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In March 2024, the Health and Safety Executive published the first significant revision to HSG274 Part 1 since the guidance was originally issued in 2014. If you operate or have responsibility for an evaporative cooling system, whether that's a cooling tower, an evaporative condenser or a hybrid dry/wet system, this update affects you, regardless of whether you're running a full-scale legionella management programme or simply keeping on top of a single unit. It's worth saying

The HSE's HSG274 Part 1 update brings new testing, inspection and RPE requirements for cooling systems. Here's what duty holders need to know.

A building can fail its first occupants before they even move in if the water system isn't properly managed from day one. When we think about building safety, most minds go straight to structural integrity, fire systems, or HVAC performance. Yet one of the most persistent and invisible risks in any refurbishment or new build lies in water management. If neglected, the consequences can be both serious and costly to resolve. Across the UK, waterborne bacteria such as Legionella

Six weeks of summer holidays sounds like a well-earned rest for staff and pupils. For a school's water systems, it's something closer to the opposite. Empty buildings, reduced usage and warm weather create exactly the conditions Legionella bacteria need to establish themselves, and the risk doesn't announce itself until taps are turned back on in September. Because schools are workplaces, they fall under the Health and Safety at Work Act 1974, which requires management to ens

Why Legionella Risk Assessments Matter Legionella bacteria is the cause of Legionnaires' disease, a severe and potentially fatal form of pneumonia. Outbreaks are reported across the world every year, and the fatality rate typically sits between 10 and 30 per cent. The risk is manageable, but only if it is properly understood, assessed, and controlled. That responsibility falls on the duty holder. Whether you are an employer, a building owner, or someone in control of premises