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International Journal of Recent Trends in Science and Technology, ISSN 2277-2812 E-ISSN: 2249-8109

Volume 12, Issue 1, September 2014 pp 31-35

Research Article

Contributory geochemical factors for variation in groundwater quality along confluence of Mula-Mutha and Bhima River, Dist. Ahmednagar, Maharashtra

U. D. Kulkarni1, Y. M. Nandurkar2, R. R. Sangpal2

1Department of Chemistry, Nowrosjee Wadia College, Pune 411 001, Maharashtra, INDIA.

2Department of Environmental Sciences, University of Pune, Pune 411 007, Maharashtra, INDIA.

Sixty groundwater samples were collected in different seasons from the study area. The water soluble products of congruent weathering reactions such as Na, K, Ca, Mg, HCO3, and SiO2 have been probed. Apart from these, anthropogenic parameters such as Cl, NO3, PO4, and SO4 have also been analyzed. The mathematical and graphical tools are used to assess the groundwater quality for drinking and irrigation purpose. The study reveals that the concentration of major ions is controlled by the water-rock interactions. The water is not at all suitable for drinking purpose. As per pH, TDS, SAR, chloride and sulphate concentration water is suitable for irrigation purpose. Critical verification of hardness, EC, RSC, salinity hazard compels to assign water quality doubtful for irrigation purpose. Such doubtful zones need special care and suggested to adopt alternative salt tolerance cropping pattern. Also it is advised to avoid excessive use of artificial fertilizer and excessive irrigation.