AECOM Named Exclusive Design Partner for £340M Oxford Sewage Treatment Upgrade
ACM•AECOM has been selected as the exclusive design partner for Thames Water’s £340 million upgrade of its Oxford Sewage Treatment Works, providing end-to-end civil, structural and process engineering services. The multi-year project aims to boost treatment capacity and enhance discharge quality at the Oxford facility.
1. Contract Scope and Objectives
AECOM has been appointed as the exclusive design partner for Thames Water’s £340 million upgrade of the Oxford Sewage Treatment Works, responsible for detailed civil, structural, mechanical and process engineering design. The project will expand treatment capacity and improve effluent quality to comply with tighter environmental regulations.
2. Strategic and Financial Implications
The award adds £340 million to AECOM’s UK water-sector backlog, strengthening its order book and earnings visibility over the coming years. It also reinforces AECOM’s standing in the sustainable infrastructure market and supports its pursuit of further municipal water and wastewater projects.




