Coquitlam Dam is a hydraulic fill embankment dam on the Coquitlam River in the city of Coquitlam , British Columbia . Although it has no powerhouse of its own, its waters divert to Buntzen Lake , making it part of BC Hydro's electrical generation infrastructure. It is also one of the main reservoirs for the Greater Vancouver Water District. BC Hydro has released a new document in March 2018 that addresses emergency preparedness and outlines the areas effected should the dam fail as a result of an extreme earthquake event.
5-462: The first Coquitlam Dam, built to raise the water level of Coquitlam Lake by five feet, was begun in April 1904, and completed in 1905. It was built to protect the water supply to powerhouses on Indian Arm , via a tunnel to Buntzen Lake , and also supplied water to New Westminster . By 1906 the original dam was discovered to be leaking, and while repairs were made the leak continued through 1908, until
10-403: A second dam was completed in 1914. At the time of the tunnel's completion, it was the longest power diversion tunnel in the world. Due to seismic concerns, an embankment dam was built on the downstream side of the original rockfill dam in 2008. The Port Moody-Coquitlam Railway , no longer operating, was built to assist with the dam's construction. This Metro Vancouver location article
15-513: Is a stub . You can help Misplaced Pages by expanding it . This article about a dam or floodgate is a stub . You can help Misplaced Pages by expanding it . Coquitlam Lake Coquitlam Lake is a reservoir located just north of Coquitlam , British Columbia . It is one of the three main water sources for Metro Vancouver , and part of the Coquitlam watershed . It is also a part of BC Hydro 's power generation system. A tunnel directs water from
20-409: The lake to nearby Buntzen Lake , and from there to a pair of power stations. Construction of the tunnel between Coquitlam Lake and Buntzen Lake began in 1902 and finished in 1905, supplying water to powerhouses on Indian Arm , which supplied electricity to Vancouver. The first Coquitlam Dam , built to raise the water level by 5 feet (1.52 m), was begun in April 1904 and completed in 1905. It
25-468: Was built to protect the water supply to the powerhouses, and also supplied water to New Westminster . By 1906 the original dam was discovered to be leaking, and while repairs were made the leak continued through 1908, until the current dam was completed in 1914. There is a glacier in the watershed of the reservoir, Coquitlam Glacier, which is the only glacier in Metro Vancouver. It formed during
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