3. Inorganic Contaminants
Inorganic contaminants are compounds that typically do not contain the element carbon in their molecular structure. Sources of dissolved contaminants result from natural sources such as natural elements which occur in geology. They also occur as a result of human activity. An example of this is outfall runoff from industry. Because of risks associated with inorganic contaminants causing acute poisoning, cancer, and other health effects, state and federal governments regulate water distributed to the community to ensure inorganic levels do not reach toxic levels.