Water pollution is caused by direct and indirect containment sources. Direct sources include factory, refinery, etc. outpourings that emit tier fluids straight into their water. Indirect sources are the substances that enter the water supply through rainwater. This map is of the total sources per zip code of these locations. These substances include industrial wastes disposed into the soil, and human emissions into the atmosphere, such as automobile emissions.  The effects of polluted water are harmful and dangerous, such as poisonous drinking water, poisonous food animals, unbalanced river and lake ecosystems that can no longer support full biological diversity, deforestation from acid rain, and many other effects.

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