Water and Wastewater Engineering Excellence

Welcome to Purestream, your trusted partner in comprehensive water and wastewater solutions. Our specialised teams deliver precise engineering design and consultancy through Purestream Design, and advanced wastewater treatment technologies and process solutions through Purestream Process Solutions. We ensure tailored, reliable outcomes that meet your specific requirements.

Purestream Design.

We specialise in engineering consultancy, innovative project delivery, and bespoke infrastructure solutions, Purestream Design harnesses decades of expertise to provide technically precise, sustainable designs and effective project management. From initial concept to detailed execution, our experienced team ensures compliance, efficiency, and quality across sectors including municipal, industrial, healthcare, and clean energy.

Purestream Process Solutions.

We deliver complete, end-to-end treatment systems for wastewater and trade effluent across industrial, municipal, commercial and residential applications. We specialise in the design, supply, hire and integration of proven technologies including submerged aerated filters (SAF), lamella settlement tanks, tertiary solids removal systems and tailored modular packages. From urgent temporary deployments to full turnkey permanent installations, our team ensures technical precision, seamless delivery and long-term compliance. Formerly Setfords Technology, we bring decades of experience and trusted performance to every project under the Purestream brand.

Markets We Serve & Why We’re Different

Purestream delivers end-to-end integrated water, wastewater and clean energy solutions across a range of sectors, with a particular focus on supporting municipal and utilities clients. We understand the operational, regulatory and performance pressures facing the industry and provide flexible support to meet them.

From concept design and permitting through to installation, commissioning and ongoing optimisation, our expertise covers every stage of the project lifecycle. We also support industrial, commercial and residential clients with both permanent infrastructure upgrades and rapid-response modular systems.

Led by chartered engineers with decades of sector experience, we combine technical depth with commercial focus — helping our clients reduce risk, maintain compliance and unlock long-term value.

  • Municipal Water & Wastewater

    Driven by legislative change, regulatory compliance with ageing assets and ever tightening budgets within the asset management cycle, water utilities operate in a challenging market. Purestream Industries hold a wealth of experience in the challenges of brownfield site works , which has lead to our comprehensive range of services and products to assist our clients. We can provide solutions and support from the operation of existing assets through to identification of upgrade requirements  and process optimisation, supplemented with the facilities to supply temporary treatment equipment.

  • Renewable Energy

    Change is nothing new in the energy sector….but the imperatives are now stronger than ever, not least to drive down carbon emissions and regenerate our natural and urban areas. The speed of change is also more rapid in a digitally-enabled world. Ultimately, successful businesses and corporations will be based on net-zero emissions and many organisations and projects are looking into innovative solutions to accelerate this transition. Whether you are looking to lead and disrupt or simply keep pace with relevant trends, Purestream Industries can assist with a range of technical solutions.  

  • Industrial

    Industrial clients are required to stay up to date with an ever-changing range of health and safety, as well as environmental regulations, and our clients trust us to ensure their operations remain consistent, efficient, and safe. Purestream Industries offers a comprehensive range of industrial water, wastewater and trade effluent management solutions to support commercial, manufacturing and other industrial facilities. Our services also include water recycling technologies, helping clients reduce consumption, lower effluent charges, and meet sustainability targets by reusing treated water wherever feasible.

  • Health Care

    With a duty of care for employees and vulnerable individuals, healthcare organisations face rigorous regulatory standards to ensure their water and waste systems are safe and hygienic. Purestream Industries offers a comprehensive range of water management solutions for healthcare and objectively position ourselves to be trusted experts to help our clients safeguard and improve their water and wastewater systems.

Our Services

  • Design

    Purestream are specialists in designing and delivering tailored water, wastewater and clean energy projects for clients across all sectors. Our services cover everything from concepts to approvals and compliance, helping clients optimise performance and achieve long-term value. Contact us to learn how Purestream Design can support your next project.

  • Process Solutions

    Purestream are specialists in lowering trade effluent charges for commercial and industrial effluent producers that are billed by their sewerage utility. These solutions can be also include water reuse technology to maximise the benefits to our clients.  Contact us to find out about financed packages using Purestream products to reduce your monthly bills.

  • Equipment Hire

    Purestream offers modular treatment solutions for temporary water and wastewater needs, helping clients maintain performance and compliance. Our systems can be deployed quickly and integrated with existing assets or other hire units. Contact us to discuss flexible hire options using Purestream technologies to safeguard your operations.

Whether you hire or buy, we make your project simple with end-to-end solutions.

Designed. Delivered. Installed. Commissioned. Our turnkey solutions cover civils, M&E, and everything in between — ready for immediate use.

Purestream Design: Expert engineering and consultancy to plan, design and deliver water, wastewater and clean energy projects.

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Purestream Process Solutions: Proven treatment technologies, modular systems and turnkey solutions for water and wastewater applications.

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Purestream Design: Expert engineering and consultancy to plan, design and deliver water, wastewater and clean energy projects. 〰️ Purestream Process Solutions: Proven treatment technologies, modular systems and turnkey solutions for water and wastewater applications. 〰️

Purestream structure their work processes to internationally-recognised standards (ISO 9001, 14001 and 45001) ensuring safety, efficiency and quality is embedded within all our solutions and services. Of specific importance is the ISO 45001, which specifies requirements for an occupational health and safety (OH&S) management system, and our water treatment plant hire service is based on the guidance of ISO 45001 with the intention of improving the safety and health of both employees and other personnel.

Water and Wastewater Engineering Excellence

Contact us.

Better yet, see us in person!

We love our clients, so feel free to drop us a line during regular business hours, and we will ensure that we come to your offices at the next available opportunity.

UK Office Locations: London, Manchester & Portsmouth.

0161 248 9922 / info@purestreamdesign.com

Purestream is an OCU Group company.

8 Greek Street, Stockport. SK3 8AB

As an OCU Group company, Purestream is now part of a broader network, offering unique infrastructure services in utilities, digital and energy transition markets.