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TREATY PROJECTS

Mica Dam and Kinbasket Lake
Project Statistics

Storage Project  
 
Construction began September 1965
 
Storage became fully operational 29 March 1973
 
Reservoir  
 
Normal full pool elevation 754.4 m (2,475 feet)
Normal minimum pool elevation 707.1 m (2,320 feet)
Surface area at full pool 42,930 hectares (106,000 acres)
Total storage capacity 24.7 km3 (20,000,000 acre-feet)
Usable storage capacity 14.8 km3 (12,000,000 acre-feet)
Treaty storage commitment 8.6 km3 (7,000,000 acre-feet)
 
Dam, Earthfill  
 
Crest Elevation 762.0 m (2,500 feet)
Length 792.5 m (2,600 feet)
Approximate height above foundation 244 m (800 feet)
Spillway - Maximum capacity 2,250 m3/sec (150,000 cfs)
Outlet works - Maximum capacity 1,060 m3/sec (37,400 cfs)
 
Power Facilities  
 
Designed ultimate installation  
6 units at 434 MW 2,604 MW
Currently installed  
4 units at 434 MW 1,736 MW
Power commercially available December 1976
Head at full pool 183 m (600 feet)
Maximum turbine discharge  
of 4 units at full pool 1,080 m3/sec (38,140 cfs)
Website Contact: U.S. Army Corps of Engineers Columbia Basin Water Management