The civic administration does not know just how to dispose of the sludge resulting from the treatment of sewage water for non-potable purposes.
The already delayed Mumbai Sewage Disposal Project may be even further delayed as the Brihanmumbai Municipal Corporation (BMC) is up against a rather peculiar problem. The civic administration does not know just how to dispose of the sludge resulting from the treatment of sewage water for non-potable purposes.
The BMC is all set to launch the Rs5,000 crore Mumbai sewage disposal project (MSDP) II. The project has already been delayed for more than two years as the BMC was seeking the Centre’s help. Last year, the Centre finally gave the project sanction under the Jawaharlal Nehru National Urban Renewal Mission (JNNURM). However, the BMC is now planning to treat the sewage and procure 1,000 million litres of water daily for non-potable purposes.
The civic body has started preliminary work for the project that requires augmentation of the sewage network from Vile Parle to Dahisar.
While treating the sewage water, 1,500 metric tonne of sludge will be generated from the 2,300 million litres of water daily.
“It is just like garbage that we have to dump, but there is no place to dump it in. Over 1,500 metric tonne of sludge daily are very difficult to dispose of. We were all set to launch the sewage disposal project, but due to this unforeseen difficulty it may be further delayed,” said a senior official from the sewage department.
As the MSDP II project is complete, the BMC will be able to treat about 2,300 million litres of sewage water, of which 1,000 million litres can be used for non-potable purposes like washing cars, gardening, etc.
Mumbai is facing an acute shortage of water due to poor rainfall last year. But as the city’s population is increasing, the demand for water keeps increasing. “Under the MSDP II, we will treat sewage water and make it as pure as natural water”, said a sewage department official.
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