Drinking polluted water cause serious health problems. Check the effects, sources, impurities present, diseases caused and the preventive methods. Drinking polluted water is one of the primary reasons of increasing health problems throughout the world. It largely happens in underdeveloped and developing nations, where the nations are not well-equipped with the infrastructure to treat impure water. But, this does not mean that developed nations have 100% pure water through all sources. Still, diseases caused by polluted water are found in such nations. Read more about health effects of drinking polluted water.