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Wednesday, August 17, 2022

Forcing the river

There are questions about Ken-Betwa project — some raised by SC committee. MP and UP governments must revisit report.

By: Editorial |
Updated: March 25, 2021 9:07:48 am
The Rs 37,600 crore scheme, that will transfer water from the Ken river to its fellow tributary of the Yamuna, the Betwa, is seen as a panacea to the water crisis in the Bundelkhand region.

On Monday, Uttar Pradesh and Madhya Pradesh buried a nearly 40-year-old hatchet to ink an agreement that paves the way for the implementation of independent India’s first major river-linking project. The Rs 37,600 crore scheme, that will transfer water from the Ken river to its fellow tributary of the Yamuna, the Betwa, is seen as a panacea to the water crisis in the Bundelkhand region. The Union Jal Shakti ministry claims that the initiative will provide irrigation to 10.6 lakh hectares, supply drinking water to more than 60 lakh people in the two states and generate 103 MW of hydropower. The river linking initiative’s EIA report predicts job opportunities in “construction, fishing and tourism”. On paper, these are good reasons to embark on the project. Two related questions, however, demand urgent answers: Is the idea of transferring the waters of one river to another backed by science? Can the scheme stand scrutiny of an ecologically sound cost-benefit analysis?

Linking one river to another is not just a matter of transferring water. It means tampering with the ecological functions a river performs when in flow — carrying minerals, nourishing the ecosystems en route, charging groundwater, promoting biodiversity and catering to the needs of people downstream. The Ken performs these functions the best when it’s flooded during the monsoons. But as hydrologists correctly point out, this does not mean that the river has water to spare. Moreover, during most parts of the dry season, the Ken is barely a rivulet. As late as 2016, the river had run dry even during the monsoon season. The annual average-based estimates of the Ken’s water behind the “surplus water” reasoning fail to reckon with such seasonal vagaries in the river’s flow that could aggravate because of climate change.

The first phase of the project will involve building a dam in Dhaudan in Panna district to channel water from the Ken to the Betwa. This will submerge large tracts of the Panna tiger reserve. According to government estimates, about 4,200 hectares of the reserve will be swept away by the project. This will upset the symbiotic relationship of the Ken with the forest, imperilling the water body — while the Ken nourishes biodiversity, roots and leaves of trees in the forests hold water and recharge the river’s aquifers. That is why in 2019, a report of the Supreme Court’s Central Empowered Committee questioned the project’s viability. It recommended that “alternatives to meet the objectives of the proposed project are examined by agencies with expertise in arid zone agriculture and water conservation”. The MP and UP governments would do well to revisit this report.

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First published on: 25-03-2021 at 03:05:34 am
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