SPATIAL DISTRIBUTION OF GROUNDWATER QUALITY PARAMETERS IN AND AROUND NARAYANKHER, MEDAK DISTRICT, TELANGANA STATE

Ch. Ramakrishna
Department of Civil engineering, GITAM University, Hyderabad campus, India , IN

A. Sudhakar
Department of Civil engineering, GITAM University, Hyderabad campus, India , IN

Keywords: GIS, Chemical analysis, Quality maps, pH, Sulfate content, Chlorides content, Total hardness, Sodium content, Carbonate hardness, Calcium content.

Abstract

Groundwater is the most important natural resource required for drinking to many people around the world, especially in rural areas. Groundwater now accounts for a major part of domestic and agricultural water supply, groundwater features geometry, natural recharge, storage, flow and discharge conditions, permeability characteristics and quality conditions. The resource cannot be  ptimally used and sustained unless the quality of groundwater is assessed. The study described here uses geographic information system (GIS) technology to map groundwater quality for drinking and construction, utilizing data generated from chemical analysis of water samples collected from the area under study. spatial distribution maps of pH, EC,TDS, Na+ , K+, Ca2+ , Mg2+,TH , CO3 2-HCO3 - Cl, NO3- and SO4 2- have been created. Form this map one can easily assess the quality of water present at various places of this area and also it helps in taking decision of what are the improvements that are to be made in the water usage and its quality. The physico-chemical results were compared to the standard guideline values as recommended by the World Health Organization (WHO) for drinking and public health in order to have an overview of the present groundwater quality.

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