“Troubled Water,” an investigation into drinking water contamination in communities across the country, is the 2017 project of the Carnegie-Knight News21 program, a national multimedia reporting project produced by top journalism students and graduates. Each year, students selected into the program report in-depth on a topic of national importance.

This year, 29 journalism students from 18 universities traveled across the country. They conducted hundreds of interviews, reviewed thousands of pages of state and federal statutes and other records and built databases and data visualizations documenting the issues surrounding water pollution.

To see the full News21 report on “Troubled Water” and view the 30-minute documentary, go to troubledwater.news21.com. Watch a preview of the project here:

News21 investigates drinking water in America from News21 on Vimeo.