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Water Treatment Consultants

The efficient, reliable treatment of drinking water remains a constant, pre-requisite for all suppliers, while meeting the challenges of continuous supply, cost efficiency and funding innovation.

Sweco works in water treatment facilities, providing analysis, optioneering, and full support for clients, all in a TOTEX environment.

Innovation meets insight

We offer design solutions, expert advice, from root cause analysis and option studies, through multi-disciplinary detailed design and plant optimisation. We achieve this using modelling, risk methodologies and asset management lifecycle tools for robust solutions. Clients can also benefit from our wide-ranging experience in communications and stakeholder management.

Our water treatment projects on surface sources can vary from small works on remote Scottish Islands, to the complex plants that serve our major cities, drawing on our process knowledge and expertise for treatment of varied issues, from high colouration and agricultural pollution, to nitrates and algal blooms.

We draw on our people and expertise from right across Europe, able to cover a wide range of both established and emerging technologies and to identify the right options for our clients to make informed decisions which best supports their business requirements. Our solutions are efficiently delivered often in collaboration with our clients and construction partners all within a BIM based environment.

We can also provide lifecycle expertise across the full water engineering spectrum, including water and wastewater infrastructure and flood resilience.

Drawing on expertise from across Europe, and utilising both established and emerging technologies, we help our clients make the best decision that supports their business needs. Working together, we make a positive difference.

Stewart Evans Head of Engineering


Together with our clients and the collective knowledge of our 21,000 engineers, consultants and other specialists, we co-create solutions to address urbanisation, capture the power of digitalisation, and make our societies more sustainable.​ With international multi-disciplinary teams, we can call on the right insight and technical capability at the right time from across Buildings, Infrastructure, Advisory & Planning and Compliance.​