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MWH Treatment


MWH Treatment is a leading water sector integrated design build solution provider with a 200 year legacy behind us. As a responsible business our focus is on the safe delivery of sustainable solutions with enhanced resilience that maximise the positive impact on the environment and the communities we serve and live in and ‘Shape a Better World’.

We operate across the UK water industry with 1000 process intelligent, multi-disciplined, engineering, procurement, delivery and commissioning professionals. Our teams are co-located across six major Frameworks, including integrated Joint Ventures and Alliances, supported by our Manchester based support services centre.

Sustainability & Supply Chain

MWH Treatment’s vision is to be the leading sustainable solution provider in the UK Water Industry. As a responsible business our work makes a positive difference to the environment, our clients, their customers and the communities we serve and live in. We live our values through our people and we are also signatories of the SCSS ‘People Matter Charter’.

Our Responsible Business approach is based upon 6 pillars:

  • Health, Safety and Wellbeing
  • Environment
  • Business Processes and Quality
  • Inclusion and Ethical Practices
  • Net Zero Carbon
  • Communities

We have a strong reputation in maintaining high standards of health, safety, environmental and quality management and expect the same of our supply chain.

From 2015 to 2019 we exceeded our carbon reduction target by reducing our carbon emissions intensity (per £million turnover) by 35% and reducing our total emissions by 41%. In 2020 we set an operational Net Zero carbon target by 2030.

Why a Partner?

Collaborating and engaging with our suppliers and subcontractors is a key part of our operations. For 2022 we have become a partner to the Supply Chain Sustainability School to assist us and our supply chain, in providing sustainability self-assessments, workshops, e-learning modules and a carbon calculator tool. This aligns with our company values, our Responsible Business approach, assisting in our Net Zero ambition and contributing to the Sustainable Development Goals.

MWH Treatment’s Recommended Resources..

Energy and Carbon
Energy and Carbon