A Journey to Confront Our Aging Water Systems
Clip: 01/03/2013 | 11m 6s
As clean water regulations become tougher and sewer systems and water treatment plants become outdated, cities are struggling to stay compliant and safe. Science correspondent Miles O'Brien goes underground to discover the many ways America's sewer systems could be revamped to conserve water and save money.
Aired: 01/03/13
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