Watch Sewer Divers

In Connecticut, Rick searches for a mysterious clog in a treatment plant's outflow pipe. In New York, George and Ramone struggle to clear a clogged reservoir. And in Cleveland, OH, Josh attends to a backed-up basin that threatens to flood downtown.

In Mount Vernon, an abandoned sewer line is overwhelmed by stagnant human waste. In Cleveland, the damage from a massive sinkhole threatens to shut down the entire city's sewer system. And in New London, a large clog could take down a city building.

In Mount Vernon, a mysterious clog backs up the entirety of the downtown neighborhood's sewer line. In Cleveland, the debris from a severe storm backs up a critical grit chamber. And in Mystic, CT, a restaurant grease trap is in dire need of cleaning.

In Brooklyn, Dirty Water Don repairs outflow gates at a treatment plant. In Mount Vernon, Ramone and George discover medical waste lodged in a pump station. And in Massachusetts, Rick deals with a disgusting grease trap at a meat cutting facility.

A Fatberg of wipes, toiletries and trash has formed in a North Jersey sewer pipe; the Cleveland crew find themselves knee-deep in a rain-ravaged storm sewer; Ramon discovers a huge sewer break threatening people's basements in Mount Vernon.

Every town in America has a vast and often decaying sewer system. And they all need constant attention from intrepid sewer crews to keep them from collapsing. In Belleville, New Jersey, Dirty Water Don is on the scene to find and unclog a mysterious blockage that threatens to back up into toilets all over town. He straps on a hermetically-sealed dive suit and crawls through a 36-inch pipe filled with raw sewage on a mission to save the day. In Mount Vernon, New York, the kindly Miss Horton has a terrible backup that floods her entire basement. Enter Ramone and George who embark on a series of misadventures to discover the root of the problem in hopes of draining the basement before the flood does serious structural damage. And in Cleveland, Ohio, Josh and his team discover that a critical pipeline has been severely impacted by the gradual buildup of rock-hard slabs of grit and fat. Breaking the slabs down will be no easy task.