Waste Water Treatment

When it is not possible to connect to a mains sewer, septic tanks are usually the choice for domestic and commercial dirty water waste.

A sewage treatment plant can be an addition to and existing septic tank system or can come combined into more modern septic tanks.  The sewage treatment plant adds the ability to process the dirty water to a point where is deemed clean enough to discharge into the environment.

Where are sewage treatment plants used?

One of the many situations when sewage treatment plants really come into play is when site conditions don’t allow for a large enough soak away or when ground water level is high.

With a correctly specified and installed sewage treatment plant the output drainage water is clean enough to be discharged into a water course such as a stream or river (a permit may be required for this for more information see the Government  & Environment agency website for more details- Septic tanks and treatment plants: permits and general binding rules)

What is the difference between Cesspool, Septic Tank & Sewage Treatment Plant

·         A Septic Tank intercepts your drain water and separated the solid waste from the dirty water.  Using gravity the solid waste drops into the tank and the dirty was water is outputted via the septic tanks outlet to the soak away system to then deal with the dirty water.

·         A Sewage Treatment Plant, or sometimes referred to as a package treatment plant treats the water so that the water it outputs is clean enough to be soaked away into a stream or river.

·         A Cesspit or Cesspool usually found in older properties works inm the same way to a septic tank but is usually a brick built container for the sewage waste.

Septic Tanks Regulations 2020 Change - Are you ready ?

New Septic Tank Regulations In 2020 from Blocked Drains North Wales.

 

There is alot of speculation and scaremungering going around about the new regulations coming into force next year to get straight to the point what is changing in 2020 with regards to septic tanks?


If you have an existing septic tank that discharges in to a watercourse, river, stream etc... you will have to either upgrade to a sewage treatment plant or install a drainage field system , because the discharge from a septic tank isn't clean enough for this kind of use and will cause pollution.

 

What needs to be done to comply?

 

If your septic tank is discharging waste to a watercourse, stream or river  don't need to panic as you still have some time to find a solution through Blocked Drains North Wales, we would recommend the following options:

 

Option 1

Replace existing septic tank for Sewage Treatment Plant that conform to the EN12566-3 then it will be allowed to discharge to a watercourse (you will still need to check to see if your watercourse is in one of the EA's Protected Zones have a look at the EA's Groundwater Source Protection Zones Map) if you need any guidance on the installation and specification of the plants please give us a call and we will provide advise, you will also need a consent to discharge or exemption in place, which we can also help with if required.

 

Option 2 

 

If you have the room and satisfy the results of a perculation test then you may be able to discharge to a drainage field or it is sometimes know as a soakaway instead of discharging directly to the watercourse, River or stream meaning you can keep the existing setic tank.

First you will need to carry out a percolation test, 

If your percolation test are good and you can situate the Drainage Field at the required distance from the watercourse this may be a good option for you.

 

Should you need any additional information or assistance with the new regulations please give us a Call on 0800 316 9964.

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