Biochemical Oxygen Demand

Poisar river’s pollution 100 times higher than safe limit

Date of Release: 
Mar 10 2016

The Poisar river, originating from the Sanjay Gandhi National Park, is polluted over 100 times the safety limit — making its water unsafe for human consumption and uninhabitable for both plant and animal life.

Researchers working on the Nallah Restoration Report conducted biochemical oxygen demand (BOD) tests — an analysis aimed at determining the quantity of oxygen required by plants and animals for surviving in water — only to find that the number was as high as 414.73 mg per litre at certain locations along the seven-km river.

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