The norm of 5,000 MPN/100 ml of water is the quality prescribed for 'C' category of water, which is fit for drinking after treatment. But, on January 7, 2014, the total coliform in Yamuna water at Nizamuddin was 54000000 (5.4 crore) and at Kalindi Kunj it was 160000000 (16 crore). But, at Palla the river water is relatively clean. On January 7 last year the total coliform detected at Palla was 43,000.
After 21 years of intense monitoring of government efforts by the Supreme Court to clean the Yamuna, the CPCB, through advocate Vijay Panjwani, submitted to the court a detailed report on the state of pollution of river water at Palla, Nizamuddin, Kalindi Kunj, Okhla and Madanpur Khadar in the 22-km stretch it flows through Delhi.
Despite the SC monitoring, Delhi appeared to be the biggest culprit in polluting the river. The water quality of Yamuna at Palla when it enters Delhi met the standard of "A" grade water, which is fit for drinking without conventional treatment but after disinfection, in respect of pH level, dissolved oxygen, bio-chemical oxygen demand as well as coliform on most days except on five of the 12 testing days between November 19, 2013 and October 8, 2014.
But at the rest of the places through the city, the water did not even qualify to the standard of "C" grade water and was declared unfit for even bathing. The CPCB also submitted the quality of water in 22 drains that joins Yamuna during its course through Delhi.
A year ago in December 2013, the Supreme Court had sought expert help from the Indian Institute of Technology (IIT) after being told by CPCB that despite Rs 5,000 crore spent for reducing pollution, the river was staring at a catastrophe as over 2,400 million litres of untreated sewage flows into it every day.
Since 1994, when the apex court took up monitoring of steps to reduce pollution in Yamuna, Uttar Pradesh has spent Rs 2,052 crore, Delhi government and its civic bodies Rs 2,387 crore and Haryana Rs 549 crore to clean the river, taking the total to Rs 4,988 crore.
A joint report by CPCB and DJB had informed the court a year ago that the situation would get worse as "waste water generation due to growth of urban population will be substantial and may be in the range of about 5,000 to 6,000 MLD respectively for the corresponding years 2021 and 2031".
http://timesofindia.indiatimes.com/followceleb.cms?alias=Yamuna,SC monitoring,Central Pollution Control Board
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