Achieving a stunning statue of 260 meters, the forcing Tehri Dam is perhaps the tallest dam on the planet and the biggest dam in India. A building wonder in itself, Tehri Dam not just gives more than 1,000 MW of hydroelectricity yet additionally is a well-known vacation destination in Uttarakhand.
The dam supply, otherwise called Tehri Lake, is generally rushed with sightseers keen on sailing and is gradually turning into a conspicuous center for experience the travel industry in Uttarakhand.
Tehri Dam Technical Layout
Tehri Dam is about 260.5 meters (855 ft) high shake and earth-fill bank dam. Its length is 575 meters (1,886 ft), peak width 20 meters (66 ft), and base width 1,128 meters (3,701 ft). The dam makes a repository of 2.6 cubic kilometers (2,100,000 sections of land sq ft) with a surface territory of 52 square kilometers (20 sq mt).
The introduced hydro limit is 1,000 MW alongside an extra 1,000 MW of siphoned stockpiling hydroelectricity. The Tehri Dam and the Tehri Pumped Storage Hydroelectric Power Plant are a piece of the Tehri Dam Hydro control Complex which likewise incorporates the 400 MW Koteshwar Dam.
Related- The 10 largest dams in India
Planning and age despatch
The Scheduling and Despatch of the Tehri Dam Hydro Power plant is finished by Northern Regional Load Despatch Center which is the peak body to guarantee the coordinated task of the power framework lattice in the Northern locale and goes under Power System Operation Corporation Limited (POSOCO).
At present, THDC India Ltd. is producing around 3000 million Unit of vitality every year from this dam.
Three towns uprooted by Tehri dam at long last perceived as income towns
Following a multi-decade battle by those uprooted by the Tehri dam, the Uttarakhand Government has at long last perceived three towns as income towns. The three towns have been renamed as Tehri Bhagirathi Nagar, Ghonti Village, and Chhaam.
Post the acknowledgment, these towns will presently have land rights, fundamental civilities like power, water, wellbeing administrations, instructive establishments, banks, post workplaces just as fencing to shield crops from creatures.
NGT gets severe with UP, Uttarakhand Governments over Ramganga contamination
Worried over the ebb and flow water nature of the Ramganga stream, the National Green Tribunal has requested the Uttar Pradesh Pollution Control Board to advise further on the issue. Alongside this, experts have been requested to document a report on the present nature of the Ramganga before the following hearing date.
Per an appeal recorded, utilization of Ramganga water has indicated carcinogenic side effects in sea-going creatures, and the stretch among Moradabad and Bareilly is stacked with overwhelming metals.
West Bengal government report on arsenic sullying is terrible and ambiguous: NGT
The National Green Tribunal has hammered the West Bengal Government over the ‘terrible’ and ‘ambiguous’ itemizing of arsenic influenced zones in the State and its moderation plan. Observing arsenic sullying at Tegharia and Gaighata, the NGT has requested the State Pollution Control Board to gather tests from the locale and take up vital tests to learn the degree of tainting.
Alongside this, NGT has requested that the State make water gathering mandatory in its workplaces to lessen groundwater use.
Bombay HC shows worry about development in wetlands
Communicating worry over the pulverization of mangroves, the Bombay High Court has affirmed that the mangrove ought to be spared to abstain from flooding in Mumbai, else the city will go the Chennai way. The applicant who recorded the PIL offered reference to the master report which guaranteed that Chennai which at first had 5,000 hectares of wetlands involved by mangroves has been diminished to 500 hectares.
In any case, as indicated by the Government, experts have constantly made quick move against those making devastation mangroves.
- Tehri Dam Advantages
- 2400 megawatt power.
- Clean Drinking water to very nearly 40 lakhs of individuals living in Delhi.
- Clean Drinking water to very nearly 30 lakhs of individuals living in and around Uttar Pradesh.
- Less flooding in low lying regions of Uttar Pradesh, West Bengal, and Bihar.
- Business Generation for nearby individuals.
- 12% of the complete power created as sovereignty to Uttarakhand.
- Increment in Tourism part, Fish Irrigation Projects, and other Govt. Undertakings in Uttarakhand.
- Rs2400 crores benefit to the Central Government consistently.
- Land Irrigation water to very nearly 270,000 hectares to Uttarakhand, Uttar Pradesh, and New Delhi.
- Tehri Dam Issues
The Tehri Dam task has realized concerns about the ecological issues of finding an enormous dam in the sensitive environment of the Himalayan lower regions.
There are developing concerns in regards to the dam’s steadiness. Tehri dam is found 7.5kms over the Central Himalayan Seismic Gap, which is a noteworthy geologic flaw zone.
This area was the site of a 6.8 size tremor in October 1991, with a focal point 5 km from the area of the dam. Working of the dam will put further weight on the seismic hole and in this way builds the odds of a quake.
The Tehri dam is intended to withstand a quake of 8.4 sizes, however, a few seismologists state that tremors with a size of 8.5 or more could happen in this area.
This could bring about a dam-break and the rising waters from the dam could submerge various towns coming in the manner. Tehri dam has been in the dynamic challenges by natural associations and nearby individuals of the district.