September 1, 2012 2:20:15 am
Heavy rainfall in catchment areas of lakes supplying water to Mumbais has led to collection of water for at least 10 days supply. According to data from Brihanmumbai Municipal Corporation water supply department,total useful water content of the lakes,as recorded on August 31 has risen to 10.1 lakh million litres from Thursdays storage of 9.7 lakh million litres,an addition of 37,206 million litres.
With a water cut in force,BMC supplies 3,228 million litres a day,against the 4,200 mld demand.
At the BMC standing committee meeting on Wednesday,officials said the final call on the need to undertake cloud seeding will be decided after permission from the Centre. The India Meteorological Department had predicted that the monsoon withdrawal would be late this season. Additional Municipal Commissioner Aseem Gupta is in Delhi to obtain permission for the costly exercise.
The civic administation has also said the 10 per cent water cut will continue until September 15,after which it will reconsider it depending on lake levels.
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While Modak Sagar,Tansa and the Middle Vaitarna catchment areas have reached full capacity,Vihar,Tulsi,Upper Vaitarna and Bhatsa are still lagging behind.
Bhatsa,that accounts for 59 per cent of the citys water supply,has useful water content of 5.2 lakh million litres. At 134.63 metre level it has yet to reach its capacity of 142.07 metres,and at present has the lowest level among the four lakes.
Water level in Upper Vaitarna dam has risen to 600.80 metre,a few meters short of its 603.51 metre capacity. Modak Sagar lake supplies 29 per cent of the citys water needs. On August 8,Modak Sagar overflowed after reaching its capacity of 163.14 metre and since then,water collected in the dam has been diverted to other lakes,said a senior official of the water supply department.
On August 31 in 2010 the total water in the four lakes was 11.1 lakh million litres and in 2011,it was 12.02 lakh million litres.
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