In this detective story, filmmaker Cullen Hoback investigates the largest chemical drinking water contamination in a generation. But something is rotten in state and federal regulatory agencies, and through years of persistent journalism, we learn the shocking truth about what’s really happening with drinking water in America.
Unfortunately the movie What Lies Upstream is not yet available on HBO Max.
| Camera | Vince Sweeney | Director of Photography |
| Directing | Cullen Hoback | Director |
| Editing | Cullen Hoback | Editor |
| Production | Cullen Hoback | Producer |
| Editing | Geoffrey Richman | Editor |
| Production | Nitin Khanna | Executive Producer |
| Sound | John Askew | Original Music Composer |
| Production | John Ramos | Producer |
| Writing | Cullen Hoback | Writer |
| Production | Jaswinder Grover | Executive Producer |
