Demand for water is rapidly increasing as supply dwindles

Limited access to clean water remains a struggle for millions of Americans. And lack of water access is expected to become an even greater problem in the coming years across the U.S. and around the world.

In West Virginia, many households in McDowell County rely on collecting water from fresh springs, which might freeze over in the winter or run dry in the summer. Bob McKinney is the Appalachia Water Project manager for DigDeep, a nonprofit that works to provide water to Americans who wouldn't otherwise have access. He says...