Maintaining a supply of clean water is critical for the health and well being of everyone. However, pollution often finds its way into water. Oil, fertilizers, road salt, and various chemicals seep into the soil, eventually causing these harmful pollutants to contaminate groundwater and drinking water. Drinking contaminated water can lead to several severe diseases, including cholera and dysentery. These contaminants, along with litter and larger pieces of debris find their way into the oceans. Ocean pollution negatively affects marine life and seafood. The Environmental Protection Agency (EPA) and World Health Organization (WHO) combats pollution by regulating pollutants. For more information, click on the links below.