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Discover our range of Sewage Treatment Plants and Septic Tanks

Here you will find a range of sewage treatment plants and septic tanks to meet your requirements and because selecting the ideal system might be challenging, we produce a variety of products to suit an array of budgets, properties and demands.

Our sewage treatment plants employ state of the art SBR technology to thoroughly treat the wastewater before discharging it into the environment. Our septic tanks are made to offer a practical and cost-effective solution for homes without access to the mains sewage network.

Our team of professionals are here to help you find the ideal solution for your property, and we take great pride in providing high-quality solutions. We can offer you the most suitable product for your project, whether you’re a commercial customer, a property developer, or a homeowner.

To take a look at our range of products and find the ideal solution for your requirements, click the icons below.

Would like to discuss your project and see how we can help? Click here

Check out our Wastewater Treatment solutions

Check out one of our latest projects

Discover why people are choosing a GRAF UK sewage treatment plant for their properties.

In this installation video, see firsthand how our system not only delivers the best effluent quality performance but also significantly reduces energy costs. Unlike other systems that run 24/7, the One2Clean operates just 11 hours a day, cutting electricity consumption by half.

Watch now to learn how you can benefit from a more efficient and eco-friendly sewage treatment solution.

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Use our Sewage Treatment Plant Configurator

Need help choosing the right sewage treatment system? Our Sewage Treatment Plant Configurator makes it simple.

Follow just 8 straightforward steps to input details about your project, such as type of development and number of bedrooms, and our tool does the rest. It quickly determines the most suitable type and size of sewage treatment plant for your needs.

This tool is completely free and designed to ensure you select the most efficient and cost-effective solution for your project, helping you meet regulatory requirements and environmental goals with ease.

Key Features

Save on your energy bills

Save on your energy bills

No need to worry about how much your energy bill will go up by as our system use 0.59kW per day – less power than your fridge!

Meet nutrient neutrality

Meet nutrient neutrality

Ideal for properties in nutrient-sensitive areas, our systems consistently achieve one of the highest discharge quality.

Enjoy peace and quiet

Enjoy peace and quiet

Say goodbye to noisy treatment plants. Our system's compressor operates at just 36 decibels - quieter than a library!

Fill out the form below if you have a project and would like advice on the best system for your project.

Contact us

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Frequently asked questions

What types of sewage treatment systems does Graf UK offer?

Graf UK provides a range of systems, including  domestic units and larger solutions for commercial use. Each system is designed to efficiently treat wastewater and reduce environmental impact.

How do Graf UK’s sewage treatment systems work?

Our systems use sequence batch reactor processes to treat sewage and wastewater. We feed natural bacteria in the tank with oxygen. The bacteria break down organic matter, before allowing the solids to settle to the bottom of the tank resulting in treated water that can be safely discharged into a local watercourse or drainage field.

What are the main benefits of using Graf UK’s sewage treatment systems?

Our systems are renowned for their effluent quality levels and low operation costs. In fact our One2Clean system uses less electricity than most other alternatives on the market, helping to keep your operating costs to a minimum.

Are Graf UK sewage treatment systems suitable for my property?

Our systems are versatile and can be installed in a variety of settings, from single households to large commercial sites. Our team can assess your needs to recommend the best solution.

What maintenance is required for sewage treatment systems?

Regular maintenance includes checking mechanical parts, monitoring bacterial activity, and ensuring all components function correctly. Graf UK have a network of accredited service providers who can help maintain and service your system to ensure it operates efficiently at all times.

Are Graf UK’s systems compliant with UK regulations?

Yes, all our sewage treatment systems meet or exceed UK regulatory standards, ensuring safe and efficient operation. Compliance with regulations such as BS EN 12566 is prioritised.

What are the costs associated with sewage treatment systems?

Costs vary based on system size and complexity. While the initial investment may be higher than septic tanks, operational savings and environmental benefits often make it cost-effective in the long run.

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