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+353 (01) 482 5886


Aeon Environmental is a leading independent environmental, acoustic and occupational health & safety consultancy working throughout Ireland and Northern Ireland.



Head Office: Sandyford, Co. Dublin, Ireland

(01) 482 5886

Legionella Risk Assessment

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Legionella Risk Assessment

Legionellosis is the term used to describe infections caused by Legionella pneumophila and other bacteria from the Legionellaceae family.

Among these infections is Legionnaire’s disease, a form of pneumonia which can have serious effects on lungs and other organs. Infection is attributed to inhaling legionellae, commonly through inhaling airborne water droplets. Legionellae are common in natural sources of water and can enter man made systems & services, where they can multiply significantly under certain conditions.

The Safety, Health and Welfare at Work Act 2005 (S.I. No. 10 of 2005) requires the management of risks from Legionella exposure to workers. Aeon Environmental can carry out Legionella Risk Assessments, including sampling for the presence of legionella bacteria, to assesses and control the potential risks of Legionella growth within on-site water systems. Our risk assessments are undertaken with reference to the following guidance:

  • Health Protection Surveillance Centre document ‘National Guidelines for the Control of Legionellosis in Ireland, 2009’
  • UK HSE document L8 ‘Legionnaires disease: The control of legionella bacteria in water systems 2013

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