How Do Septic Tanks Work?

You already know that when you flush the toilet,surrounding the property.
pour water in your sink or empty the tub theAn Outline of the Septic System
water goes somewhere. But have you everBelow is a general outline of the main components
stopped to think about where it goes or whatof any septic system:
happens to it? Large cities have equally large and- Sewer line - this is the main waste line leading
complicated sewage or water treatment systemsfrom your home's plumbing to the septic tank
designed to salvage as much of the useable- Septic tank - this is the underground tank that
water from the waste as possible. If, however,receives and treats your home's waterwaste
you are like 25% of Canadians and you live in a- Leaching system - this is the drainage system
smaller or rural community, you are more likely tothat allows for waste effluent to be dispersed into
have a septic system on your property than youthe soil
are to share a sewer with neighbors.Now that you have a basic understanding of how
What is a Septic System?a septic tank works, you should note that if you
A private onsite septic system is designed to beare considering buying a home with a septic tank,
functional and sanitary. It basically receives all theyou should inspect the tank before investing in
water waste that is expelled through your home'sthe home.
plumbing and treats it to extract the useableBeware of Old Septic Tanks
water waste that can be absorbed by the soil onBecause buying a home is a huge investment, you
the property. In a nutshell, a septic tank separateshave a home inspector inspect the property
solid waste from liquids. The solid waste is storedbefore you close the deal. Similarly, septic
in the septic tank. Solid waste exists in two formssystems are very expensive, and thus, you
- a top layer of grease referred to as scum, andshould make sure to inspect the system properly
a bottom layer of solids more commonly knownor have it inspected so that you know what you
as sludge. In a septic tank, the liquids that areare getting into. If your home is older, it may
separated from solid waste are called effluent andhave a septic tank made out of steel or wood. If
they are dispersed throughout the soil on thethat's the case, you will definitely be looking at
property by a mechanism called a leachingreplacing that septic tank.
system. The leaching system is a part of theTanks made out of steel inevitably rust and end
septic system, which is often buried just a fewup needing to be replaced. Similarly, septic tanks
feet away from the septic tank. The leachingmade out of wood will end up rotting and also
system helps the effluent flow from the septicneeding to be replaced. These days, septic tanks
tank into the soil.are manufactured out of concrete, fiberglass or
In a Nutshell?polyethylene. These materials have proven to be
A septic tank receives the wastewater thatmore durable and efficient. If the home you are
comes from regular use of household plumbingconsidering buying has an older septic tank made
and treats it until it is at a safe environmentalof wood or steel, you can decide to use it as a
level. Then the septic ank returns the serviceablenegotiating point or move on to a different house
portion - known as the waste effluent to the soilto save yourself the headache.