Abstract

This work aims to study the hydrochemical and bacteriological parameters of deep and shallow groundwater of Tamlouka Plain located in the eastern part of Algeria. The groundwater resources of this plain are used mainly for drinking, agricultural, and industrial purposes. Hydrochemical and water quality data obtained through sampling periods (November and December 2012) and analyses program indicate a highly mineralized water type. The amount of nitrates in these waters ranges from 22 to 110 mg/L. The interpretation of chemical data, based on both thermodynamic calculations and stability diagrams, suggests that the chemical evolution of groundwater is primarily controlled by water-rock interactions. The bacteriological analysis of 40 samples showed that 26 samples are contaminated. So for a better quantitative and qualitative assessment of groundwater resources, a regular control of water quality must be conducted in this area.

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