Legionnaires’ disease is the most serious of a group of diseases caused by types of bacteria (Legionella pneumophila). Legionnaires disease is contracted by the inhalation of contaminated water droplets normally in the form of an aerosol which contains the bacteria. The result of exposure can lead to lung infection with flu like symptoms that can in certain high risk groups lead to serious health implications which can be fatal. All premises are at risk of Legionella exposure where water is stored or distributed and is why employers, landlords and dutyholders have a responsibility to assess the risk from water and where appropriate put adequate controls in place as part of their compliance with the Control of Substances Hazardous to Health Regulations 2002 (COSHH).

Course Aim

To enable dutyholders and those responsible for implementing management controls to better understand the hazards, risks and compliance associated with water systems, plant and facilities.

Course Objectives

At the end of this course you should be able to:

  • Appreciate what Legionella is and why there are potential health risks to workers and others
  • Appreciate how Legionella can affect health
  • Recognise the main ways Legionella can become airborne
  • Recognise the common control measures used to reduce the risk of Legionella including risk assessments
  • Appreciate the legal responsibilities of Dutyholders, Responsible Persons and your role in Legionella management and compliance
  • Be aware of the consequences of failing to comply with the relevant legislation and guidance


  • Introduction and about Legionella
  • Risk and Management Control
  • Responsibilities
  • End assessment

Course Duration – 25 Minutes


Suitable for Managers and employees who need a general awareness concerning Legionella proliferation in typical environments, health effects, the controls that can be used to manage the risk of exposure and dutyholders responsibilities.

Additional information

Legionella Awareness Product Guide Download Pdf

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Technical Requirements

Please read our eLearning Technical Specification for information about the technical requirements of our courses.