Environmental Hydro chemistry and genesis of fluoride in drinking water of Govt kallar Hr. Sec Schools, in Dindigul District in Tamilnadu India

Our life is governed by the seasons rhythms. Mainlyhydrology and rainfall depend on the monsoons and make a reasonable impact in the day-to-day life.In thepresent study an attempt has been made to identify the drinking water quality of Govt kallar Hr. Sec Schoolsin Dindigul district during Premonsoon and Post monsoon phases in the year of 2010-2012. The physico-chemical parameters like pH,Electrical conductivity, Total hardness, Total alkalinity, Chloride, Sulphate, Sodium, Fluoride,Potassium, Calcium Magnesium , Nitrate and Heavymetals were studied to analyze the potable ground water quality of the four schools. Meaningful conclusion has been drawn by applying Multistatistical approach such as Box and Whiskers plot, cluster analysis and principal component analysis [1-5]. Chemical relationships in the water quality parameters are explained by cluster analysis. Better water quality was found in Pre-monsoon season than Post-monsoon season. Multivariate statistical analysis explained thatfour Govt. Kallar. Hr. Sec. Schools in Dindigul district are not having potable water. Extent of pollutionoccurred due to dissolution of minerals into rain water with raise in water tableof the drinking water sources. Water sources are affected on account of overexploitation of ground water, urbanization and anthropogenic activities.