Water Treatment

From a long and successful history in onshore thermal and membrane desalination, VWS Westgarth took our specialist water treatment capability offshore some thirty years ago and has gone on to become Veolia Water Technologies offshore water treatment capability centre.

We combine our expertise in water treatment process design, our knowledge of the high specification materials required offshore, with our project management skills to control the many variables and interfaces seen in the combination of the technologies needed to achieve the water quality our clients require. This full system approach gives our clients the reassurance that their water treatment package will meet their performance and reliability goals.

Unrivalled offshore water treatment process expertise.

Complete water treatment system responsibility approach.


In-house engineering and project management.

unmatched experience list, with ~50% of all offshore Sulphate Removal technology references 

In-house proven technologies

Single process system guarantee.

Globe-spanning local presence.

30+ years experience of working in the offshore environment 

A Veolia solution means:

  • One single point of contact for your water system

  • Removal of multiple project interfaces

  • Reduced risk through application of specialist knowledge

  • Improved process reliability

  • Full process control

  • A fully integrated and optimised system offering greater process, mechanical and operational security


Many new and existing projects are exposed to increased risk due to:

  • Complex communication channels when purchasing from multiple suppliers
  • Problems integrating designs from different product interfaces, which can affect the overall system guarantee
  • An ongoing need for new product innovation to improve reservoir                   economics

Veolia’s client commitment continues beyond design and build supply in our through life Services Solutions support offering that incorporates our Hydrex™ chemical range, Hubgrade™ “real time" asset integrity monitoring software, spares management, plant operation and service support, waste management and environmental cleaning services.

Veolia has unrivalled expertise, globe-spanning local presence and resources to make us your ideal partner for all water and environmental needs.

With the foundation of our desalination history, VWS Westgarth provided the first commercial sulphate removal system in 1992, since then delivering some forty plus offshore seawater membrane treatment systems.

VWS Westgarth prides ourselves in delivering to the highest standards and surpassing client expectations both in product quality and customer service.