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The Hindu : water. If we are what we eat we are also what we drink to a greater extent. Pure water as pure H2O does not exist in nature and therefore what we consume has some mineral or salt or the other. The question is what is right and what is wrong in the water we drink. Simultaneously, with increasing impact from human activity, water is being polluted everywhere. So what should be the quality of the water we drink?Is your water tested?
Many private laboratories exist in cities to carry out water testing. In addition the State Pollution Control Boards, the Department of Mines and Geology in Karnataka and many engineering and agricultural colleges help in water testing. Water utilities such as the Chennai Metro Water Board say on their website that they provide water testing service too. Charges vary depending on the laboratories but expect to pay around Rs.200-Rs.900 for a complete test.
Most laboratories will need a sample of at least two litres collected in a sterilised bottle. There are specific requirements of collection if the water is to be tested for indicator bacteria such as e-coli and the laboratory usually prescribes the method. If your water source is a borewell you must check for all the parameters listed above. Of specific concern will be the Total Dissolved Salts, Nitrates and Fluoride. Leaking sewage pipes have caused ground water to be polluted and the typical pollutant is Nitrate. Fluoride contamination is reported more through natural sources and is endemic in many villages of India. Fluoride testing kits are available for Rs.1,000- Rs.1,500 which can give a broad range result. Further testing for more accurate results can then be done in laboratories. If your water source is from the pipeline then it is the responsibility of the city authorities to ensure that the water you receive confirms to…More
