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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Legionnaires’ disease in the time of COVID-19

Pneumonia volume 13, Article number: 2 (2021) Cite this article “Due to similarities in initial disease presentation, clinicians may be inclined to repeatedly test community-acquired pneumonia cases for COVID-19 before recognizing the need to test for Legionnaires’ disease. Legionnaires’ disease is an illness characterized by pneumonia that has a summer/early fall seasonality due to favorable conditions for Legionella growth and exposure. Legionella proliferate in […]

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Biofilm Monitoring – AWT Cooling Subcommittee

 Press Release Date:     January 22, 2021 “Biofilm Monitoring: A How-To Guide for Practical Cooling Water Management” makes the cover page of the most recent edition of “the Analyst”, the water treatment industry’s premier periodical published by the Association of Water Technologies. Authored by AWT Cooling Subcommittee Representatives John Caloritis, CWT of The Metro Group, Inc., […]

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Certified Legionella Specialists – ASSE 12080

Press Release Date:     January 21, 2021 Metro District Manager Mark Botsford, CWT, has become latest member of the Metro team to become a Certified Legionella Specialist per the ASSE 12080 Standard. In April 2020, the American National Standards Institute (ANSI) designated the American Society of Sanitary Engineers (ASSE) 12080 Professional Qualifications Standard for Legionella Water […]

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Legionnaires and COVID-19

11 January 2021 – News & Insight While COVID-19 is at the forefront of people’s minds, Legionella is one hazard that may be overlooked as people return to their workplaces. Legionnaires’ disease – is COVID-19 helping spread this potentially The bacteria thrives in water that is left stagnant between temperatures of 20–45°C and with many […]

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Chlorine Dioxide vs. Legionella

A recently completed study by respected AWT Company, Weas Engineering of Westfield, IN, looked at the Association of Amoeba and Legionella in Potable Water Systems.  The study also looked at the efficacy of three disinfection strategies in reducing amoeba and therefore affect subsequent events that ultimately result in the acquisition of legionellosis. The three disinfection […]

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