Four hydro projects violate Ganga flow norms: Central Water Commission
4 years, 11 months ago

Four hydro projects violate Ganga flow norms: Central Water Commission

The Hindu  

Over a year after the government made it mandatory for hydro power projects on the upper reaches of the river Ganga’s tributaries to release minimum quantities of water through the year, 4 of the 11 projects are flouting norms, says a report by the Central Water Commission. The ecological flow, or e-flow notification as it is called, specifies that the upper stretches of the Ganga — from its origins in the glaciers and until Haridwar — would have to maintain: 20% of the monthly average flow of the preceding 10-days between November and March, which is the dry season; 25% of the average during the ‘lean season’ of October, April and May; and 30% of monthly average during the monsoon months of June-September. The Centre’s e-flow notification came into effect last October and gave companies three years to modify their design plans, if required, to ensure that a minimum amount of water flowed during all seasons. This was after the CWC undertook field visits to hydro power sites and reported that most of the power projects could begin implementing the norms right away and didn’t need three years.

History of this topic

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