General Information
These web pages provide information about the location, construction date, pool elevation, and powerhouse capacity of the major federal and non-federal hydroelectric projects in the Columbia Basin. All information is courtesy of U.S. Army Corps of Engineers, NWD unless otherwise noted. The information and images are from the Army Corps of Engineers 1989 publication, "Columbia River and Tributaries Review Study: Project Data and Operating Limits" unless otherwise noted. USACE makes no warranties concerning the accuracy, reliability, or suitability of the data for any particular purpose. Pages include links to the owners/operators hydroelectric project web sites with visitor/tour information and further information. The map and these web pages cover only the major federal and non-federal dams in the region.

Projects List
Projects | River | Owner/Operator | Type |
---|---|---|---|
Bonneville Dam | Columbia River | USACE Portland District | Federal |
Chief Joseph Dam | Columbia River | USACE Seattle District | Federal |
Dworshak Dam | North Fork Clearwater River | USACE Walla Walla District | Federal |
Grand Coulee Dam | Columbia River | Bureau of Reclamation | Federal |
Ice Harbor Dam | Snake River | USACE Walla Walla District | Federal |
John Day Dam | Columbia River | USACE Portland District | Federal |
Little Goose Dam | Snake River | USACE Walla Walla District | Federal |
Lower Granite Dam | Snake River | USACE Walla Walla District | Federal |
Lower Monumental Dam | Snake River | USACE Walla Walla District | Federal |
McNary Dam | Columbia River | USACE Walla Walla District | Federal |
The Dalles Dam | Columbia Rver | USACE Portland District | Federal |
Brownlee Dam | Snake River | Idaho Power Company | Non-Federal |
Hells Canyon Dam | Snake River | Idaho Power Company | Non-Federal |
Oxbow Dam | Snake River | Idaho Power Company | Non-Federal |
Priest Rapids Dam | Columbia River | Grant County PUD | Non-Federal |
Rock Island Dam | Columbia River | Chelan County PUD | Non-Federal |
Rocky Reach Dam | Columbia River | Chelan County PUD | Non-Federal |
Wanapum Dam | Columbia River | Grant County PUD | Non-Federal |
Wells Dam | Columbia River | Douglas County PUD | Non-Federal |
Northwest Hydroelectric Information
- Chelan County PUD
- Dams and Projects, Pacific Northwest Region, USBR
- Digital Visual Library, USACE, includes images of Columbia River Projects for public use
- Douglas County PUD
- Federal Columbia River Power System (FCRPS) Hydro Projects, BPA, includes information for Willamette, Rogue, Yakima, Upper Snake, and Upper Columbia river basin projects
- Fish Management Office, USACE Northwestern Division, includes Columbia River Basin - Dams and Salmon and Columbia River Fish Mitigation
- Foundation for Water and Energy Education
- Northwest Hydro
- Nature of Water Power, Science Curriculum for Students
- Grant County Public Utility District
- Hydroelectric Design Center, USACE, provides information about hydroelectric and large pumping plant engineering services
- Hydropower Division NMFS Northwest Region
- Idaho Power
- Lower Snake River Juvenile Salmon Migration Feasibility Study, USACE
- Northwest Power and Conservation Council
- Power of the Columbia, BPA
- Power Program, Bureau of Reclamation -- includes fact sheets and powerplant information
- Reservoir Storage Diagrams, Pacific Northwest Region, USBR -- includes teacup diagrams
- Total Dissolved Gas Reports, USACE Water Management Division
- U.S. Army Corps of Engineers, Portland District
- U.S. Army Corps of Engineers, Seattle District
- U.S. Army Corps of Engineers, Walla Walla District
Additional Hydroelectric Power Information
- BC Hydro, British Columbia Hydro and Power Authority
- Youth & Education
- Transmission and Reservoir Data including Hydromet
- Federal Energy Regulatory Commission (FERC)
- Glossary, USBR -- includes dam terminology
- Hoover Dam, Bureau of Reclamation
- Hydrologic Engineering Center, USACE
- Hydropower Program, Idaho National Engineering and Environmental Laboratory
- National Inventory of Dams (NID)