Maoa (Zafar) village near Dhamar. Dhamar is a city in south western Yemen. It is situated 100 Km to the south of Sana'a (capital of Yemen) 2700 m above sea level. It is located at 14°33'0 N 44°24'6 E Coordinates, at an elevation of around 2400 meters. Maoa (Zafar) is gaining importance as a archaeological and tourist village. Maoa (Zafar) residents complain the prevalence of colon cancer and drinking water may be is the reason, where drinking water samples are not treated before it is consumed. This study consisted of the determination of the trace metals and some physical and chemical parameters in drinking water samples from the Zafar village, Dhamar governorate. The analysis have been investigated by using Uv-Vis spectrophotometer, flame photometer and standard analytical methods. The data show that: the physical and chemical parameters and levels of the nitrogenous compounds are agreement with the standard values of the World Health Organization (WHO) but concentrations of all the metal elements and the metal ions are very below compared with the standard acceptable levels for drinking water
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