What are the different types of sewer systems?

There are three types of modern sewer systems: Sanitary sewers (also called foul sewers), storm sewers (also called surface water sewers), and combined sewers.

What is a sewer service diagram?

A sewer service diagram shows the private wastewater pipes on a property. Selling agents, conveyancers and property owners use this diagram to check if: the plumbing work on a property has been inspected.

What are the 2 types of sewers?

There are two types of sewer systems in the City: a separate sewer system and a combined sewer system. Separate sewer systems have two separate pipes, with one pipe conveying stormwater from and one pipe conveying sanitary sewer. Combined sewers have one pipe that conveys a mix of sanitary and stormwater.

What are two types of sewage system?

There are two types of sewage: treated and untreated. Treated sewage: Treated sewage refers to wastewater or sewage which has passed through a treatment plant. Sewage goes through several stages in the treatment process ensuring that all harmful bacteria, pollutants and contaminants are eliminated.

How does a residential sewer system work?

In ideal environments, sewer systems are completely gravity fed, meaning that the pipes slope downward from the source (your toilet) to the wastewater treatment plant. In an ideal sewer system, pipes from each house or building flow into a sewer main that usually runs alongside a road or underneath it.

How do I find my main drain line?

It can typically be found in the basement, crawl space or garage. You will want to search for a pipe that is approximately four inches in diameter with a screw cap on the top that has a notch or square knob at the top. Note that some homes have an indoor sewer cleanout point, while others may be located outdoors.

What is a sewer sideline?

A sewer sideline is a new section of pipe constructed off the sewer main which has been extended to service a property which is not located close to the sewer main, e.g. battle-axe block, or to service properties where multiple new connections are required, e.g. duplex/townhouse development.

What is a sewer boundary trap?

A boundary trap is a pipe that runs from your property, all the way to the main sewer line. It’s the last length of pipe that plumbers are allowed to handle before you need to call in a water services provider. Boundary traps play an important role in sewer networks.