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Legionella Risk Management Market Growth Potential: How Will Market Size Change Through 2030?
The legionella risk management market size has demonstrated significant expansion over recent years. It is anticipated to expand from $1.50 billion in 2025 to $1.64 billion in 2026, achieving a compound annual growth rate (CAGR) of 9.6%. Historically, this growth has been influenced by factors including heightened regulatory compliance, a greater emphasis on water safety, an increase in legionella outbreaks, the development of commercial infrastructure, and enhanced oversight of healthcare facilities.
The legionella risk management market is anticipated to experience substantial expansion over the next few years. Its valuation is predicted to reach $2.34 billion by 2030, demonstrating a compound annual growth rate (CAGR) of 9.3%. The projected increase within the forecast period is driven by factors such as an escalating need for risk assessment services, greater investment in water treatment technologies, a surge in the implementation of digital monitoring systems, broadening building safety regulations, and an increased emphasis on preventive maintenance. Notable trends expected during this period include technological progress, new developments in remote monitoring, advancements in smart water management, enhanced research and development in detection techniques, and a digital evolution in risk management strategies.
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Legionella Risk Management Market Growth Factors Supporting Long-Term Expansion
The increasing apprehension concerning waterborne illnesses is anticipated to boost the expansion of the Legionella risk management market moving forward. Waterborne diseases are defined as infections caused by pathogenic microorganisms transmitted through contaminated water, with Legionnaires’ disease being a severe form resulting from Legionella bacteria. Worries about waterborne diseases are escalating due to aging water infrastructure, which heightens the risk of bacterial contamination. Legionella risk management plays a crucial role in managing waterborne diseases by ensuring proactive monitoring and control of bacterial contamination, making it indispensable for buildings equipped with complex water systems. It enhances public safety by preventing Legionella growth, diminishing the likelihood of outbreaks, and improving overall water quality management. For instance, in September 2025, the World Health Organization, a Switzerland-based intergovernmental organization, reported that 60 countries documented over 560,000 cases and more than 6,000 deaths in 2024, indicating a modest increase in reported cases and a significant rise in fatalities compared with 2023. Thus, the escalating concerns over waterborne diseases are a primary driver for the growth of the Legionella risk management market.
Legionella Risk Management Market Segmentation And Category Breakdown
The legionella risk management market covered in this report is segmented –
1) By Component And Offering: Services, Testing And Diagnostics, Products And Chemicals, Software And Monitoring
2) By Solution Type: Testing And Sampling Services, Risk Assessment And Audit Services, Water Treatment And Disinfection Systems, Monitoring And Control Systems (IoT, Sensors, Software), Digital Compliance And Documentation Platforms
3) By Technology: PCR And Molecular Testing, UV Disinfection Systems, IoT-Based Monitoring Technologies, Automated Chemical Dosing Systems, AI And Predictive Analytics Platforms
4) By Water System Type: Potable Water Systems, Cooling Towers And HVAC Systems, Hot Water Systems, Decorative Water Features (Fountains, Spas, Pools), Industrial Process Water Systems
5) By End-User Industry: Healthcare Facilities, Hospitality, Commercial Real Estate, Industrial Facilities And Manufacturing Plants, Educational Institutions, Government And Public Buildings
Subsegments:
1) By Services: Risk Assessment, Consulting And Advisory, Remediation And Corrective Actions, Installation And Maintenance, Training And Certification
2) By Testing And Diagnostics: Water Sampling, Culture Testing, Molecular Testing, Temperature Mapping, Rapid Detection Methods
3) By Products And Chemicals: Disinfectants, Biocides, Ultraviolet Systems, Ozone Treatment Systems, Chemical Dosing Systems
4) By Software And Monitoring: Digital Compliance Platforms, Internet Of Things (IoT) -Based Monitoring Systems, Predictive Analytics Tools, Remote Monitoring Solutions, Automated Alert Systems
Legionella Risk Management Market Industry Trends Shaping Future Revenue Growth
Companies operating in the Legionella risk management market are increasingly focused on developing advanced diagnostic solutions, such as highly automated, high-throughput assays. These innovations aim to accelerate detection, improve diagnostic accuracy, and mitigate the risk of misdiagnosis and associated mortality. Highly automated, high-throughput assays are sophisticated laboratory tests designed for the rapid and precise identification of Legionella antigens, crucial for confirming a diagnosis of Legionnaires’ disease. For instance, in July 2023, DiaSorin, an Italy-based diagnostics company, launched the LIAISON Legionella Urinary Antigen Assay in all CE-mark-accepting countries. This assay is a fully automated immunodiagnostic test engineered to operate on the company’s LIAISON® CLIA analyzers. It incorporates an innovative “dual-antigen” design, allowing for the simultaneous detection of antigens from both Legionella pneumophila and Legionella longbeachae. This design significantly improves the test’s sensitivity and specificity in differentiating Legionnaires’ disease from other lung infections. Additionally, it delivers results in only 35 minutes, thereby enabling timely and targeted antimicrobial treatment and enhancing case management to reduce mortality rates for this serious form of pneumonia.
Legionella Risk Management Market Competitive Analysis Of Major Industry Participants
Major companies operating in the legionella risk management market are Thermo Fisher Scientific Inc., Ecolab Inc., SUEZ S.A., Eurofins Scientific SE, SGS S.A., ChemTreat Inc., Xylem Inc., Rentokil Initial plc, Bureau Veritas S.A., BWT Aktiengesellschaft, Intertek Group plc, bioMérieux S.A., IDEXX Laboratories Inc., Solenis LLC, Kurita Water Industries Ltd., ALS Limited, Chem-Aqua Inc., HydroChem Group Pty Ltd., Legionella Control International Ltd., ALVIM S.r.l.
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Legionella Risk Management Market Geographic Analysis: Where Is Demand Growing The Fastest?
North America was the largest region in the legionella risk management market in 2025. Asia-Pacific is expected to be the fastest-growing region in the forecast period. The regions covered in the legionella risk management market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa.
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Wasay has over a decade of experience in market research, data modelling, and analytics, with prior experience at GlobalData and Decision Tree Consulting Services. At The Business Research Company , he leads research operations across syndicated studies, customized consulting engagements, and the Global Market Model platform. His professional experience includes supporting organizations such as Boston Consulting Group, KPMG, and Ernst & Young. Wasay holds a degree in Electronics and Communications Engineering, postgraduate management qualifications from International Management Institute Belgium and Indian School of Business and Entrepreneurship, and completed the Integrated Program in Business Analytics from Indian Institute of Management Indore.