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“The dams cause an excess of silt deposits upstream, leading to algal growth that changes the character of the water,” he says.
People who live around the confluence of the river with the sea, at Ganga Sagar in West Bengal where the holy river empties into the Bay of Bengal, are extremely concerned about the situation.
“The Ganga Sagar islands, which are already threatened by climate change, are now more vulnerable than ever because there is no longer enough silt in the waters to buttress the landmass,” Singh tells IPS.
He says construction of the Tehri Dam for a hydel project in the Bhagirathi river, one of the Ganga’s two headstreams, has almost killed the river.
“Even the river Alaknanda (the Ganga’s source stream) could (suffer) as a result,” says Singh.
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