A baseline study was carried out to assess the metal concentrations and contamination at selected Thoothukudi\r\ndistricts, Tamilnadu, India. 80 groundwater samples were collected at specific around entire district. The data have been used\r\nfor the calculation of heavy metal pollution index (HPI), Heavy metal evaluation index (HEI) and degree of contamination (Cd).\r\nThe average abundance order of heavy metal contents in groundwater samples are: Cr > Cu > Pb > Fe > Zn > Ni > Mn > Cd. GISbased\r\nHPI, HEI, Cd indicates that higher indices values are observed in the northeastern corner and along the Industrial (SIPCOT)\r\nand coastal region, factor score maps suggest that the activities of industries and landfill leachate are pervasive processes. The\r\nhigh metal concentrations observed in the groundwater may have serious public health and potential environmental hazard\r\nimplications.
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