Legionella Risk Assessments
Legionella bacteria is responsible for the potentially fatal respiratory condition known as Legionnaires' disease. This remains a significant health threat in commercial buildings and residential properties, with an estimated 200-250 confirmed cases each year in England and Wales, and possibly many more undiagnosed.
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About the service
If you are an employer, or someone in control of premises, including landlords, you must understand the health risks associated with Legionella, At Pure Air and Water Compliance Services, we specialise in Legionella risk assessments to help businesses and property managers ensure the safety of their water systems. Legionella bacteria can thrive in various water environments, and our expert assessments are designed to identify potential risks and ensure compliance in accordance with ACOP L8 and BS 8580-1:2019.
During our assessment, we will conduct in-depth surveys around the building, ensuring any and all potential risks of Legionella are minimised and removed. We will also advise on the best measures to take in the future. Our assessment checks environments where Legionella could thrive, particularly in water systems that are ideal breeding grounds for these harmful bacteria.
What's included?
We’ll identify, manage and minimise the risk of Legionella bacteria in water systems during our assessment.
All water systems on the premises are identified and mapped, including hot and cold water systems, and any other areas where water is stored, circulated, or used such as storage tanks, pipework, outlets, pumps. Other components are visually inspected.
Legionella bacteria thrive in water temperatures between 20°C and 45°C. The assessment includes checks to see if water is kept within these temperature ranges. Stagnant water can encourage bacterial growth, and we also identify conditions that promote the growth of Legionella, such as limescale, corrosion, or biofilm.
We review how water is used throughout the premises, looking at frequency and flow rates that could impact the risk of Legionella growth and evaluate any current Legionella control methods, such as water treatment processes, temperature controls, cleaning processes and regular system flushing.