Legionella in Water Systems: Causes, Risk Factors and Prevention
Posted by David Cannon on 14th Oct 2026
Water systems in commercial and industrial facilities can become a source of Legionella exposure when conditions allow the bacteria to grow and spread. Legionella is a waterborne bacterium that can cause serious illness in humans. The bacteria can multiply in building plumbing, hot water systems, cooling towers, and other water-based equipment, particularly when water stagnates, temperatures favor growth, or disinfection is inadequate. People can become infected by inhaling contaminated water dr