Legionella Control Measures, Monitoring and Recording

Video 20 of 24
1 min 52 sec
English
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Legionella bacteria can cause legionnaires disease, a serious form of pneumonia, which can be fatal in some cases. As a result, it is essential appropriate measures are taken in to control the risk of Legionella in water systems. In the UK various regulations and guidance exists to manage the risk. One of the most crucial steps in managing the risk of Legionella is to implement control measures to prevent the growth and spread. Such measures include keeping water systems clean and free of sediment, maintaining temperatures outside the range of 20 to 45 degrees C, ensuring that water is not allowed to stagnate and regular disinfecting of water systems. These control measures must be carried out by competent personnel, who should have the appropriate training and experience in this area.

Another essential aspect of Legionella control is monitoring and recording. Monitoring should be formed to identify whether the control measures are effective or not, for example, regular checks of water temperature and flow rate, bacteria sampling and other testing can help identify potential issues. Recording is necessary to ensure the control measures and monitoring activities are being carried out correctly, as well as to provide a record of any issues that have been identified and addressed.

The UK have several codes of practice and guidance to support the implementation of Legionella control measures and monitoring, including the Health and Safety Executives Approved Code of Practice guidance documents from the Chartered Institute Environmental Health. These resources provide a central guidance on the management of Legionella risk, including practical advice of control measures and monitoring.