Water is often taken for granted by most of our human population because we consume it on a daily basis. A person may think of water as a basic necessity that is used in combination with flavors to create other drinks more savory like soda, flavored iced coffee and beer. Water is flavorless and it is clear in color. Water in its most basic form should be pure with little minerals that naturally are deposited in water when flowing naturally in nature such as a river.
Water increasingly becomes contaminated as the years go by. There are many different factors that contribute to water becoming contaminated for example, oil spills on land that percolated to the bottom of the earth and leaks into aquifers which are underwater natural occurring water reservoirs. Another factor in the contamination of water is smog. As rain falls from the sky on its way down through the atmosphere it binds with water droplets because water is polar meaning it attracts other molecules do to its positive and negative charge. When the raindrops reach the surface of the earth, water has picked up pollutants and it is now mixed therefore contaminated. When the water hits the ground of a city concrete, soil, or any surface of the earth it will continue to pass over any contaminants and transfer them into mountains, lakes,streams, rivers, and oceans.
Water that is contaminated is not safe to drink and this is why we have agencies like the EPA (Environmental Protection Agency) they are in charge of protecting human health and the environment. For example, when water is contaminated the EPA will test water for two categories such as: first, microbial organisms (bacteria) and second, chemical contaminants (sulfur, Lead, Arsenic). It is important to check for contaminants because they are still present in domestic water which is water used in the house. The levels of the contaminants is crucial in maintaining a water available for consumption. It is important to know how many PPb (Parts Per billion) is the way water is now measured for any contaminant is present within a specific body of water. For Example, one (PPb) is the equivalent of a teaspoon of coffee and dropping into a body of water such as a lake the size of five olympic size swimming pools. Now, one may say: Oh that is nothing, there is more water in ratio to one teaspoon of coffee. However, we forget it becomes significant as the (PPb ) increases. Another example is: Arsenic which is a chemical that is known to be a carcinogen which can cause cancer in organs like lungs, kidney, bladder, and liver. The (EPA) set a standard for Arsenic to not exceed a measurement of 20 ppb. These means that arsenic is present in the water but it is low enough that it does not cause any immediate health effects or impacts in human health immediately, however; in the long run, after many years of consuming water with Arsenic at 20 ppb it may have then a health impact for humans. This is scary and yes it is a concern.
Note, I am currently doing more research about this subject on water quality. It is devastating to know that sometimes water the most basic necessity of life other than shelter can be compromised by chemicals that cause health issues such as disease in humans. However there are things we can do to diminish further the contaminants of water. One can start immediately by not drinking tap water. Installing a purifier for 35 dollars on your sink faucet to safely cook and wash vegetable with water. Water purifiers to install in shower heads to bathe in purer water the reason for this is because we are still affected by contaminated water when one showers, we absorb water and its contaminents through our skin pores.