[01] Khadri S. F. R., Department of Geology, Sant Gadge Baba Amravati University, Amravati, India. [02] Chaitanya Pande, Department of Geology, Sant Gadge Baba Amravati University, Amravati, India.

Water is the main source for domestic, engineering, industrial, agricultural and multipurpose uses which affects surface as well as groundwater quantity. The study area falls within the semiarid region and frequently facing water scarcity and quality problems. The present study generates the primary data to map the spatial variation of groundwater quality in hard rock terrain of Mahesh river basin through Geo-informatics technique. The suitability of groundwater quality of 35 wells located in the study areas was assessed for drinking purpose based on the various water quality parameters and the present study area 35 well samples collected from different parts of the study area during pre-monsoon period (June-2013) to assess its parameters such as Carbonate (CO3-), Chloride (Cl-), Sulphate (SO42-), Potassium (K+), Sodium (Na+), and Bicarbonate (HCO3) Standard methods for physicochemical analysis of groundwater samples were employed. Most of the samples analysed were above the Guidelines set by both national (BIS) and international (WHO, 2011) bodies for drinking water. Geographical Information System (GIS) capabilities are used to classify zones with acceptable groundwater quality for drinking purpose. LISS-IV satellite data through Visual interpretation techniques to evaluate the possible pollution of groundwater quality by rock-water interfaces, agro-chemicals and storage & movement of water. This study highlights the potentiality of Geo-informatics technique in preparation of more consistent and accurate baseline information predicting the groundwater quality in hard rock terrain of the study area, Assessment of groundwater samples from various parameters indicates that groundwater in most part of the study area is chemically unsuitable for drinking purpose.

Groundwater Quality, Drinking Water, IDW Interpolation, GIS, Major Icons, GIS and GPS

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