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what is a cesspit?

What is a Cesspit?

A Cesspit is one of three common waste management systems which collect water waste from a property rather than being connected to a mains sewer system.

All these waste management systems have small differences in their process of collecting and treating wastewater.

Other alternative types of waste management systems are Septic Tanks and Sewage Treatment Plants.

The Cesspit and septic tank are commonly mistaken for being the same system. However, both systems run very different processes when holding/disposing of wastewater.

A Cesspit waste management system tends to store all wastewater collected in a tank found underground in close proximity to the property which is then emptied on a regular basis. In short, it simply stores waste rather than treats the wastewater like its forerunner, the septic tank.

A septic tank waste management system is a far more complex process because it collects, stores and disposes of the majority of the wastewater it collects. This being said, a septic tank still needs to be emptied or de-sludged 1-2 times annually.

Previous to the introduction of the septic tank it wasn’t uncommon to find households with a Cesspit installed.

The frequency you will need to empty a Cesspit will depend on the size of it as well as the number of people living within the property, but you are likely to have to empty the tank on 8 – 10 a year.

You will commonly find cesspit tanks come in the sizes below:

  • 1000 Gallons / 4500 Litres
  • 2000 Gallons / 9000 Litres
  • 3000 Gallons / 13500 Litres
  • 4000 Gallons / 18000 Litres

Find out our cesspit tank emptying cost estimates here.

If you would like to find out more about our cesspit services please click here and fill out one of our contact forms.

How much does a Cesspit cost to empty?

How to know when your cesspit needs emptying

What is a Septic Tank?

A Septic tank is one of three common waste management systems which collect water waste from a property rather than being connected to a mains drainage system.

All these waste management systems have small differences in their process of collecting and treating wastewater.

Other waste management systems are a Cesspit or Sewage treatment plant.

Not dissimilar to the cesspit, the septic tank also collects wastewater, but it holds a more complex service.

The system usually comprises of two chambers. The first chamber holds all incoming wastewater and all solids are ‘encouraged’ to settle at the bottom of the tank where they will be decomposed by the septic bacteria through anaerobic digestion.

Meanwhile, the liquors (liquid) will drain into the second chamber where any suspended particles are again encouraged to settle at the bottom while the remaining liquors are exited into the soakaway system and into the surrounding environment. All other impurities are trapped and eliminated in the soil.

It is important to understand that there are many regulations which need to be followed which are issued by the Environment Agency if your household has, or is potentially going to have, a septic tank installed.

One regulation which is important to this article is the ‘Consent to Discharge’.

Septic Tanks don’t necessarily require for a full empty, however, they do need to be de-sludged on a regular basis. This process removes the solids (the sludge) from the system while making sure there still remains an effective amount of bacteria-laden water for the system to continue to run at an optimal level. 

A septic tank is commonly known as the most cost-efficient waste management system as you only need to de-sludge the system 1-2 times a year.

The size of your tank will potentially affect how much it costs to empty your septic tank.

See the most common sizes below:

 1000 Gallons / 4500 Litres           

2000 Gallons / 9000 Litres          

3000 Gallons / 13500 Litres        

4000 Gallons / 18000 Litres       

If you would to find out more about our septic tank services, please click here to fill out our contact form. 

How much does a septic tank cost to empty? 

How to know when your septic tank needs emptying 

Drainage and wet waste specialists

Room F1, Captain Superintendents Building, Admiralty Way, The Dockyard, Pembroke Dock SA72 6TD.
01646 629089