Legionella bacteria, found naturally in soils and freshwater environments such as lakes and streams, poses a small threat in natural environments.
When given the opportunity to enter a man-made water system, Legionella colonies can begin to amplify and aerosolise. These contaminated water droplets become airborne, risking individuals who breathe it in, to Legionnaires’ Disease.
Water Sources Susceptible To Legionella Confirmation
Legionella bacteria can grow in warm, stagnant water, where temperatures range from 20-50°C, with optimum growth occurring at a temperature of 37°C.
Most commonly Legionella bacteria can be found in the plumbing systems of large buildings, such as hotels and hospitals. Other sources where Legionella bacteria can be commonly found include:
- Hot water systems
- Cooling Towers
- Swimming Pools
- Shower Heads & Sink Faucets
- Decorative Fountains & Water Features
- Nebulisers & Humidifiers
- Air Conditioning Units