Ground-water is an essential and vital component of our life support system. The ground water quality of Kodaikanal\r\ntaluk, Tamil Nadu for the period of pre monsoon season in the year of 2012 has been studied to evaluate the suitability of\r\nground water for domestic uses. Totally 17 Groundwater samples were collected from open well and bore well and analyzed for\r\nvarious physical (pH, EC, TDS) and chemical parameters (Na, K, Ca, Mg, HCO3, CO3, SO4 and Cl). It is observed that the quality of\r\ngroundwater is suitable for domestic use in most of the location with respect to World Health Organization (WHO 1984) and\r\nsome of the samples are not suitable for drinking purposes. To understand the water quality, Arc GIS software was used to\r\nprepare a spatial distribution map and identify the suitable and unsuitable zones. Finally, overlay the all spatial maps and find\r\nout the unsuitable zones for drinking purposes.
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