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Varthur STP to be ready in March

Sewage Treatment Plant for Varthur at Bellandur


By Priyanka Sarkar
Bangalore, Sept 20: The Sewage Treatment Plant (STP) for Varthur lake will be ready by March 2017. A major part of the project is completed, with only about 15 per cent work needs to be done, said officials at the Bangalore Water Supply and Sewerage Board (BWSSB).


Mr. Rajeev, Executive Engineer, Bangalore Water Supply and Sewerage Board (BWSSB) said “A contract was given to VA Tech Wabag, a water treatment company, on February 2014. It is worth Rs 248 Crores. Rs 44 Crores is to be funded for the operations and maintenance for a period of seven years and the rest would be used for the set up. The construction is in progress,”.

Presently, the Sewage Treatment Plant (STP) in  Koramangala and Challaghatta Valley which processes 248 million litres of water is used for the purification of Varthur and Bellandur lakes. But there has been no significant reduction in the foam formation of the lake. BWSSB commissioned this new 90 MLD treatment plant for the Bellandur and Varthur Lakes two years ago. Apartment complexes in Varthur have installed individual Sewage Treatment Plants. However these plants are not effective, Mr. Rajeev said.

TV Ramachandra, Scientist at Centre of Ecological Sciences, Energy and Wetlands Research Group, Indian Institute of Science (IISC) said the pollution rate of the lake is 99%. In a sample, IISC found traces of nitrate, potassium, sulphate and many harmful chemical compounds. According to the reports, the nitrates come from household domestic waste and urea, the potassium and the sulphates are sourced by the detergent agents. Further, these agents cause skin irritation.


Dr. Ajai Pradhan, Dean, BGS School of Architecture and Planning said, “There should be stringent norms to stop the use of these water bodies. These water bodies are now made a public property, forgetting our ecosystem. There are 286 urban local bodies, which depend on this source of water in Bangalore. Earlier, there were 128 water bodies in Varthur-Bellandur stretch, today there are only four.”


At least 10 cases of skin diseases are reported every month due to the increasing toxicity in  Varthur Lake foam. The cases are even higher during the monsoon, said Dr. Umar Ali, Mediline Clinical Laboratory. “There are a lot of people around the lake who have had these skin irritation because of the froth, we had to visit a nearby doctor for this,” said MS Reddy, a local worker.

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