Use code SEWAGE5 for 5% off spare parts orders over £250

What is the cheapest Sewage Treatment System we supply?

Our cheapest range of Sewage Treatment Systems is the Clearwater Delta Range, which comes in four size options for population up to 25 person – the Clearwater Delta Range come with a FREE Delivery to site. Clearwater Sewage Treatment Systems are designed to meet both the installation requirements and the standards of discharge specified by BS 6297: 1983. The best designs are often the simplest. So if you require trouble free sewage treatment, you’re sure to be impressed with the Delta. Fluidised, fixed-film biozones are used as the operating process, resulting in a cleaner, quieter and more efficient treatment plant.



You may wish to consider the Clenviro Matrix and Tricel range of sewage treatment systems, all of which come with FREE UK delivery.


At Direct Drainage, we work hard to keep our prices competitive, offering excellent professional service and value for money to our customers. Sewage Treatment Systems are a cost-effective option for domestic sewage disposal which produces effluent quality suitable for discharge directly into a stream or watercourse.


If you need further assistance, get in touch on 01388 537050, email us at or Live Chat with us on the bottom-right of the homepage, and we’ll be happy to help!