How Many Legionella Species Exist?

How Many Legionella Species Exist & Which Ones are Dangerous?

While there are more than 50 different recognised Legionella species, less than half of those can cause illness in humans. However, while around 20 species are known to be harmful to us, just one has been identified as the cause of most outbreaks of Legionnaires’ disease. Learn more ...
Practical Guide to Controlling Legionella in Water Systems

Practical Guide to Controlling Legionella in Water Systems

One could be forgiven for becoming overwhelmed at the number of tasks required to control the levels of Legionella bacteria in a water system. However, there are some essential steps that should make it easier to ensure you cover all the salient points when assessing and controlling legionella risks in your own water systems.
Do Ice Machines Spread Legionnaires Disease?

Do Ice Machines Spread Legionnaires Disease?

Ice machines and chilled water dispensers are becoming increasingly popular both at home and in the workplace where they are used for a variety of purposes. At first glance, the freezing water temperatures used to create ice would suggest that opportunities for bacterial growth would be very limited and so the risks to people using them insignificant. However, this may not always be the case ...
Controlling Legionella in Paper Mill Water Systems

Controlling Legionella in Paper Mills

Pulp and paper mills incorporate many processes that use water as part of their operation and this can increase the risks associated with Legionella bacteria and Legionnaires’ disease. Here we review guidance issued by PABIAC, supported by the Health & Safety Executive, dealing with the control of Legionella and other bioaerosols in paper mill water systems.
Is your Legionella Control Plan Failing to Protect People?

Is your Legionella Control Plan Failing to Protect?

In the UK every business operating a water system must, by law, assess the risks and then put in to place and maintain suitable safety measures to protect their employees and others from the potential risks caused by legionella and Legionnaires’ disease.
Who is the Statutory Duty Holder for Legionella at Your Business?

Who is the Statutory Duty Holder for Legionella?

No doubt you have heard the term duty holder before. But what does it mean when it’s associated with the control of legionella at your business? Not knowing the answer could leave you exposed to health and safety issues, potential prosecution… it could even jeopardise lives.
Legionella Record Keeping

Legionella Record Keeping – A Guide for Duty Holders

The Health and Safety Executive publishes plenty of useful information concerning legionella record keeping involving the monitoring and maintenance of water systems such as hot tubs, cooling towers, and hot and cold water distribution systems within premises of many kinds. Understanding how legionella bacteria spreads, how this can be prevented (or at least controlled), and recording what control
How to Check Hot Water Temperatures at Sentinel Taps

Why Legionella Flushing of Taps & Showers is Important

If you own or manage a building in the UK that has a water system of any kind, under current health and safety law you will need to identify the potential risks the system can cause from contamination by legionella bacteria and the potential for Legionnaires’ disease.