Any water system that has the right environmental conditions could potentially be a source for legionella bacteria growth. There is a reasonably foreseeable legionella risk in your water system if:
It is likely that employees, residents, visitors etc will be more susceptible to infection due to old age, illness, a weakened immune system.
As an employer, or a person in control of the premises, you are responsible for health and safety and need to take appropriate precautions to reduce the risks of exposure to legionella. You must understand how to:
You should carry out a risk assessment to identify what risks, if any, are present and manage any identified risks.
Some precautions you can undertake:
For more information please visit: Health and Safety Executive, Legionnaires disease – what you must do.