Environmental Contaminants and Their Impact on Groundwater Quality, in three area of Taiz, Yemen

R Naser, M EL Bakkali, F AL Nahmi, N Darwesh 1, K El Kharrim 1, D Belghyti 1

Résumé


The main aim of this study is to evaluate the quality of ground water supplies of three areas Central, Al-Howban and Dabab in Yemen. Initially, we used ARC / Info geographic information systems (GIS) software to analyze the distribution of different pollutants in the study area. Secondly, The one way Anova was used in the analysis of the data To study the difference between three regions in content of different phisico-chemical parameters.
The results shows that the all parameters analyses in the study samples such as Electrical Conductivity, TDS, chloride, Fluoride etc. were significantly higher in the Central and Al-Howban area and significantly lower in the Dabab area region and higher than the permissible limit according to WHO (Wold Health Organisation). High concentration of population, industrial, agricultural activity and runoff water that carries wastewater mainly in the Central and Al-Howban area are the main anthropogenic sources of water contamination. As a consequence, highly saline water may migrate down and contaminate groundwater in nearby wells. The exacerbations of the problems are the lack of proper treatment of city wastewater, a good drainage system around the wells, and there is no proper surrounding of the city's wells.


Mots-clés


Water Samples, Dabab, Al-Howban, Central, Physical Measurement, Chemical Analysis, contamination

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