Latest News

Keep up to date with the latest news on septic tank and waste water issues.

Vortex wastewater systems now exported to Thailand, Indonsesia, Iceland, Nigeria, Mongolia and Papua New Guinea.

WTE Ltd. has just exported 10 FALCON sewage treatment plants to Kurdistan.

These plants range from 12 to 150 populations and form the first part of a major contract with one of Kurdistan's leading wastewater engineering companies.

Doing our bit for UK exports.

Under the new EPP2 regulations, only plants with the EN 12566-3 2005 Certification are allowed to register for an Environment Agency Discharge Permit or Exemption Certificate.

Which plants in the UK have the EN 12566-3 Certificate? - See the list.

Septic Tank Registration In Ireland

Septic tank registration in Ireland. Rules and Regulations explained.

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Soakaway Crates

Soakaway crates must not be used for sewage effluent. The Environment Agency has told us that only methods, materials and systems described in the Building Regulations Section H2 and in the BS 6297 2007, British Standard for foul water soakaways are allowed. As soakaway crates, tunnels, etc. are not in these documents, they are not allowed to be used for septic tank or sewage treatment plant soakaway drainage systems.

  Correctly designed foul water soakaway soakaway crates
Correct foul water soakaway using rigid , slotted pipe (slot side down) bedded on 300mm. deep, 20mm to 50mm drainage stone. Incorrect soakaway crate that is designed for use in a rainwater soakaway. These are not allowed for septic tank and sewage treatment plant soakaways, only for rainwater.

Why Soakaway Crates, Boxes, Concrete Rings and Tunnels are not allowed for sewage effluent

All sewage effluent, even from a sewage treatment plant, contains harmful bacteria and viruses which we must keep out of public drinking water boreholes. These nasty bacteria and viruses are destroyed in a soakaway that is built using drainage stone, but not in soakaways built using soakaway crates and tunnels.

A foul water soakaway has 2 functions:

  • To soak the volume of liquid away into the soil
  • To allow the natural 'friendly' bacteria which grow on the surface of the drainage stone in the soakaway trench, to digest the contaminants, nasty bacteria and viruses, E.Coli, etc. before they enter the groundwater and pollute Water Authority boreholes that supply public drinking water

These friendly bacteria are aerobic - they breathe oxygen - and are only found in the aerobic zone of the soil. This is in the top metre of the ground, as oxygen cannot penetrate any deeper than this.

In order for the nasty bacteria in the sewage to be digested by the friendly bacteria that grows on the drainage stone, there must be the maximum amount of contact between them and the maximum amount of surface area for the friendly bacteria to grow on. Soakaway crates and tunnels provide NO surface area for the growth of friendly bacteria. They only provide a void which stores the sewage water before it drains away into the soil at a depth that is below the aerobic zone of the soil. No secondary treatment by friendly bacteria is possible and E. Coli, etc. pass directly into groundwater, contaminating drinking water supplies.

Soakaway crates and tunnels are only allowed to soak away roof and surface water which is not contaminated and, therefore, requires no further treatment.


VORTEX sewage treatment plant

The VORTEX sewage treatment plant system range from £1550 + VAT. Vortex Sewage treatment plant 6 person


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Please ring for details of the Countries and Counties still available for distributerships.
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