Legionella and Legionnaires' Disease Awareness Online Course

Legionella and Legionnaires' Disease Awareness Online Course

2-3 Hours2-3 Hours
Interactive Interactive
Cost effectiveCost effective

If you have a man-made water system on your premises, you need to ensure that it is regularly maintained so that it is safe to use and free from harmful bacteria.

Legionella bacteria can cause serious harm to health if not properly controlled. This online course has been developed by health and safety professionals and is approved by CPD RoSPA and IIRSM. Over the course of 2-3 hours, you’ll find out about the legal responsibilities of dutyholders, the process of risk assessments and how to implement appropriate control measures.


By the end of this 2-3 hour e learning course, you will:

  • Understand what Legionella bacteria are and where they come from
  • Recognise how Legionnaires’ disease develops and how it affects people’s health
  • Get up to date with your legal responsibilities in preventing and monitoring Legionella
  • Understand the most common places that Legionella bacteria are found
  • Explain the process of carrying out a risk assessment for Legionella
  • Identify and control the spread of harmful bacteria
  • Have a working knowledge of control measures that can reduce the risks from Legionella
  • Appreciate why it’s important to constantly monitor, review and update Legionella control measures


This online health and safety course covers the following subject areas:

  • What is Legionella, and where does it come from?
  • How people contract Legionnaires’ disease, and who is most at risk
  • Recognising the symptoms and treatment of Legionnaires’ disease
  • Health and safety legislation, COSHH regulations and Notification regulations
  • Reporting of Injuries, Diseases and Dangerous Occurrences Regulations (RIDDOR)
  • The responsibilities of landlords, employees, designers, manufacturers, suppliers, importers and installers
  • The HSE Approved Code of Practice L8
  • Understand the hazardous environments where Legionella is found
  • Water systems – understanding the risks and assessing them
  • Cooling systems, hot and cold water systems and spa pools
  • Recognising hazards, identifying who might be at risk and implementing controls
  • Record your assessment findings, review and update
  • Looking at responsibilities, training and communication for employers and employees
  • Operating, monitoring and inspecting the water system
  • Testing the water quality, cleaning and disinfecting
  • Residential settings – how to control water systems and avoid stagnation


At the end of this course, you will need to take an online exam containing 20 multiple-choice questions. The exam is marked automatically and you’ll find out your results straight away. A pass mark of 85% is required, however, if you are unsuccessful, you can re-take the exam as many times as you need to at no extra charge.

Who is this Course for?

This course is aimed at anyone in control of premises, such as a dutyholder, landlord, letting agent, employer or self-employed business owner. Regardless of the size of the premises, you must be mindful of the dangers of Legionella. Landlords are responsible for organising risk assessments in order to keep tenants from harm.

The Health and Safety Executive's ACOP L8 contains a complete guide to your legal duties. This course covers each duty in detail, to ensure that on completion, you’ll be able to carry out a risk assessment, identify hazards and respond appropriately.

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