Eco-restoration of water bodies
The restoration and conservation of the lakes aims at achieving the desired water quality besides improving the biodiversity conservation and preserving the ecosystem through activities like de-silting, diversion of sewage entering into lakes, deepening of ponds, construction of retaining walls, tree planting etc.
The Department of Environment has undertaken various eco-restoration activities through EMAT and with concerned line departments. The following are focused during the current year.
- The Phase-I activities for rehabilitation and restoration of Madhavaram (Rettai Eri), Ambattur and Korattur wetland complex in Thiruvallur district is completed at a cost of Rs. 20.00 crores during 2014 - 15. Under Phase-II, a sum of Rs.26.00 crores is allotted for 2015-2016 and 2016-2017 and the eco-restoration works are completed. During 2018-2019, under Phase-II a sum of Rs.13.18 crores is allotted to continue the eco-restoration activities and will be completed during the current year.
- During 2016-2017, eco-restoration of Paruthipattu Lake in Avadi in Thiruvallur district was taken up at a cost of Rs.28.16 crores by the Public Works Department and the works towards the first installment, Rs.7.16 crores during 2016-17 and Rs.21.00 crores towards second installment during 2017-18 were completed.
- The Government issued order for the Eco-restoration of five tanks during the year 2018-19 from the financial assistance of State Environment Impact Assessment Authority (SEIAA) at a cost of Rs.12.84 crores and the work are carried out by the Concerned agencies viz., Commissioner of Municipal Administration, Chennai, for Nallathaneer kulam, Thiruthani Municipality, Tiruvallur District at a cost of Rs.1.50 crore, District Collector, Namakkal for Vennandur Eri at Venandur at a cost of Rs.3.50 crores, District Collector, Erode for Andikulam Eri, Senguttai Eri and Karadipatti Eri at a cost of Rs.3.34 crores, Rs.2.28 crores and Rs.2.15 crores respectively. All the works are under progress.