The Master Plumbers and Gasfitters Association of WA has issued a Media Release, warning of a potential outbreak of Legionnaires disease just when the economy is starting to recover from the COVID-19 lockdown.
Legionnaires' disease is a severe form of pneumonia caused by Legionella bacteria, which thrives in stagnant or slow moving water.
CEO Murray Thomas said, “As the COVID-19 lockdown restrictions ease, it is important that business owners ensure the safety of their building’s plumbing, air conditioning cooling towers and water cooling systems before occupancy resumes.”
This warning applies to all office buildings and other commercial premises that have been empty or only partially used during the lockdown.
Mr Thomas said, "Any water system that has been unused, unmanaged or unmaintained is an ideal breeding ground for Legionella bacteria."
In addition to the risk of Legionnaires’ disease from stagnant or low-flowing water, there is also the risk of gastrointestinal infections and skin infections such as those caused by fungi and Pseudomonas bacteria. There may also be excessive amounts of heavy metals.
A bad or gone-off taste, an unpleasant odour, or slight discolouration are features of water stagnation that could indicate bacteriological growth and pipe corrosion.
However, it is possible for water be contaminated without any noticeable difference in taste or appearance.
Mr Thomas said, “Business owners and building managers should act quickly to ensure their building’s water supply is thoroughly flushed before occupancy resumes. “ Please click here to read the Media Release from MPA WA.
This work should always be done by a Licenced Plumber. To find a Licenced Plumber in your area, please refer to our Find a Plumber Tool.
Information about flushing procedures is in the Australian Building Codes Board Advisory Note Ensuring the safety of your building water system post COVID-19 restrictions.
Please refer to the SA Health Website for information and publications on Legionella Regulations and Guidelines.