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iAS Legionella Responsible Person

The ‘Responsible Person’ is identified in the HSE's Approved Code of Practice and Guidance document L8 as someone with day-to-day responsibility for controlling any identified risk from Legionella bacteria.

Employers and those who control premises with any type of hot/cold water services must identify and assess sources of risk; prepare a scheme for preventing or controlling the risk; implement, manage and monitor precautions; keep records and appoint a person who is managerially responsible.

The L8 ACoP sets out legislative obligations and states that those involved in legionella management: 'should have such ability, experience, instruction, information, training and resources as to allow them to carry out their tasks'. On successful completion of this course the delegate can be regarded as a competent person.

Designed for

Those appointed to carry out the control measures and strategies and requiring training to a standard which ensures that tasks are carried out in a safe, technically competent manner.

Local authorities, universities, schools; military installations, housing associations, property companies, charities, hostels, landlords renting in the private sector, managing agents; hoteliers, bed & breakfast, guest houses, holiday camp owners, caravan, camping, site owners, cruise ships.

  • Personnel designated as the responsible person for the management of water systems 
  • Managers overseeing water hygiene contractors 
  • Maintenance personnel and health and safety personnel looking to become competent in legionella control 
  • Facilities Managers

Aims and Objectives

On completion of the programme students will be able to:

  • Understand where duties and responsibilities are as set out in the ACoP L8
  • Review the types of water systems and their potential for legionella
  • Describe the conditions required to allow legionella to proliferate within a water system
  • Understand how to quantify risk and the importance of identifying people who may be more affected by legionella and those who could be more vulnerable
  • How to plan, record and report on risk assessments
  • Recommend suitable controls to eliminate/control risks
  • Know how to monitor and review the assessments


  • Course introduction
  • History and facts about legionella and Legionnaires' disease 
  • Understanding ACoP L8 The control of legionella bacteria in water systems 
  • The impact of failing to conform 
  • Assessment of systems at risk Domestic (Hot and Cold) water systems 
  • Cooling towers and heating, ventilation and air conditioning (HVAC) equipment
  • Other water systems (showers, spas, jacuzzis, fountains, humidifiers)
  • Planning for and conducting risk assessments
  • Choosing a method for the risk assessments e.g. BSRIA system
  • Designing and implementing the written scheme
  • Record keeping, monitoring and management of the systems, after the risk assessment
  • Management and control of contractors
  • Legionella risk assessment practical exercise
  • Written assessment


In order to attain the iAS Legionella ‘Competent Person’ Certificate, learning is assessed by a 30 minute multi-format written assessment. 

Successful students will be awarded the Legionella ‘Competent Person’ Certificate to recognise their achievement and a licence card containing their photograph.

Classroom based taught courses

You can study by attending a classroom course, involving face-to-face teaching at our prestigious Midlands venue or we can provide similar courses at your premises through our in-house services.  We have a method of study that suits your availability and commitments.


This course is run on an in-house basis. Please contact us to learn more.


£159 + VAT per delegate

Includes iAS assessment, certification and registration fee.


ACT Head Office
ACT Head Office
ACT Associates Ltd Victoria House 32 Lower High Street Stourbridge DY8 1TA