Lajoie Dam
Encyclopedia
Lajoie Dam is the uppermost of the storage dam
Reservoir
A reservoir , artificial lake or dam is used to store water.Reservoirs may be created in river valleys by the construction of a dam or may be built by excavation in the ground or by conventional construction techniques such as brickwork or cast concrete.The term reservoir may also be used to...

s of the Bridge River Power Project
Bridge River Power Project
The Bridge River Power Project is a hydroelectric power development in the Canadian province of British Columbia, located in the Lillooet Country between Whistler and Lillooet...

, which is located in the southwestern Interior of British Columbia
British Columbia Interior
The British Columbia Interior or BC Interior or Interior of British Columbia, usually referred to only as the Interior, is one of the three main regions of the Canadian province of British Columbia, the other two being the Lower Mainland, which comprises the overlapping areas of Greater Vancouver...

. It is located just west of the small semi-ghost town
Ghost town
A ghost town is an abandoned town or city. A town often becomes a ghost town because the economic activity that supported it has failed, or due to natural or human-caused disasters such as floods, government actions, uncontrolled lawlessness, war, or nuclear disasters...

 of Gold Bridge
Gold Bridge, British Columbia
Gold Bridge is an unincorporated community in the Bridge River Country of British Columbia, Canada. Although numbering only around 250 inhabitants, Gold Bridge is the service and supply centre for the upper basin of the Bridge River Valley, which includes recreation-residential areas at the Gun...

. An earthfill structure
Embankment dam
An embankment dam is a massive artificial water barrier. It is typically created by the emplacement and compaction of a complex semi-plastic mound of various compositions of soil, sand, clay and/or rock. It has a semi-permanent waterproof natural covering for its surface, and a dense, waterproof...

, it is 87 m (287 ft) and impounds c. 570000 acre.ft of water in Downton Lake Reservoir. The Lajoie Powerhouse generates 22 MW with an average generating capacity of 170 GWh/year. A few miles downstream is Carpenter Lake, which is formed by Terzaghi Dam
Terzaghi Dam
Terzaghi Dam, located about 100 km NE of the resort of Whistler, British Columbia in western Canada, is the key diversion dam in the Bridge River Power Project. It forms the project's largest reservoir, Carpenter Lake west of Lillooet...

, the largest of the Bridge River Power Project
Bridge River Power Project
The Bridge River Power Project is a hydroelectric power development in the Canadian province of British Columbia, located in the Lillooet Country between Whistler and Lillooet...

's structures.

Downton Reservoir is named for Geoffrey M. Downton, a pioneer
American pioneer
American pioneers are any of the people in American history who migrated west to join in settling and developing new areas. The term especially refers to those who were going to settle any territory which had previously not been settled or developed by European or American society, although the...

 surveyor
Surveying
See Also: Public Land Survey SystemSurveying or land surveying is the technique, profession, and science of accurately determining the terrestrial or three-dimensional position of points and the distances and angles between them...

 who was the first to recognize the hydroelectric potential
Hydroelectricity
Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy...

 in the drop in elevation between the Bridge
Bridge River
The Bridge River is, or was, a major tributary of British Columbia's Fraser River, entering that stream about six miles upstream from the town of Lillooet.-Name:Its name in the Lillooet language is Xwisten , sometimes spelled Nxwisten or Nxo-isten)...

 and Seton
Seton Lake
Seton Lake is a freshwater fjord draining east via the Seton River into the Fraser River at the town of Lillooet, British Columbia, about 22 km long and 243 m in elevation and 26.2 square kilometres in area...

 river systems. Lajoie Dam and Powerhouse are atop the site of Lajoie Falls, which was named after Lazack Lajoie, a local "mountain man
Mountain man
Mountain men were trappers and explorers who roamed the North American Rocky Mountains from about 1810 through the 1880s where they were instrumental in opening up the various Emigrant Trails allowing Americans in the east to settle the new territories of the far west by organized wagon trains...

" and entrepreneur
Entrepreneur
An entrepreneur is an owner or manager of a business enterprise who makes money through risk and initiative.The term was originally a loanword from French and was first defined by the Irish-French economist Richard Cantillon. Entrepreneur in English is a term applied to a person who is willing to...

-huckster
Huckster
A huckster is a seller of small articles, who tricks others into buying cheap imitation products and then bargains them as if they were the real thing...

who promoted a townsite and mining complex around Gun Lake which never came to fruition.

External links

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