Legionella refers to a group of bacteria that are found in the environment. Legionnaires' disease from water is usually caused by the species Legionella pneumophila. Legionella pneumophila must be inhaled and typically infects the lungs and can cause severe pneumonia. Common sources of infection are cooling towers, hot & cold taps, showers, car washes etc.
High Risk Manufactured Water Systems
Cooling Towers and Warm Water Systems are high risk manufactured water systems and must be operated in accordance with the SA Public Health (Legionella) Regulations 2013 , Australian and New Zealand Standard (AS/NZS 3666) and Guidelines for the Control of Legionella.
Owners of a high risk manufactured water system are required to register their system with the Council within one month of commissioning and registration must be renewed annually.