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There is lack of mechanism to store excess water in the State

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Desilt all water bodies and construct check dams across major rivers: PWD engineers

Expressing concern over lack of sufficient mechanism to store excess water, the Tamil Nadu PWD Senior Engineers Association said that about 200 tmc of more water could be stored in the State if proper steps were taken to desilt all water bodies and construct check dams across major rivers.

Speaking to reporters after participating in the Water Resources Awareness seminar organised by the Tamil Nadu PWD Senior Engineers Association here on Sunday, its State secretary A. Veerappan said that though the association had been raising the demand for more than 15 years successive governments had failed to take necessary steps. About 150 tmc of more water could be stored if desilting and deepening of existing tanks, lakes and dams were taken up properly. Similarly, about 50 tmc of water could be stored if 500 more check dams were constructed across major rivers in different places. But, the demand has not been given sufficient attention.

Referring to the recent flood along the river course of Thenpennaiyaru after the KRS dam reached its full capacity, Mr. Veerappan, former Special Chief Engineer, PWD, said that the authorities had no options but to discharge the excess water. About 20 tmc of water had reportedly gone to sea. If additional check dams were in place along the water course from Krishnagiri to Cuddalore, the excess water could have been stored. Hence, check dams should be constructed across major rivers such as Palaru, Thenpennai, Kollidam, Korattalaiyaru, Vaigai, Thamiraparani and others.

Similarly, he said that steps must be taken to divert excess flood water from the Mettur dam to Sarabanga-Thirumanimutharu-Ayyaru so as to fill up connected lakes and ‘kanmois’. Check dams must be constructed across the Ayyaru in Kolli hills and Palaru.

M. P. Durairaj, president, Tiruchi branch, said under no circumstances sewage water should be let into rivers and channels. If the practice was allowed, the rivers and channels would be ultimately used as carriers of sewage and domestic waste.


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