Lakes rise, BMC reduces water supply cuts

Highest rise in water levels, of 6.37 metres, seen in the Middle Vaitarna dam.

| Mumbai | Published: July 31, 2014 4:47:04 am
An overflowing Tulsi lake a few days ago. An overflowing Tulsi lake a few days ago.

Owing to heavy rainfall in the catchment areas of Mumbai’s water-supplying lakes over the last three days, the Brihanmumbai Municipal Corporation (BMC) has reduced the 20 per cent water cuts imposed in the city by 10 per cent. The decision was taken after the Modak Sagar lake, which received more than 200 mm rainfall in a day, started overflowing on Wednesday.

While residential areas in the city have received a 10 per cent waiver on the duration of water supply, commercial areas still have to face a 50 per cent water supply cut owing to inadequate rainfall in June this year. The total usable content in the seven lakes – Modak Sagar, Tansa, Tulsi, Vehar, Upper Vaitarna, Bhatsa and Middle Vaitarna – increased to 6.8 lakh million litres on Wednesday, from 3.7 lakh million litres recorded on July 28. The current water stock will roughly last the city another 47 days.

“Though the levels are increasing, the city has only 41 per cent of the water supply needed. We have therefore reduced only the quantum of water supply cuts and will do a review in another 10 days on the water stock again,” said a senior civic official from the hydraulic department of the BMC.

The highest rise in water levels, of 6.37 metres, was seen in the Middle Vaitarna dam, which was commissioned for water supply to the city this year. The Bhatsa lake, which supplies 60 per cent water to the city, also recorded a significant rise of about 4.65 metres. The usable content in both the lakes currently stands at 82,342 lakh million litres and 285,501 lakh million litres respectively.

Since the catchment areas received less rainfall in the month of June, a 20 per cent water supply cut has been in force for all residential and commercial properties for the last one month. As the lakes did not receive enough rains in the first two weeks of July, the water cut was increased to 50 per cent for commercial users in the city.

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