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6th reservoir to ease drinking water supply

CHENNAI: In a move that could deliver cheer to Chennai’s suburbs, the state govt on Friday announced a reservoir to be constructed throughout Orathur, a tributary of Adyar river, with an annual storage capability of 1.3tmcft. With inter-basin transfer canal, it will increase water provide and help in flood mitigation near Orathur village in Sriperumbudur taluk. The suburbs bore the brunt of 2015 floods, when heavy rainfall and the discharge of water from Chembarambakkam reservoir led to huge waft of flood water into Adyar river.

Deputy leader minister and finance minister O Panneerselvam said in the meeting, “It is essential to soak up long run mitigation paintings in flood susceptible spaces to forestall flood harm in future.” Availability of fallow lands and viability to combine Orathur tank, Arambakkam tank and present decades-old anicut at Orathur, helps shape a new reservoir at Rs 60 crore. The public works division has deliberate a earthen dam with eight-metre top embankment with cut-off trench and revetment. An inter-basin transfer canal will probably be formed to Padappai and Manimangalam tanks via Ammanambakkam tank to preserve extra flood of 150mcft, and in the procedure doubling the storage capability of Manimangalam and Padappai tanks.

The new reservoir will reduce the stress at the suburbs of Chennai, particularly Pallavaram, Pammal and Anakaputhur which might be disadvantaged of consuming water, PWD sources said. “The proposed reservoir will probably be in a water unfold house of 763 acres of Arambakkam and Orathur tanks and fallow lands. It is proposed to keep the full reservoir level as 16.5m with foreshore bund and foreshore reclamation with keep watch over inlets to avoid flood of foreshore land,” a central authority authentic said. The storage capability of the reservoir will probably be greater by way of deepening it about 1.5m underneath the sill level of the prevailing anicut. The challenge involves land acquisition of 34.26 hectares, of which 8.66 hectares is being cultivated underneath the ayacut of Orathur, and the remaining are fallow lands located in the higher reaches of Orathur tributaries.

In a big thrust to water irrigation schemes, Kudimaramath, the traditional rehabilitation of irrigation tanks, will probably be taken up at Rs 300 crore in the next fiscal. A an identical means will probably be adopted for minor irrigation tanks of rural native our bodies underneath Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA), Panneerselvam said. The state govt additionally allotted Rs 235 crore for rehabilitation of tanks and anicuts, construction of take a look at dams, artificial recharge wells in water unfold house of tanks and growth of drainage-cum-irrigation channels in the Cauvery delta, the rice-bowl of the state. Athikadavu-Avinashi scheme to benefit western belt gets an allocation of Rs 1,000 crore in the next fiscal. With the enhance of NABARD, quite a lot of infrastructure tasks to reinforce water sources were deliberate at Rs 812 crore.

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