India, May 23 -- Water quality of the Yamuna has worsened in May, clocking a spike in biological oxygen demand (BOD) and faecal coliform levels from April, according to the monthly water quality report of the Delhi Pollution Control Committee (DPCC).
According to the report dated May 16, samples of the Yamuna lifted on May 1 showed a faecal coliform level of 2.3 million MPN/100ml, up from 1.5 million MPN/100ml clocked in April. The safe limit, according to DPCC, is 2,500 MPN/100ml, indicating the May readings were 920 times higher.
The report showed while the reading was 1,700 MPN/100ml at Palla, where the Yamuna enters Delhi, it increased to 3,300 MPN/100ml at Wazirabad, the next stop downstream, before spiking to 160,000 MPN/100ml at ...
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