The water is origin of life. Now-a-days many space programs aim to search water from other worlds to discover existence of living organisms. This means probability of existing of life is directly linked with availability of water. But a lot of problems have risen in context to water on earth's surface. The problems that are faced depending on water could be examined in the aspects of quality and quantity. If it is necessary to sight an example of water quantity sourced problem, the answer is the people who are suffering from water in arid zones. Quality of water could be determined by...