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 ...

A big pipe carries waste from your house to the main sewer line under ... by taking 15 minutes to install a floor drain backflow preventer, also known as a backwater valve. Before you buy one ...

Major stormwater infrastructure improvements aren't coming anytime soon. There are actions individual residents can take in the meantime, officials said.

A building permit is required to install a backwater valve. Backwater valves prevent the flow of sanitary or storm sewage back into your home. If storm water or ...