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National News

May 28, 2019
8:23PM

Ban ROs where dissolved solids in water below 500 mg/litre, NGT tells govt

File Pic: PTI
The National Green Tribunal, NGT, has directed the government to ban water purifiers where total dissolved solids (TDS) in water are below 500 mg per litre. A bench headed by NGT Chairperson Justice Adarsh Kumar Goel passed the order after perusing a report of a committee formed by it, and gave the directions to the Ministry of Environment and Forests (MoEF).

The tribunal also directed to sensitise public about the ill effects of demineralised water and asked the government to make it mandatory to recover more than 60 per cent water wherever RO is permitted across the country.


 Reverse Osmosis (RO) is a water treatment process that removes contaminants from water by using pressure to force molecules through a semipermeable membrane.


It also ordered that directions be issued for enforcement of Extended Producers Responsibility by the manufacturers for disposal of cartridges and membranes and directing manufacturers to provide proper labelling on the purifier specifying that the unit should be used if TDS is more than 500 mg per litre.



The Tribunal was hearing a plea filed by an NGO seeking conservation of potable water by preventing its wastage on account of unnecessary use of Reverse Osmosis (RO) systems.

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