Legionella Control Association

The Legionella Control Association (LCA) is a voluntary organisation whose membership comprises providers of services and products concerned with the control of legionella bacteria in water systems. The primary aim is to keep water systems safe and minimise the risk of cases of Legionnaires' disease caused by poorly maintained systems.

Code of Conduct

ISO 9001

ISO 9001 sets out the criteria for a quality management system and is the only standard in the family that can be certified to (although this is not a requirement). It can be used by any organization, large or small, regardless of its field of activity. In fact, there are over one million companies and organizations in over 170 countries certified to ISO 9001.

ISO 27001

ISO/IEC 27001 is widely known, providing requirements for an information security management system (ISMS), though there are more than a dozen standards in the ISO/IEC 27000 family.

Using them enables organizations of any kind to manage the security of assets such as financial information, intellectual property, employee details or information entrusted by third parties.


The Institute of Healthcare Engineering & Estates Management (IHEEM) is a professional membership organisation specialising in the Healthcare Estates Sector. They are lisenced by the Engineering Council to support individuals achieving CEng, IEng or EngTech status. As the largest UK professional body dedicated to research, education and the professional development of healthcare engineers and facilities managers, its primary purpose is to serve its members by continuously improving and developing the Institute’s offer.

Water Management Society

The Water Management Society (WMSoc) is a not-for-profit membership organisation that has been providing practical and technical training solutions to individuals and companies within the water management industry for over 50 years. Their expertise in Legionella awareness, Legionella and Water Hygiene training enables them to give the most up-to-date instruction on how to prevent Legionnaires’ and other waterborne diseases within various water systems, including cooling towers.

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