In the United States, public water systems are treated to remove common pathogens and other contaminants. However, according to
Green Water Technologies, while this is mandated at municipal water treatment facilities, well owners are on their own. For this reason, it makes sense to get to know possible contaminants that might affect your family if you drink from a well.
Microorganisms
Green Water Technologies says that microorganisms is a blanket term for all types of parasites, bacteria, and viruses. Although the entire earth is covered in microorganisms, some, often those deriving from animal waste or human sewage, can cause extreme gastrointestinal disturbances.