The main drainage pipe, also known as the main sewer line, is the primary pipe that carries wastewater and sewage from your home to the municipal sewer system or a septic tank. It's usually a large pipe that runs underground from your house to the street or a nearby sewer line.
Old pipes can simply collapse from ground shifting or corrosion. Other times, a section of the pipe sinks (a "belly"), creating a low point where water stops flowing and solids settle permanently. main drainage pipe clogged
It starts subtly. The water in the shower takes a little longer to drain than it did yesterday. The toilet gurgles ominously after you flush, and a faint, foul smell wafts up from the basement floor drain. The main drainage pipe, also known as the