We propose innovative Process solutions

2 rue du Pont Saint-Jean 28260 Saussay - France
N°TVA : 29800633091

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A company that is specialized in industrial and municipal water treatment, CLS Water proposes a large range of solutions to treat industrial waters in the Eure-et-Loir, all throughout France, and abroad.

It carries out engineering in various fields (pharmaceuticals, cosmetics, food-processing), manufacturing (stainless steel skids), installation and maintenance of water treatment equipment. Our engineers respond to specific and customized needs in sectors such as potabilization, desalination, and auditing existing installations.


Since it was founded, CLS Water strives to make its innovative technologies accessible to its clients in a cost-effective manner.Consulted by key players in the water industry, CLS Water often carries out missions on complex subjects. An international leader, CLS Water is present on three continents

CLS Water has many strengths :

  • A team that is technologically driven with extensive experience and strong engineering know-how.
  • Accompanying project owners, whether in a technical domain or in searching for specific financial aids.
  • A technical position allowing it to propose the very best quality / market price conditions.

Acteur du développement durable et Innovateur


Because it controls water quality, CLS Water is a leading player in sustainable development. To minimize its carbon footprint and thanks to new technologies, CLS Water helps companies cope with environmental requirements that are stricter and stricter..

Trusting us to manage your installations allows you to enjoy innovative and performing solutions so that your tools will last longer, while discovering how to optimize your entire water cycle :

  • Audits and quantitative reports give you a global overview of your input and output flows.
  • A reactive and efficient technical assistance, thanks to our knowledge of your tools, guarantees the continuity of service.
  • Proposals of quantifiable and profitable improvements for your company and environment. Progress plans and cost optimization.
  • Advice for the reliability and securing of your industrial facilities.
  • Knowledge, application and compliance of environmental standards and societal expectations.
  • The analysis of critical points and setting up specific crisis management protocols to allow you to keep your facility up and running in emergency situations.
  • Optimization of water resources.
  • Complete tracability of completed actions.
  • Result contracts including analysis, plans and preventive and curative maintenance actions, technical assistance, advice, audits and supervision.
  • Our frames are assembled internally to minimize production costs for our clients. Helping you turn environmental constraints into a competitive advantage.

Les secteurs


CLS Water’s quality accompanies its clients in many different field :

  • Pharmaceutica
  • Cosmetics
  • Agri-food
  • Potabilization
  • Salt water desalination
  • Chemistry


CLS Water installations manufacture top quality water treatment units with a long-life span, thanks to extensive theoretical and practical knowledge, based on tried and tested technology and components.

Our engineering department is entirely committed to finding innovations and improvements for our solutions and equipment. We optimize our work by closely working with our suppliers and our customers.

Our equipment is very reliable because of our experience and its compact and modular design, which also leads to short delivery times and cost-effective prices.


  • Water Softeners
  • Demineralization systems
  • Mixed bed demineralizers
  • Nanofiltration/ Filtration
  • UV or ozone disinfection units
  • Electrodéionization
  • Reverse osmose units
  • Selective exhange ion units
  • Specific stations
  • Tailor-made mobile processing stations in containers


  • Unhycos
  • Alpine
  • Babcock Wanson
  • Dalkia
  • Inter Cosmétiques
  • RATP
  • Sederma
  • Suez


For additional information just contact our water treatment company. Located in Saussay, France, we work throughout France and internationally.

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