The sewer line that serves your home is one of those out-of-sight, out-of-mind systems. What you should know about your sewer system and what most people take the time to learn probably don't line up.

A worker uses a pump to unclog a blocked sewer line. Photo courtesy Getty Images. When shopping for a house, many homebuyers overlook the sewer lateral that runs below the ground of a property. This ...

In our last column ("Cast-iron drain's fix may cost you," March 12), we tried to calm a reader's fears about antiquated cast-iron waste lines under her 1930s house. Given easy access, we didn't think ...