Water Quality Compliance

Why Water Quality Matters: How ST108 Protects Patients and Equipment Healthcare facilities depend on clean, properly treated water and steam to safely clean, disinfect, and sterilize reusable medical devices. To improve patient safety and reduce risks linked to contaminated or poor‑quality water, the ANSI/AAMI ST108:2023 standard was introduced. This new standard replaces older guidance and […]

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Expanding Our Building Solutions

Metro Group Welcomes Wesco Technologies: Strengthening our Water Treatment Expertise.  We are excited to announce that Wesco Technologies, a trusted name in water treatment services for over 40 years, is now part of Metro Group. This marks another chapter in our mission to provide superior building solutions throughout the Metro NYC area. Strengthening Our Water […]

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Case Study: How Metro Group Resolved a Legionella Crisis and Restored Water Quality

contaminated water warning stickers in building elevator

When two residents of a Midtown Manhattan building contracted Legionnaires’ disease within six months, hospitals were required to notify the NYC Department of Health (DOH), triggering an urgent investigation. Testing revealed widespread Legionella bacteria contamination in the building’s hot water system, posing a serious health risk to 400 residential units, four commercial spaces, and a […]

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Understanding Legionella Risks in Municipal Source Water: A Comprehensive Study

2024 Legionella Study cover page

Legionnaires’ disease, a severe form of pneumonia, continues to be a significant public health concern. Recent research has highlighted the potential risks associated with Legionella pneumophila in municipal source water, which can pose threats to building water systems. This study, conducted by members of the Association of Water Technologies’ (AWT) Cooling Water sub-committee, including Metro […]

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Is Legionella Sampling Required?

“Is Legionella Sampling Required?” That’s one of the most common questions we hear from Building Owner, Managers, and responsible parties.  It’s certainly an understandable question given the varying and often opaque guidance given from regulatory agencies and industry standards.  Throw in the differing State, Federal and even local laws, it gets even more confusing! While […]

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Webinar – Water Hygiene & Legionella – Part 3 Validation, Response Plans & Remediations

Join us for a complimentary webinar about Water Hygiene and Legionella Water Hygiene is critical for any building, whether it is a multi-family residential, commercial, or industrial facility.  It is essential to ensure that water systems are clean, safe, and free from any harmful contaminants.  One of the most significant concerns regarding water hygiene is […]

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How Legionella Makes Itself at Home

Protein remodels intracellular membrane to help bacteria survive in host cells UT SOUTHWESTERN MEDICAL CENTER – NEWS RELEASE 10-MAY-2021 DALLAS – May 10, 2021 – Scientists at UT Southwestern have discovered a key protein that helps the bacteria that causes Legionnaires’ disease to set up house in the cells of humans and other hosts. The findings, published […]

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Legionella warning for reopening businesses

Running water coming out of a faucet

  Published: 24 March 2021 As Lockdown restrictions start to be lifted across the city, Derby City Council’s Food and Safety Team are reminding businesses of the importance of continuing to manage and maintain the water systems within their business premises. As many businesses have been temporarily closed due to the Coronavirus restrictions, commercial water […]

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Mitigating Legionella Concerns in Vacant Buildings

February 1, 2021 Christoph Lohr, PE The current COVID-19 pandemic has illuminated many weaknesses regarding how we design and construct water systems in our buildings. The most critical example is the rise in vacant buildings and the resulting potential for bacterial amplification. As water sits in piping systems, oxidizing disinfectants such as chlorine or chloramine […]

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