Dams

Forget ILR pipedream, let us pray for smaller places of worship

Consider some basic facts: A specialized agency, National Water Development Agency (NWDA), was set up four decades ago to work only on Inter Linking of Rivers (ILR) projects, but even first project of the grand ILR plan is yet to take off to implementation as envisaged in ILR plan. In fact, NWDA is not confident of putting any of the thousands of reports produced by it in public domain, it knows they won’t stand to public scrutiny.

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Dams · DRP News Bulletin

DRP NB 22 Feb 2021: Case against NTPC for criminal negligence in Tapovan Project?

(Feature image: NDRF personnel carry out rescue and restoration work at damaged Tapovan Vishnugad barrage after the massive flash flood. PTI/Arun Sharma)

Consider these facts: The NTPC, the project developer, failed to appraise that the 520 MW Tapovan Vishnugad Hydropower project, where maximum damage and deaths occurred in Chamoli Avalanche disaster that started on Feb 7, 2021 morning, is in Paraglacial influence zone. Such an appraisal would have meant a number of implications, including possibly a decision that the project is geologically unviable.

NTPC failed to take any action to save the workers even after it was known upto 10-20 minutes before the disaster struck. Something that Mangshri Devi could do to save about 25 lives, NTPC could not do.

The project had faced several disasters since 2008, but fails to put in early warning system in place. For several days post disaster, reports say that NTPC failed to share even the detailed map of the tunnel where over 30 workers were stuck. NTPC’s disaster management system showed no signs of existence throughout the disaster. Reports say that the barrage gates were closed, which if they were open, it may have helped the flow of the flood debris downstream, which in turn could have possibly meant more time and saving of more lives.

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Bridges · Dams · Urban Rivers

Bridges of Pune and the People who Stop and See

Several bridges, old and new crisscross over the rivers Mula and Mutha in Pune. Some of them are old and stately like the Lakdi Pul built over 250 years ago or the beautiful Shivaji Pul, while there are low ones like the Baba Bhide Bridge, which routinely gets submerged in the monsoons.

I try to walk across these bridges on most evenings.

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Dams

Gangetic dolphin deaths in 2020

More than a decade after Gangetic dolphins (platanista gangetica) was granted the status of national aquatic animal, the rare mammal species continue to face multiple threats impacting their habitat and population in Ganga rivers. Just in past one year, the year when the Prime Minister of India declared the Project Dolphin, six dolphins were found dead for unnatural reasons in three states along the Ganga. In addition to Gangetic, river dolphin were killed in three other states.

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Dams

Why are we still building Large Dams?

Analysis of official information shows that Big dams are not longer necessary or viable or optimal in India. Most (over 95% of India’s 5701 large dams (5264 completed and 437 under construction as per CWC’s National Register of Large Dams[i]) are built for irrigation, but most of our irrigation now comes from groundwater. In fact, about 90% of additional irrigation in last four decades has come from groundwater.

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Dams · Fish, Fisheries, Fisherfolk

Dammed Fisheries of India

Far out in the estuary of Aghanashini, as Ismail Bhai spread out Indian Mackerel for drying, a carpet of silver spread out before us. “We fish in the river but the Bangde we catch in the sea also have their links to Aghanashini. We owe her everything”. Estuary of the modest, free-flowing Aghanashini supports around 5000 fisherolk. In the neighboring dammed Sharavathi, fish diversity plummets, so do dependent livelihoods. But rivers like Aghanashini are a rarity now.

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Arunachal Pradesh · brahmaputra · China · Dams · Hydropower

Why is India not demanding TEIA for the Great Bend Hydro proposal of China?

While one can never be too sure what is the exact meaning of Chinese whispers, a thoughtful response has to take into account the available facts and the context. This report tries to take stock of available facts and context of this latest episode that started at the end of November 2020 and is still going on: China’s proposed massive hydropower project on the Great Bend of Yarlung Tsangpo River just before the river enters India as Siang, a tributary of Brahmaputra river. It also reviews the key media reports published on this issue.

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Cloud Burst · Dams

Cloud Bursts in Indian Himalayan Region in Pre-monsoon & Monsoon 2020

The Indian Himalayan region has been facing increased cloud burst incidents for past many years. These events are followed by flash floods, landslides causing widespread damages to human lives and properties. However the forecasting, monitoring and management efforts are lagging far behind. This state wise overview attempts to understand the trend and resultant losses from such incidents during the pre-monsoon (Apr-May) southwest monsoon season (June-Sept) 2020.

SANDRP has been highlighting the issue since 2018. The details of these can be seen by exploring the hyperlink of Uttarakhand in 2018 and 2019, Himachal Pradesh 2019, Jammu and Kashmir and North East 2019.

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Dams · DRP News Bulletin

DRP NB 14 Sep 2020: How should we define a Normal Monsoon?

IMD is happy to declare a monsoon as normal as long as total quantum of rainfall at national scale is within 4% of what is defined as normal monsoon rainfall during June 1 to Sept 30. Even if this means there is spatially or temporally or both spatially & temporally, the total rainfall or its distribution is abnormal in large parts of the country. It was good to see a national newspaper, asking question if the monsoon is normal even though it’s not temporally normal as was the case in large parts of the country this year.

The IMD normal only assures meteorological normal of national monsoon rainfall within given period. It does not assure hydrologic normal nationally or in different parts of the country, nor agricultural normal rainfall nationally or in different parts: sub divisions, states, river basins, districts, talukas/ tehsils or villages and wards. We clearly need much more realistic and nuanced definition of even meteorological Normal monsoon rainfall, which IMD needs to work on. But as far hydrological or agricultural normal rainfall is concerned, both temporally and spatially, those concerned outside IMD will need to work on.

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