Legionella is a type of bacterium which is naturally found in freshwater such as lakes and streams. It can be dangerous for the health of an individual, when it spreads and grows in water systems like air conditioner, showerheads, sink faucets and large plumbing systems. However, one should make sure that water systems should be maintained regularly to avoid these germs. Hence, one can take help for legionella risk management services in Australia from HydroChem for minimising the risks.