Abstract

The main aim of this study is to evaluate the quality of ground water supplies of Taiz city. The results shows that the most parameters analyzed in the study samples, such as conductivity, TDS, hardness, chloride, fluoride etc., were higher than the permissible limit according to WHO and YSMO. The runoff water which carried sewage and other wastes are the main anthropogenic source of water contamination and with interface with natural contamination by the rocks formation in the studied areas. The exacerbates of the problems are the lack of proper treatment of the city sewage, the lack of good drainage system around the wells, and also there are no proper paving surroundings of the city wells.