Severn Trent has signed a £100 million contract with MWH Treatment for a new water treatment works - the highest value contract for an individual project the water company has signed in AMP7.

The contract to build the new Witches Oak Water Treatment Works near to its existing Church Wilne site is part of Severn Trent’s £566 million Green Recovery Programme.
The new state-of-the-art water treatment works will help provide up to an additional 89 million litres of drinking water per day to the region. The works will use innovative ceramic membrane technology provided by Nijhuis Saur Industries, that is currently in use in only one other large-scale treatment works in the country.
When, the works will help ensure customers have a more secure and resilient supply for the future, helping mitigate issues with water scarcity as the UK faces hotter summers through climate change, along with population growth.
The project, which is scheduled for completion in 2025, will also see Severn Trent pre-treat water by using floating wetlands – this will help provide a more sustainable and nature-based treatment process whilst also bringing significant improvements in biodiversity.
Chris Wand, Green Recovery Programme Director at Severn Trent said:
“We’re delighted to work with MWH Treatment on this project, working collaboratively and delivering solutions to ensure our customers have a reliable water supply during the longer, hotter and drier summers we’ve been experiencing.
“While it is still important to save water and look after our natural resources, this project will also be less carbon intensive than other traditional solutions.”
Richard Thomson, the Project Director at MWH Treatment for Witches Oak Water Treatment Works, said:
“MWH Treatment is excited to work with long-term client Severn Trent on a project which will deliver crucial water security for approximately 224,000 households.
“A project such as this requires an investment in innovation and a commitment to real collaboration to ensure the project thoroughly integrates design and construction to the highest health and safety standards across the projects supply chain. We will facilitate this collaborative innovation by applying our Digital Delivery Tools including digital surveying, interactive visualisations, intelligent 3D models, rehearsals, and digital field management.”
HUBER Technology UK & Ireland are inviting people to register for their March webinar where they will be providing information about HUBER water intake screens for municipal and industrial applications.

Hear how United Utilities is accelerating its investment to reduce spills from storm overflows across the Northwest.