Dorset Drainage

Septic Tanks

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Properties not connected to Public sewers are usually connected to one of the following:

  • Septic Tank
  • Sewage Treatment Plant
  • Cess pit

Unlike cesspits, septic tanks are designed to allow liquors to flow through the tank and enter the surrounding land or water course via a soak-a-way without causing damage to the environment. Waste waters enter the tank and the flow is reduced through a series of baffles allowing the solids to sink to the bottom. Additionally, smaller particles float to the surface creating a scum. By holding the water in the system, suspended solids are removed and much of the sludge decomposes through natural aerobic and anaerobic processes.

In turn the semi-treated liquor is allowed to exit the tank and leach to nearby land via a soak-a-way system.

We would be pleased to give you as much advice as possible regarding any septic tank issue and we can arrange a visit if necessary. We can repair your existing tank system or supply and install a new septic tank


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