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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. [ 2 ] 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.
The resulting increase in the water supply made it possible to fill four cisterns, ranging in size from 25,000 to 60,000 imperial gallons (114,000 to 276,000 L) to provide a reserve of water for fire protection. [6] Coe and Martin formed the Spring Ridge Water Works Company in 1864, serving the city until 1875.
British Columbia lakes larger than 400 km 2 (150 sq mi) ; Lake Area (including islands) Altitude Max. depth Volume Williston Lake [1]: 1,761 km 2 (680 sq mi) : 671 m (2,201 ft)
The Hastings Mill, on the south side of the Inlet and running more than 20 hours a day, needed a lot of water, so built a flume, which occasionally collapsed, to carry it from Trout Lake. (Residents along that flume line frequently tapped it, with the mill's permission, for their own needs.)
Waterfall Image Discharge Location Coordinates m 3 /s ft 3 /s ; Rearguard Falls: 171 6,000: Rearguard Falls Provincial Park: Baileys Chute: 122 4,300: Wells Gray Provincial Park
The development of Sooke Lake as a reservoir was approved in 1910, and construction began in 1912. A concrete dam was constructed and raised the water level 3.7 metres (12 ft). Water was transported to the city of Victoria via the Sooke Flowline, a 44 kilometres (27 mi) concrete aqueduct. The project was completed in 1915.
In 1887, the Capilano River was selected as the source of water supply for the City of Vancouver.An intake pipe was constructed 11 kilometres (6.8 mi) upstream of the mouth of the river, and a pipeline carried this water across the First Narrows of Burrard Inlet and into the City of Vancouver.
The region experiences very hot, dry summers which results in July and early August water temperatures averaging in the 23 °C (73.4 Degrees Fahrenheit) range. Divers will experience thermoclines beginning at a depth of approximately 10 feet in the summer. The lake is renowned as the warmest tree-lined lake in British Columbia.