Lewiston Dam (California)

Lewiston Dam is an earthfill dam on the Trinity River that forms Lewiston Lake near Weaverville, California, United States.^[2] The 91 ft (28 m) high earthfill dam is 7 mi (11 km) downstream of Trinity Dam and was built by the U.S. Bureau of Reclamation.^[2] Construction was completed in 1963.^[1] Lewiston Lake and Dam are part of the Central Valley Project, which harnesses the waters from the Sacramento River and San Joaquin River watersheds to irrigate the Central Valley, and provide hydroelectricity.^[2]

Lewiston Dam

Official name	Lewiston Dam^[1]
Location	Trinity County, California, United States^[1]
Coordinates	40°43′30″N 122°47′46″W / 40.72500°N 122.79611°W / 40.72500; -122.79611
Opening date	1963; 61 years ago (1963)^[1]
Operator(s)	US Bureau of Reclamation ^[2]
Dam and spillways
Impounds	Trinity River^[1]
Height	91 ft (28 m)^[2]
Length	745 ft (227 m)^[2]
Reservoir
Creates	Lewiston Lake
Total capacity	14,660 acre-feet (18,080 dam³)^[1]
Catchment area	718 sq mi (1,860 km²)^[2]
Surface area	759 acres (307 ha)^[1]
Power Station
Installed capacity	350 KW
Annual generation	3,335,000 KWh

References edit

^ ^a ^b ^c ^d ^e ^f ^g NPDP site 2011-07-16 at the Wayback Machine accessed 2008-01-10
^ ^a ^b ^c ^d ^e ^f ^g BoR site accessed 2008-01-10

U.S. Geological Survey Geographic Names Information System: Lewiston Dam (California)