Groundwater contamination recently has come to the attention of the public as incidents of contamination are being reported from every state. Central Ground Water Board, Southern Region, for the last nearly five decades has been carrying out hydro geological and hydro chemical investigations and has generated voluminous data. Central Ground Water Board, Southern Region monitors groundwater quality throughout the state of Telangana, once in a year during the months of May, from a network of monitoring stations called “National Hydrograph Network Stations (NHNS)”, which comprises open dug wells and Piezometers. This report has been prepared based on the analytical results obtained from the water samples collected from these NHNS stations.
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