Changes to Newton's sewer ordinances may require landowners to disconnect old service lines from the sewer main when a building is demolished and then install backwater valves on all new sanitary ...

It's also possible that your backflow preventer is near the main shutoff valve for your home. For a homeowner, the sewer backflow preventer usually will be above the ground, so you or your plumber ...

A big pipe carries waste from your house to the main sewer line under the street. If either becomes plugged or overloaded, sewage backs up and flows out of the lowest available drain. That’s ...