Date of Publication :31st July 2024

Abstract:Burhi Gandak basin is one of the important basins in the northern Bihar, which originates in the district of west Champaran, Bihar and merges with Ganga River in the Khagaria district of Bihar. This study aims for preliminary assessment of electrical conductivity and pH variations in the groundwater system of the basin in context of the hydrogeological domain. Thus, groundwater sample analysis report from various locations of the basin were interpreted for assessment of the electrical conductivity and pH variations. The concentrations of electrical conductivity were observed comparatively lower in the upper part of the Burhi Gandak Basin indicating fresh water dominance zone. The highest recorded value of electrical conductivity was observed to be almost two times greater than the fresh water range (up to 1500 μS/cm). Furthermore, the analysed data shows that Samastipur district had higher Electrical Conductivity within the Burhi Gandak basin. The pH values were higher in the upper part compared to the lower part.

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