What is a soil pipe used for?

A soil pipe is specifically designed for conveying sewage that contains human waste, including fecal matter, from residential or commercial buildings to the larger drainage system or sewer. This is a crucial aspect of a plumbing system as it ensures that waste is transported safely and efficiently away from the premises, which is vital for public health and hygiene.

The function of the soil pipe is distinct in that it deals specifically with wastewater that includes solids, as opposed to pipes that carry clean water or stormwater. Other types of pipes, such as waste pipes, may convey gray water from sinks and bathtubs, but soil pipes are uniquely suited for the more intensive task of handling sewage. This delineation in functionality highlights the importance of using the appropriate piping system for different types of waste, ensuring compliance with plumbing codes and preventing any potential contamination.