Septic Tanks Basics & When To Empty The Unit


Septic tanks are predominately used in rural areas, you won’t see them much in cities or busy suburban neighbourhoods. They allow businesses and domestic premises who aren’t connected to a sewage system collect wastewater, it is stored in a tank and must be removed at least once a year. They are also great for property’s that have poor drainage systems.

Domestic Septic Tanks

Septic tanks are usually found underground, although some are stored above. They have a basic system which allows them to store wastewater which is then removed by a professional septic tank emptying company. The unit is connected to a series of pipes, the inlet pipe gathers wastewater long enough to ensure that the liquid and solid waste are separated from each other in the tank. An outlet pipe gathers the recycled waste water and spreads into around the field. After you’ve had your septic tank for a while, it will separate the waste into 3 layers:

  1. Bottom Layer (Layer of Sludge) > This layer contains all the waste that is heavier than water and sinks to the bottom of the tank.
  2. Middle Layer > This is basically made up of wastewater along with other waste particles that aren’t heavy enough to sink to the bottom.
  3. Top Layer > The top layer of your septic tank will contain scum, this is made up of various oils and grease that floats at the top of your unit.

The way the septic tank breaks down solid waste is through the use of bacteria, the bacteria inside the tank decomposes the solid waste so it is easier to remove from the unit.

Tank Maintenance & Cleaning

If you require septic tank or cesspit services in Cornwall or the surrounding area, there are several great companies who perform efficient waste management services for both residential and commercial properties based in the UK. If you’ve a small tank in your home, it is recommended you have it serviced at least once a year. If you’ve a large septic tank which is being used on a commercial enterprise, you may need to have it assessed more often than once a year.

If you don’t have it emptied when needed, you’ll experience problems such as blockages. The tank will also accumulate toxins and other antibacterial compounds that kill the vital bacteria that breaks down your solid waste. If you fail to properly maintain your septic tanks, sludge and solid waste can damage the unit, leading to a system failure. This means your septic tank will get blocked and won’t be able to function properly. If the tank gets blocked, it will overflow, causing putrid wastewater to flow into the surrounding area, this is something you’ll want to avoid.

If you are concerned about your septic tank and you need assistance, call a qualified waste removal company in your area. There are numerous businesses across the UK who specialise in cesspit and septic tank services, they’ve plenty of experience in the industry and they are the best at handling waste in an effective manner.

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