Assessment of Water Quality Index and Monitoring of Pollutants by Physico-Chemical Analysis in......
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IJERTV9IS010046
Assessment of Water Quality Index and Monitoring of Pollutants by Physico-Chemical Analysis in Water Bodies: A Review
Dr. Renu Nayar
Water is said to be polluted when it is changed in its quality or composition directly or indirectly as a result of waste disposal and other human activities so that it becomes less suitable or harmful for drinking, domestic, agricultural, fisheries or other purposes. Water is never pure in a chemical sense. Even in the most unpolluted geographical areas, rainwater contains dissolved carbon dioxide, oxygen and nitrogen and may also carry in suspension dust or other particles picked up from the atmosphere.
The existence of human society depends on water. The quality of water should be monitor regularly due to its necessary for good human health. If water will be contaminated and frequently used by living being for drinking purposes, then human population suffers from different of water borne diseases. The availability of good quality water is an indispensable feature for preventing diseases and improving quality of life, therefore it is necessary to know details study about different Physico-Chemical parameters such as temperature, Transparency ,hardness, pH, sulphate, chloride, DO, BOD, COD, alkalinity nitrates phosphates used for analysis and testing of water quality. It is necessary to address water quality issues with respect to different water bodies. In addition, since the advent of industrial era, there has been a dramatic increase in the demand for water, commensurate with population growth and improved living standards. In the present study, a review of literature on the quality of natural waters from different parts of Indian sub-continent, in particular, and the globe in general has been discussed briefly.
