The Legionella testing market is set to grow at a robust pace, with a compound annual growth rate (CAGR) of 8.5% from 2024 to 2031. This growth is driven by several factors, including increasing public awareness of Legionnaires' disease, the need for stringent water safety measures, and advancements in testing technologies. As of 2024, the market is valued at USD 298.2 million and is projected to reach USD 527.9 million by 2031. The rising incidence of Legionella outbreaks, coupled with the enforcement of strict regulations across various industries, is fueling the demand for Legionella testing services and products. Additionally, the development of more accurate and efficient testing methods, such as PCR and automated systems, is making Legionella testing more accessible and widespread. This positive growth outlook underscores the critical role of Legionella testing in ensuring public health and safety.