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Chennai to get around 10 tmc ft under proposed Godavari-Cauvery link project

Under the proposed Godavari-cauvery link project, Chennai has received around 1 billion cubic feet (tmc ft) of water for drinking water and industrial needs.

This amount forms part of the state’s overall allocation of 41 tmc ft. The Ketanadi River Linkage Plan) has been discussed and it has been proposed to divert 148 tmc feet of water from the Godavari river first. (The Manimuktanadi river is a tributary of the Velar river and flows south of the Cauvery-Katale barrage.)

Out of the total 41 tmc ft, the amount will be distributed based on different requirements, of which 17.2 tmc ft – irrigation; 21.8 tmc ft – drinking water and industrial water and balance of losses. According to a perusal of the Water Resources Ministry’s policy note 2024-25, concerned minister Duraimurugan submitted that out of the earmarked 21.8 tmc feet, nearly half (10.1 tmc feet) has been reserved for Chennai to convene the Assembly on Friday.

The diversion point to Chennai of the proposed link project will be located near Nagari on the inter-state border, upstream of the zero point of the Kandaleru-Pondy canal. one official noted.

On June 11, the Tamil Nadu government sent its response to the NWDA on the draft memorandum of agreement for the implementation of the Godavari (Inchampalli Barrage)-Cauvery linkage plan.

The state has been able to get the agency to change the route of a proposed connection to the canal. Earlier, it had expressed support for the project at a special committee meeting on river interconnection in December 2023 and urged the Center to gain consensus from various state parties for early implementation of the project.

The canal no longer terminates at the Great Anikat River but will reach the Manimuktanadi River after reaching a higher contour and crossing the Palar-Dusima Mandur tank. However, another official said the government supports keeping the canal as close as possible to the Katale barrage. Ideally it would like the barrage or the Aiyar River (upper Katale) to be the terminus. This will also benefit arid areas like Perambalur and Karur.

The government has also been pressuring the Center to finally provide 200 tmc feet of water during the diversion of the Godavari-Cauvery Canal Phase-II and III from the Brahmaputra-Mahanadi Canal.



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