Drinking water poses the threat to human health from arsenic. In groundwater arsenic can be found through the dissolution of minerals and ores. Arsenic is a naturally occurring chemical element that is found in the earth's crust with the symbol 'As' raised great concern from an environment and health perspective.Arsenic in water is a vital problem in many countries around the world including Bangladesh, India, and China etc. According to the United Nation, more than 1 billion people already lack access to fresh drinking water.