Physico-chemical characteristics of ground water of Ariyalur district, Tamilnadu, India

This study was conducted to evaluate factors regulating ground water quality in an area with agriculture as main use. Ariyalur is one of the districts in Tamil Nadu. It is rich in limestone resource. Ground water acts as reservoir and source of water for bore wells. The increase in Human population and fast Industrial development to the scarcity of drinking water in this district. Ten ground water samples were collected from different stations around Ariyalur area. The Ariyalur District covers an area of approximately 681.19km.2 The analyzed for various Physico-chemical parameters such as pH,, Electrical Conductivity, Total Dissolved Solid, Dissolved Oxygen, Biological Oxygen Demand, Chemical Oxygen Demand, Total Hardness, Calcium, Magnesium,Chloride,Sulphate, Nitrate and Fluoride were analyzed (APHA, 1998).The results were compared with standards prescribed by BIS (Bureau of Indian Standard) and suitable suggestion were made. The correlation coefficients were calculated for water quality assessment. The study indicates that the water quality parameters slightly excess the permissible limits and not suitable for drinking purposes.

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