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“Ganga river: Tehri Dam”

“Ganga river: Tehri Dam.”

Tehri Dam

The most controversial Tehri dam is the main dam of the Tehri Hydro Project on the rivers Bhagirathi (one of the major tributary of the river Ganga) located near Tehri in Uttarakhand. It is a multi purpose river valley project, towering 855 feet (261 m). The main dam at Tehri is the 8th tallest dam in the world. The dams projected capabilities include a power generation capacity of 2400 MW, irrigation stabilization to an area of 6,000 km², an additional area of 2,700 km² of irrigation stabilization and a supply of 270 million gallons (1.23 million cubic metres) of drinking water  to industrialized cities in Delhi, Uttar Pradesh and Uttarakhand. The dam project was approved in 1972 and construction was started in 1978. The dam is  operational since July 2006.  Until March 2008, a sum of Rs 8,298 crore had been spent on the dam, far outweighing the initial planned costs. Its projected power generating capacity was 2,400 MW. Currently, it is generating only 1,000 MW, less than half its capacity.
According to Hindu mythology, river Bhagirathi is the actual Ganga, though the name of Ganga is assumed only after the river Bhagirathi meets river Alaknanda at Devprayag. Cutting off the water supply of Bhagirathi to such low quantity means that after travelling more than 80 km from this point, water of Bhagirathi will be hardly reaching Ganga. It is predicted that after 20 years  the mighty Ganga will be reduced to a trickle and cease to exist for the 150 million people in this region.  The Tehri dam is located in the Central Himalayan Seismic Gap, a major geologic fault zone. This region was the site of a magnitude 6.8 earthquake in October 1991, epicenter 50 km from the location of the dam.

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Genre: Hydropower Dams & Water Diversions Articles, Tehri Articles
Subjects: Hydropower Dams & Water Diversions, Tehri