Expanding Our Building Solutions

AC Klem joined Metro Group in May 2026. Metro Group Expands Plumbing Services with Addition of AC Klem Plumbing Metro Group is proud to announce the addition of AC Klem Plumbing, a well-respected company with over 90 years of experience in professional plumbing services. This addition strengthens Metro Group’s ability to provide complete commercial building […]

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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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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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Source of deadly Legionnaires’ Disease outbreak at North Portland apartment building remains a mystery

Author: Kyle Iboshi (KGW) Despite efforts to fix the building’s water system, residents at Rosemont Court are still getting sick and health officials don’t know why. PORTLAND, Ore. — Residents at an apartment building in North Portland are still getting sick with Legionnaires’ Disease, a severe form of pneumonia or lung infection, despite efforts to fix […]

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New round of Legionnaires’ disease cases reported at N Portland apartments

by KATU Staff Monday, June 14th 2021 PORTLAND, Ore. — Additional cases of Legionnaires’ disease were reported at a North Portland apartment building. Northwest Housing Alternatives (NHA) said Monday that it will offer to help residents living at the Rosemont Court building relocate permanently. In January, 10 residents at the apartments on North Dekum Street became ill—and […]

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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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