Digger excavating hole for a septic tank conversion unit

SEPTIC TANK CONVERSION

WHY INSTALL A SEPTIC TANK CONVERSION?

If your septic tank is functioning correctly, installing a septic conversion unit is an economical method for meeting the new General Binding Rules and upgrading your system. This conversion unit can transform a contaminated septic tank into a fully operational sewage treatment plant, without the need for replacing the existing tank or constructing a drainage field.

WHAT DOES IT DO?

By connecting to an already existing septic tank, the septic conversion unit serves as a secondary treatment phase. This system treats the wastewater to a satisfactory level, allowing for its safe discharge into surface water.

HOW DOES IT WORK?

When effluent from the pre-existing septic tank moves to the septic conversion unit, it is treated within the aeration chamber. During this process, dissolved components are removed, and microorganisms break down the waste to a level that meets the requirements for safe discharge.
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Marsh Septic Conversion unit cutawayMarsh Septic Conversion unit linked

Marsh Septic Conversion (Uni:Gem)

WHAT NEXT?

Now that you have made the decision to install a septic tank conversion unit we would a suggest that you take a look at the General Binding Rules to make yourself aware of the rules and regulations surrounding wastewater, or take a look at our Frequently Asked Questions page
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1 WE WILL EXAMINE YOUR EXISTING SYSTEM

There are many factors that will affect the suitability of any septic tank conversion unit to your property including the size and position of your existing tank, the proximity of the intended install point to any buildings, the porosity of the ground and the location of the discharge point to surface water. Most importantly we need to ensure your existing septic tank is watertight and not leeching pollutants in the surround ground.
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2 WE WILL DESIGN THE SYSTEM

The results from your site survey will inform the design of your system. Many shapes and sizes of septic tank can be converted into a treatment plant provided they remain watertight. The following tanks are generally appropriate to convert:
  • Onion shaped septic tanks
  • Multi chambered brick built septic tanks
  • Single chamber septic tanks
  • Tanks made from concrete rings.
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3 INSTALLATION

Our team will excavate a hole near the current septic tank and construct a base for the conversion unit to be placed. When the unit is in-situ the hole is back-filled with concrete and finished with topsoil and seeding.
The conversion tank will be connected to a permitted watercourse through either a gravity-fed or pumped piped system, and the area will be covered with topsoil and seed finish
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4 OPERATION

Regular maintenance and cleaning of both the septic tank and conversion unit is crucial to prevent foul water from being discharged into the ground and polluting nearby watercourses. It is recommended to check both units annually and make any necessary repairs.
In addition, like septic tanks and sewage treatment plants, your units should be cleaned every year and the sludge removed by a registered waste carrier to ensure their proper functioning.

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Mini digger excavating trench with protective tracks on the grass
Man installing a cover on concrete manhole rings
Excavated hole around domestic sewage treatment plant being backfilled with shingle