Health and Safety Executive

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Legionella and Legionnaires' disease

water drop

This site provides information on Legionella and how to control risks from exposure to Legionella from manmade water systems.

It will help employers and those with responsibility for the control of premises understand what their duties are and how to comply with health and safety law.

Health & safety made simple

Important information

For users and suppliers of water treatment systems that use elemental copper for legionella control ie copper ionisation systems, it is important that you read the following information which is effective from 1 February 2013.

Read more on these systems

Are there Legionella risks in my workplace?

There may be a risk of exposure to Legionella if your workplace or premises has one of the following:

Risks in your workplace

Your duties – what you need to do

As an employer, or someone responsible for the control of premises e.g. a landlord.you should ensure you do the following:

Your duties

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Updated 2013-01-17