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Water & Wastewater Engineering Consultants

Sweco’s dedicated team of water & wastewater consultants strive to achieve lowest TOTEX solutions with minimised environmental impact for our infrastructure projects in the water sector.

Our project teams carry out a rigorous transparent optioneering process to deliver feasible and robust solutions. We work to meet financial, risk, legislative and regulatory constraints, all within a TOTEX environment.

Our sustainability-first approach

Our water and wastewater services engineers combine creativity with the latest technologies, using industry standard software, whether for a legislative feasibility study, or collaboratively developing an alternative engineering solution.

Sweco’s environmental commitment is reflected in our projects, and we strive to minimise embedded carbon by promoting surface water separation schemes, maximising off-site manufacture, utilising recycled materials e.g. plastic covers and chambers and promoting no-dig trenchless solutions and the use of stabilised material for reinstatement.

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

Our consultants combine creativity with the latest technologies, using industry-standard software, to deliver alternative, sustainable solutions.

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.​