Prevent Legionella Bacteria Over Christmas!

prevent legionella bacteria

As the Christmas holiday break approaches, many businesses and organisations prepare for the annual Christmas shutdown. While it’s important to take a break, relax and recharge, it’s also important to consider the maintenance and management of your water systems during this time to prevent legionella bacteria.

What’s the most important aspect to consider to prevent legionella bacteria?

One important aspect to consider is the potential for the growth of legionella bacteria in your water systems. Legionella bacteria is a type of pathogen that can cause a serious and potentially life-threatening type of pneumonia called Legionnaire’s disease. While the risk of contracting the disease is relatively low, it is important to take steps to prevent the growth and proliferation of the legionella bacteria in your water systems.

What are the best ways to prevent legionella bacteria growth?

There are several ways to prevent legionella bacteria growth in your water systems during the Christmas shutdown.

Prevent Legionella Bacteria

First and foremost, it is important to properly maintain and clean your water systems before the shutdown.

This includes regularly flushing and disinfecting your water tanks and pipes, as well as regularly cleaning and disinfecting showers, taps, and other water outlets. By properly maintaining your water systems before the shutdown, you can help to reduce the risk of bacteria growth during the shutdown period.

Another important step is to ensure that your water systems are properly drained and dried before the shutdown.

This can help to prevent the accumulation of stagnant water in pipes and tanks, which can provide a breeding ground for bacteria. If possible, it is a good idea to isolate and drain individual water outlets or systems, rather than shutting off the entire water supply. This can help to prevent the accumulation of stagnant water in isolated areas.

It’s also a good idea to consider installing water treatment systems, such as UV filters or chlorine injection systems, which can help to kill and prevent the growth of bacteria in your water systems. These systems can be especially useful during the shutdown period, as they can continue to operate even when the water supply is not in use.

Another important consideration is the temperature of your water systems during the shutdown.

Legionella bacteria thrive in warm, stagnant water, so it is important to ensure that your water systems are kept at a low temperature during the shutdown period. The hot water can be turned off over the holiday period so the water will fall below the 20 Degrees Celsius of a cold water supply in line with a weekly flushing regime.

It is also important to consider the risks associated with reopening your water systems after the shutdown period. When water systems have been inactive for an extended period, there is an increased risk of bacteria growth.

To minimise this risk, it is important to properly flush and disinfect your water systems before bringing them back online. This may involve flushing the water from your tanks and pipes, and then adding a disinfectant to the water supply before reopening your water systems.

Important things to remember to prevent legionella bacteria- In summary!

In summary, managing your water systems during the Christmas shutdown is important for preventing the growth and proliferation of legionella bacteria. By properly maintaining and cleaning your water systems before the shutdown, ensuring that they are properly drained and dried, and installing water treatment systems, you can help to reduce the risk of bacteria growth and keep your water systems safe and healthy. 

By taking these steps, you can help to protect your employees, customers, and stakeholders, and ensure that your water systems are ready to safely and effectively serve your needs in the coming year

If you need help with identifying your legionella risks or need assistance with managing your legionella treatment works contact us at info@acornhealthandsafety.co.uk or on 01604 930380.


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