River Estuary Province
Columbia Estuary Subbasin
Elochoman Subbasin
Grays Subbasin

Intermountain Province
Coeur d'Alene Subbasin
Columbia Upper Subbasin
Lake Rufus Woods Subbasin
Pend Oreille Subbasin
San Poil Subbasin
Spokane Subbasin

Lower Columbia Province
Columbia Lower Subbasin
Cowlitz Subbasin
Kalama Subbasin
Lewis Subbasin
Sandy Subbasin
Washougal Subbasin
Willamette Subbasin

Middle Snake Province
Boise Subbasin
Bruneau Subbasin
Burnt Subbasin
Malheur Subbasin
Owyhee Subbasin
Payette Subbasin
Powder Subbasin
Snake Lower Middle Subbasin
Snake Upper Middle Subbasin
Weiser Subbasin

Mountain Columbia Province
Bitterroot Subbasin
Blackfoot Subbasin
Clark Fork Subbasin
Flathead Subbasin
Kootenai Subbasin

Mountain Snake Province
Clearwater Subbasin
Salmon Subbasin

Upper Snake Province
Snake Headwaters Subbasin
Snake Upper Subbasin
Snake Upper Closed Basin Subbasin