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ANSI/ASHRAE Standard 188-2018, Legionellosis: Risk Management for Building Water Systems

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Standard 188-2018

Guidance to Help Minimize the Risk of Legionellosis

ANSI/ASHRAE Standard 188-2018, Legionellosis: Risk Management for Building Water Systems establishes minimum legionellosis risk management requirements for building water systems.

The brand new 2018 edition clarifies compliance requirements, and is updated throughout with enforceable, code-intended language to facilitate adoption of the standard for code and regulatory purposes. Included in this publication are a description of environmental conditions that promote the growth of Legionella, and informative annexes and bibliography with suggestions, recommendations, and references to additional guidance.

Preview Standard 188 before you purchase


Standard 188 is essential for anyone involved in design, construction, installation, commissioning, operation, maintenance, and service of centralized building water systems and components.

Also Available:

NEW Guideline 12-2020 - Minimizing the Risk of Legionellosis Associated with Building Water Systems
When used in conjunction with Standard 188-2018, Guideline 12 can provide prescriptive guidance for operators of water management systems to control of legionellosis in building water systems. Learn more

Minimizing the Risk of Legionnaires' Disease, TM13
This CIBSE reference has been updated and revised to provide the information needed to support the effective management of the risks and demonstrate pro-active compliance. Learn More

Legionellosis Prevention in Building Water and HVAC Systems
This REHVA Guidebook is a practical guide for design, operation and maintenance to minimize the risk of legionellosis in building water and HVAC systems. Learn More

Additional Useful Resources

Guidance on Reducing the Risk of Legionella

Related Courses

Optimizing Indoor Environment: Increasing Building Value – 6 hours

Successfully Managing the Risk of Legionellosis Using ASHRAE Standard 188

Legionellosis: Making Building Water Systems Safer through Regulation

Governments don't need to wait until an outbreak occurs, so ASHRAE is asking its Chapters to get involved by encouraging municipal, state, and federal governments and legislative bodies to adopt Standard 188 into law.