Abstract
Purna 8) watershed, Maharashtra (India) to provide valuable information on current groundwater quality. Physicochemical parameters monitored seasonally (i.e. pre and post monsoon) in 2012, 2013 and 2014 were considered. Monitored parameters were compared with quality criteria for drinking water standards of India. Groundwater quality was also assessed for irrigation purpose. The average concentration of Ca++, Mg++ and NO3-are exceeded the permissible limit. The concentrations of other contaminants are well below the permissible limits. The groundwater is suitable for irrigation in terms of alkalinity, but is unsuitable for irrigation from the salinity point of view. Spatial distribution maps of various water quality constituents were prepared by interpolation using of Arc-GIS software. Distribution of various constituents in water samples from the study area indicate that TDS, total hardness, calcium, magnesium, chloride and nitrate ions beyond the maximum permissible limit. Accelerating the artificial recharge of rain water in to the groundwater is an important way of reducing contaminant concentrations. This study is important in providing comprehensive information on groundwater quality for decision makers.
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