We take it for granted. We turn on the kitchen or bathroom faucets in our homes and offices with every expectation that the water we receive is uncontaminated and not dangerous to our health. Unfortunately, pure water has become extinct. In this day and age, we cannot assume that water is pollutant-free—regardless of the source. Just because it comes out of our kitchen faucet, its purity is not guaranteed. Newspapers and television newscasts report almost daily how water pollution is increasing from the sewage and industrial waste being dumped directly into our drinking water sources.