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Sewage Treatment Systems

A sewage treatment system, as the name suggests, provides full treatment of incoming sewage to a level that the treated effluent can discharge directly into a watercourse (ditch, stream, culvert etc.)

The method of treating the sewage differs slightly between different systems, but the basic processes are: sewage enters the system - bacteria inside the tank begins the treatment process - solids that cannot break down settle into a sludge - treated liquid waste rises and discharges out of the system. The settled sludge builds up over time and requires emptying from a licensed waste removal contractor. All sewage treatment systems that we supply require some form of power, either for a motor that rotates media discs, or an air blower that aerates the sewage - many systems also come with a control panel and alarm.
Please note we can only deliver sewage treatment systems to the mainland UK.
Browse our extensive range of sewage treatment systems below, and if you have any questions, check out the Sewage Treatment Plants section on our Direct Drainage Knowledge Base. Find your next sewage treatment plant for sale here.
If you need any more information, give our team a call on 01388 537050 or email sales@direct-drainage.co.uk

Klargester BA BioDisc Sewage Treatment System (up to 6 person)
Regular price
from £4,029.00
Sale price
from £4,029.00
Regular price
£4,122.00
Unit price
per 
Sold out
Tricel Novo UK6 Sewage Treatment System (up to 6 person)
Regular price
from £2,100.00
Sale price
from £2,100.00
Regular price
£2,240.00
Unit price
per 
Sold out
Klargester BioTec BTA-1 - P6 (up to 6 people)
Regular price
from £2,607.00
Sale price
from £2,607.00
Regular price
£2,707.00
Unit price
per 
Sold out
Klargester BioFicient 1 (up to 4 bedrooms/6 person)
Regular price
from £2,755.00
Sale price
from £2,755.00
Regular price
£2,944.00
Unit price
per 
Sold out
Harlequin HC6 Hydroclear Sewage Treatment System (up to 6 person)
Regular price
from £2,315.00
Sale price
from £2,315.00
Regular price
£2,450.00
Unit price
per 
Sold out
WPL Diamond DMS2 (up to 6 people)
WPL Diamond DMS
Regular price
from £1,971.50
Sale price
from £1,971.50
Regular price
£2,757.37
Unit price
per 
Sold out
Clenviro MATRIX CLF1 Sewage Treatment System (up to 6 person)
Regular price
from £2,475.00
Sale price
from £2,475.00
Regular price
£2,650.00
Unit price
per 
Sold out
Clearwater BioTec BTAUE-1 Sewage Treatment System (up to 6 people)
Regular price
from £2,006.00
Sale price
from £2,006.00
Regular price
£2,248.00
Unit price
per 
Sold out
Harlequin CAP6 (up to 6 Person)
Regular price
from £2,255.00
Sale price
from £2,255.00
Regular price
£2,345.00
Unit price
per 
Sold out
Clearwater Delta 1 Sewage Treatment System (up to 6 person)
Regular price
from £3,285.00
Sale price
from £3,285.00
Regular price
£3,320.00
Unit price
per 
Sold out
Tricel Novo UK8 Sewage Treatment System (up to 8 person)
Regular price
from £2,295.00
Sale price
from £2,295.00
Regular price
£2,555.00
Unit price
per 
Sold out
Klargester BA-X BioDisc Sewage Treatment System (up to 9 person)
Regular price
from £4,641.00
Sale price
from £4,641.00
Regular price
£4,741.00
Unit price
per 
Sold out
Klargester BioTec P9 (up to 9 people)
Regular price
from £3,106.00
Sale price
from £3,106.00
Regular price
£3,202.00
Unit price
per 
Sold out
Clearwater BioTec E1X Sewage Treatment System (up to 9 person)
Clearwater E1x 9 person
Regular price
from £2,329.00
Sale price
from £2,329.00
Regular price
£2,424.00
Unit price
per 
Sold out
Clenviro MATRIX CLF1A Sewage Treatment System (up to 9 person)
Regular price
from £2,830.00
Sale price
from £2,830.00
Regular price
£2,960.00
Unit price
per 
Sold out
Harlequin CAP9 (up to 9 Person)
Regular price
from £2,585.00
Sale price
from £2,585.00
Regular price
£2,690.00
Unit price
per 
Sold out
Harlequin HC9 Hydroclear Sewage Treatment System (up to 9 person)
Regular price
from £2,645.00
Sale price
from £2,645.00
Regular price
£2,770.00
Unit price
per 
Sold out
Tricel Novo UK10 Sewage Treatment System (up to 10 person)
Regular price
from £2,849.00
Sale price
from £2,849.00
Regular price
£3,100.00
Unit price
per 
Sold out
Klargester BioFicient 3 (up to 8 bedrooms/10 person)
Regular price
from £4,403.00
Sale price
from £4,403.00
Regular price
£4,259.00
Unit price
per 
Sold out
WPL Diamond DMS3 (up to 11 people)
WPL Diamond DMS
Regular price
from £2,584.10
Sale price
from £2,584.10
Regular price
£3,614.15
Unit price
per 
Sold out
Tricel Novo UK12 Sewage Treatment System (up to 12 person)
Regular price
from £3,015.00
Sale price
from £3,015.00
Regular price
£3,170.00
Unit price
per 
Sold out
Harlequin HC12 HydroClear Sewage Treatment System (up to 12 Person)
Regular price
from £3,800.00
Sale price
from £3,800.00
Regular price
£3,950.00
Unit price
per 
Sold out
Klargester BioTec 2 - P12 (up to 12 people)
Regular price
from £3,606.00
Sale price
from £3,606.00
Regular price
£3,686.00
Unit price
per 
Sold out
Clearwater Delta 2 Sewage Treatment System (up to 12 person)
Regular price
from £4,618.00
Sale price
from £4,618.00
Regular price
£4,880.00
Unit price
per 
Sold out