Protect human life and business operations with GWT’s proactive solutions to Legionella water management.
Legionnaires’ Disease can be affordably prevented by partnering with GWT and developing a customized ANSI/ASHRAE Standard 188-2015 compliant Water Management Program (WMP).
What is Legionnaires’ Disease?
According to the CDC, LD is, “a serious, and often deadly, lung infection (pneumonia). People usually get it by breathing in water droplets containing Legionella germs. People can also get it if contaminated water accidentally goes into the lungs while drinking. Many people being treated at health care facilities, including long-term care facilities and hospitals, have conditions that put them at greater risk of getting sick and dying from LD. Legionella grows best in buildings with large water systems that are not managed effectively.
Water contaminated with Legionella can often be found in: showerheads and sink faucets, hydrotherapy equipment, medical equipment, ice machines, cooling towers, spas, decorative fountains, and water features.
Those at the highest risk for contraction include adults 50 years or older, current or former smokers, and people with a weakened immune system or chronic disease.

Legionnaires’ Disease Prevention
The CDC has published that a WMP is the most effective way to prevent Legionnaires’ Disease. For more information from the CDC:
In June 2015 the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) published a long awaited standard, ANSI/ASHRAE Standard 188-2015 Legionellosis: Risk Management for Building Water Systems. Standard 188 establishes minimum Legionellosis risk management requirements for building water systems which helps guide facilities through:
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Development of an ASHRAE Standard 188 Compliant Water Management Program (WMP)
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Consulting as Industry Expert on WMP established team
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Proactive Legionella Testing through CDC Elite Laboratories
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Corrective actions and remediation
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Cloud based data collection and program management tools


GWT provides the following services to assist facilities in preventing Legionnaires’ Disease:
- On-site risk assessments
- Development of customized ASHRAE Standard 188 compliant Water Management
- Program (WMP)
- Continual and as needed consulting services
- Proactive Legionella testing through CDC Elite Certified Laboratories
- Corrective actions and remediation services
- Cloud based data collection and program management tools
Learn more about how a WMP can protect your business: