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Tamil Nadu: Work begins to dredge Ennore creek backwaters of fly ash by K.Lakshmi August 04,2020   |  Source: The Hindu

The Water Resources Department has started work to dredge the backwaters of Ennore creek, earlier this month, and mitigate pollution. Layers of fly ash sediments deposited in the backwaters are being removed over the last fortnight. The department is engaged in clearing the fly ash deposits from the 2.5-km stretch between North Chennai Thermal Power Station (NCTPS) and Kamarajar port. The stretch is silted with fly ash for a depth of nearly one metre.

The Ennore creek and its backwaters, the confluence point of Kosasthalaiyar river, North Buckingham canal and the sea, have been destroyed with hot water discharge and leakage of fly ash slurry, for nearly two decades now. A pipeline from NCTPS carrying fly ash along the creek added layers of silt. The long-pending work has now been taken up with the Tamil Nadu Generation and Distribution Corporation (Tangedco) depositing Rs.28.5 crore based on a directive of National Green Tribunal, southern bench, to remove fly ash. Though the tender process was completed in March, work was delayed due to the lock down. Officials of the WRD said nearly 4.30 lakh cubic metre of fly ash deposits was estimated to be cleared from the Ennore creek backwaters and North Buckingham canal.

“We have so far removed nearly 40,000 cubic metre of fly



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