Learn about the water purification — “the removal of contaminants from raw water to produce drinking water” — process in this interesting “How it’s Made” segment.

It is not possible to tell whether water is safe to drink just by looking at it. Simple procedures such as boiling or the use of a household charcoal filter are not sufficient for treating water from an unknown source. Even natural spring water—considered safe for all practical purposes in the 1800s—must now be tested before determining what kind of treatment is needed

Learn about the water purification — “the removal of contaminants from raw water to produce drinking water” — process in this interesting “How it’s Made” segment.

It is not possible to tell whether water is safe to drink just by looking at it. Simple procedures such as boiling or the use of a household charcoal filter are not sufficient for treating water from an unknown source. Even natural spring water—considered safe for all practical purposes in the 1800s—must now be tested before determining what kind of treatment is needed