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City produces most sewage in country,says study

Delhi produces 3,800 million litres of sewage every day — the highest among 35 of the country’s big cities.

Written by Neha Sinha | New Delhi |
January 11, 2010 3:59:49 am

Delhi produces 3,800 million litres of sewage every day — the highest among 35 of the country’s big cities. And if that wasn’t startling enough,Delhi also spews 40 per cent of this waste into the Yamuna daily — that’s as much as 1,520 million litres.

Putting into figures what were only estimates till now,a new comprehensive study by the Central Pollution Control Board (CPCB) on sewage treatment finds the Capital to be the highest among other Metros like Kolkata,Mumbai or Chennai. While Delhi treats 60 per cent of its sewage-waste — a higher average than the other cities — the Capital is also dumping into the Yamuna sewage that falls slightly less than the entire state of Andhra Pradesh (1,700 MLD).

While the city continues to grow,sewage disposal systems are inadequate. In the city,183 villages and 1,400 unauthorised colonies do not have sewage systems. The villages are currently disposing their sewage in inland lakes and water bodies.

“The biggest problem is that that water channels have been illegally connected to the sewage disposal lines,” Chief Secretary Rakesh Mehta says. “The new sewage interceptor channel has to address this if we have to clean the Yamuna.”

Things are,however,set to change within the next two years,the government says. Work has started on sewage treatment plants for the villages. “We are already working on creating disposal systems in villages and reviving the water bodies. The interceptor sewer project will treat sewage before it enters the Yamuna. This will start in two months. In two years,we will complete work for the villages,” Mehta says.

According to environmentalist V K Jain,who had petitioned the High Court for reviving water bodies in Delhi,the work is already behind schedule. “As per reports submitted to the High Court,work on the sewage system should have been completed in 2009. The government is behind schedule. Meanwhile,we are continuing to pollute the city’s water bodies.”

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