![Stories of the Week | PBS NewsHour Podcast | PBS show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/011/424/small/stories-of-the-week-newshour-with-jim-lehrer-podcast-pbs.jpg)
Summary: As clean water regulations become tougher and sewer systems and water treatment plants become outdated, cities are struggling to stay compliant and safe.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.