The ground water is one of the major sources of drinking water and the Indian government promised to provide safe drinking water to all by 2012. It is reported that 33% of ground water of India is not fit to drink due to pollution. Besides the harmful bacteria and virus, the pollutants are iron, fluoride, salinity and arsenic. The concentrations generally exceed the tolerance levels prescribed by the authorities.
Bottled water has flooded the market and many companies are selling water purifiers claiming the supply of 100% pure water. There are many models available in the market. Zero B claims their water purifier as “A perfect blend of beauty and technology”. Kent Mineral RO claims to supply water which is purest in the world. Some other company claims 100% “Chemical free water”. The price varies from Rs.1000 to Rs.10,000. The high-pitch advertisements by the companies do not clarify the limitations of such systems. It looks as if the companies are taking the gullible public for a ride. Regulation of the water purifiers is not in sight.
There seems to be no awareness amongst the consumers as to the minimum purity requirement for the potable water. What are the drinking water standards? How and who will monitor the potability of the water supplies, i.e., municipal water supply and ground water supply?
The concerned authorities / departments should intervene immediately and specify the minimum required purity in terms of presence of chemicals, bacteria and virus in the water coming out of these purifiers. In fact, the television channels and news papers should take up this issue and sensitize the viewers about the existing status in domestic water purification systems in India. It can start public debates to discuss the issues involved.
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