Petro-Geochemical Analysis and Their Correlation for Genesis of Fluoride Contamination in Groundwater of District Sonbhadra, U.P., India
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In many parts of India, high concentration of fluoride in drinking water has been causing severe health problems in human, such as dental and skeletal fluorosis. The present study has been aimed to assess the role of hydrogeological characteristics on fluoride contamination of groundwater. This includes the monitoring of parameters such as lithological compositions, groundwater level behavior, and different chemical parameters to understand their impact on fluoride concentration in the study area of Sonbhadra district, U.P. Chemical parameters such as pH, F−, EC, TDS, chloride, total hardness, alkalinity, phosphate, Ca2+, Mg2+, Na+, and K+ have been determined. A petrological study of rocks reveals that mainly granite, granite gneiss, and pegmatite types of rocks are found in area. In general, high fluoride content has been observed in shallow aquifer due to erosion of rock. Therefore, the most dominant reason for leaching of fluoride in groundwater is due to the weathering of various fluoride-bearing minerals in the area.
KeywordsFluoride Groundwater Health hazard Sonbhadra Uttar Pradesh
Authors are thankful to Prof. P. Chakraborty, Director, MNNIT Allahabad for sanctioning the Institute Project under which the present study was carried out. We are also thankful to the Central Ground Water Board, Ministry, Govt. of India, Lucknow, for chemical analysis of groundwater samples. Authors are grateful to U.P. Jal Nigam for providing the baseline information regarding the fluoride-affected villages and Department of Geology, Banaras Hindu University, Varanasi, for preparation of thin section of rocks. We are thankful to M/S Hindalco Industries, Renukoot of Sonbhadra, for providing the logistic support during study. Authors are also thankful to Mr. Saurabh Kumar, Ph.D., Department of Civil Engineering, MNNIT Allahabad and Mr. Vivek Tiwari, M. Tech student, Institute of Agriculture Sciences, BHU, Varanasi, for their continuous involvement in preparation of maps and arrangement of the manuscript.
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