Why the MATRIX Sewage Treatment System is the Smart Choice for Off-Mains Wastewater Solutions

Written By Dan Candlish
MATRIX Sewage Treatment System Installation, manufactured by Clenviro for all off-mains applications. MATRIX is the number one smart choice.

Designed for Off-Mains.

Built for Compliance.

Whether you're installing for a New Build or upgrading a failing septic tank, MATRIX systems are designed with British regulations and real-world challenges in mind. They are both compliant and compatible with:

  • BS EN 12566-3 - The European standard for small wastewater treatment plants

  • UK Building Regulations Part H - Ensuring safe and effective effluent disposal

  • Environment Agency's General Binding Rules - Avoiding the need for permits if properly specified and installed

  • British Water's Flows & Loads - Accurate sizing based on actual use

This means property owners and developers alike can be confident in meeting legal obligations without the delays or costs of seeking additional environmental permits.

Efficient, Proven Wastewater Treatment

MATRIX systems consistently deliver exceptional effluent quality:

  • BOD: 11 mg/l

  • Suspended Solids: 16 mg/l

  • Ammoniacal Nitrogen: 7 mg/l

  • Treatment Efficiency: 96.2%

These results meet and often exceed UK discharge standards.
MATRIX Topas Plus units go further, removing nitrogen and phosphates to <1 mg/l for compliance with nutrient neutrality policies.

Containerised & Modular for Remote Locations

Special containerised MATRIX systems for International export.

Ideal for:

  • Rural communities

  • Temporary site compounds

  • Emergency or humanitarian use

Systems scale up to 5,000+ PE, serving individual homes, industrial estates or even full communities.

Installation Made Simple

Off-mains sites often face installation challenges. MATRIX systems address these with:

  • Lightweight, durable polypropylene tanks

  • Variable invert depths

  • No internal moving parts

  • Optional integral pumped outlets

  • Trafficked covers

  • Shallow depths

  • Bespoke designs

These features minimise installation time, reduce cost and ensure reliable performance.

Sustainability and Long-Term Value

MATRIX systems are designed for low maintenance and high reliability:

  • 25-year structural warranty and 1-year warranty on electricals

  • Simple yet effective treatment process with no moving parts

  • External compressor housing for accessibility

  • Energy-efficient operation

  • Stress-free emptying only once every 12–18 months

Conclusion: The Complete Off-Mains Package.

From Farmhouses in Devon to Eco lodges in Eastern Europe, MATRIX offers unmatched flexibility and performance. Certified to the highest UK standards, it's the reliable solution for modern off-mains wastewater treatment.

Get in touch with the Clenviro team today to learn more.

Dan Candlish