According to the World Health Organization, among all pathogens found in potable and technological water, bacteria of the Legionella genus are responsible for the highest health burden in the European Union. For this reason, both community and national regulations have been established, requiring the implementation of specific Legionella risk management measures for all civil and industrial facilities equipped with at-risk water systems. Acquaflex has been active in Legionella prevention since 2000, providing technical consulting for drafting Legionella risk prevention and control protocols, as well as supplying the necessary chemical technologies and technical support services to ensure their proper and efficient application