Water Purification

Written by Patricia Tunstall
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Water purification is considered by many consumers to be essential in order to obtain good drinking water for the home or office. Municipal water supplies often have contamination problems, and even the "safe" supplies are permitted to have higher levels of certain elements, such as nitrates, than some think healthy. On a national level, the heated discussion of water standards is continuing, as more citizens become aware of the pollution in our bays and offshore waters, our rivers, and our lakes.

Water is the very essence of life--after all, our bodies are mostly water, and we can survive much longer without food than without water. With increasing pollution of our waterways, we risk our health at a fundamental level. Fortunately, people have developed water purification systems that can be used at home and in the workplace.

Types of Water Purification

Every backpacker knows about the purification tablets that make creek water safe to drink. This is a crude form of cleansing, but a backpacker cannot carry filters and other accouterments that eliminate impurities. In permanent structures, such as homes and offices, very effective water purification filters can be installed in systems that make tap water safer, or that dispense bottled water.

Water coolers use bottled water that has already been purified. Reverse osmosis is one of the most effective and cost-efficient methods for extracting pollutants from water. Systems come in various sizes, but all have some time of carbon, or sediment/carbon/sterilization filters that eradicate almost all impurities.


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