Sewage Treatment System Options and Costs
Off-Mains Sewage Treatment Options
A Cesspool is an enormous, fully sealed underground wastewater holding tank having only an inlet and no outlet. A cesspool is designed to hold all sewage and wastewater effluent and does not carry out any treatment of the sewage whatsoever.
Many people to refer to their septic tank as a "Cesspit". You MAY have a cesspool or it may be a septic tank. If it has an outlet, irrespective of the size of the tank, it is a septic tank, not a cesspool.
A cesspool (cesspit) simply stores sewage and can only be emptied via a suction tanker.
The installation cost and annual running cost of a cesspool is prohibitive.
Cesspool units should only be installed as a last resort where a septic tank or treatment plant would not be suitable. Running costs for a family of 4 are about £7000 to £9000/year
We always consider the options that are available to your site and we can give a report and quotation for the preferred system.
Septic Tank systems used to be the common method of treating sewage in rural areas. They are now only usually acceptable for small-scale developments up to 15 persons. They consist of a holding tank which partly breaks down the solids by anaerobic bacteria before discharging the liquid effluent through the outlet pipe into a septic drainfield soakaway.
Unfortunately, the effluent they produce is very polluting and can ONLY be discharged into a septic drainage soakaway, if the ground conditions allow.
The septic drainage soakaway alone usually costs between £2000 and £5000 to construct. You cannot discharge to a watercourse from a septic tank, nor can you allow the effluent to leak into a watercourse as the fines are enormous.
Sewage treatment plants have replaced septic tanks. They clean the wastewater to a high standard and the effluent can be discharged either to a soakaway, if the ground conditions are suitable, OR to a watercourse with Environment Agency Consent. The effluent is non-polluting if the plant is used and maintained correctly.
There are many different types available, including the FilterPod non-electric sewage treatment plant.
Typical installation costs are between £1500 and £8000, depending on the type of plant.
The lowest cost sewage treatment plant in the UK is the VORTEX™ wastewater system from £1520 + VAT.
Please click on the link below for full details of costs, types available, pro's and con's etc. of all the sewage treatment plants and options available.