Rocky Reach Dam - Hydroelectric Project Information

Rocky Reach Dam

General Information

Dam:
Rocky Reach Dam. Columbia River. River Mile 473.7
Constructed:
1961 (units 1-4); additional units completed 1971
Owner:
Chelan County PUD No. 1
Normal Full Pool:
707.0 feet
Normal Low Pool:
703.0 feet
Powerhouse Capacity:
Nameplate capacity 1: 7 @ 117 MW, 4 @ 132 MW, 1347 MW total
Peak capacity 1: 1287 MW total
Hydraulic capacity: 220 kcfs
Spillway:
12 gates

1 Information from Chelan County PUD.

Additional 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.

Columbia Basin Research provides these web pages for informational purposes only. Columbia Basin Research is not affiliated with any hydroelectric project. Please contact the Owner/Operator for questions about operations, tours, and any other matter.
Thank you.