legionella water risk Articles

  • Legionella

    Nomenclature Legionnaires' disease a pneumonia caused by any serogroup or sub-group of Legionella pneumophila Legionella pneumonia a pneumonia caused by any species of Legionella Pontiac Fever an acute, self-limiting, “flu-like” illness caused by certain species of Legionella Legionellosis any human ...

  • Legionella Prevention

    Legionella Pneumophila Legionella has been identified as a major problem in multioccupancy buildings such as hotels, hospitals, hostels, schools, military establishments, nursing homes and office blocks. Worldwide thousands of people become seriously ill or die through infection by this potentially deadly disease. The costs if a buildings water system becomes infected can be substantial not only ...

  • Legionella, water treatment and energy saving

    We can help improve health and safety and increase energy reduction. At the moment you probably keep water temperatures above 60°C and you probably undertake regular chemical or thermal water system treatments and shower head treatments, all to prevent the growth of Legionella in your water system. There are several reasons to do this including legal, safety, ...


    By Aquadron

  • Raising awareness to prevent legionella

    Understanding the dangers of contracting legionella Understanding certain facts about legionella is essential when selecting and furthermore maintaining emergency safety showers and eyebath/facewash units. Hughes equipment is designed to minimise the risk of legionella. “Employers are legally responsible for the health and safety of their employees and have a duty of care to the wider ...


    By Hughes Safety Showers

  • Managing Legionella in Facilities

    The Energy Institute (EI)’s Occupational Health and Hygiene Committee (OHHC) is soon to publish an updated, second edition of its technical guidance on Legionella risk management and control, and new technical guidance on the control of Legionella in cooling towers. Legionellosis, also known as ‘Legionnaires’ disease’ is a severe strain of pneumonia which was so ...


    By Energy Institute (EI)

  • Enumeration of Legionella pneumophila in cooling tower water systems

    Legionella pneumophila, the causative agent of Legionnaires disease, is known to colonise and frequently grow in cooling tower waters. Disease is acquired by inhaling aerosol contaminated by legionellae. Determination of the count of Legionella pneumophila in cooling tower waters may, therefore, be useful for risk assessment. In our survey, 103 water samples from 50 cooling towers were examined ...


    By Springer

  • Controlling scale in water systems helps prevent legionella

    The Legionella bacterium, Legionella Pneumophila (LP), the fundamental agent of Legionnaire’s Disease, is a water-based organism, which causes infection when inhaled in an aerosol form. Legionnaires' Disease acquired its name in 1976 when an outbreak of pneumonia occurred among persons attending a convention of the American Legion in Philadelphia. Later, the bacterium causing the illness ...

  • Inactivation of Legionella with the DiaCell® water treatment technology

    Legionella constitutes a new and increasingly stronger con-tamination risk many of water systems, such as cooling towers or hot sanitary water distribution networks. European certifica-tions impose concentration limits of 1’000 Cfu/mL [1], waters with higher levels must be treated. At levels higher than 100’000 Cfu/mL the installations must be stopped and disin-fected immediately. Many ...


  • Legionnaires’ disease (Legionella pneumophila)-sometimes deadly, sometimes not!

    More than 90% of Legionella cases are caused by Legionella pneumophila, a bacterium that thrives in warm to hot water.  Pipes, tanks, faucets, showerheads, and hot water heaters are ideal breeding grounds for L. pneumophila.  Since infection with Legionella occurs through inhaling the bacterium, any activity in which contaminated water can be misted and subsequently inhaled can lead to ...


    By Atlantic Environmental, Inc.

  • Neuthox removes legionella bacteria and biofilm - Case Study

    Hotel Terme della Sardegna (Sardinia, Italy) saves 12.000 € yearly by having a clean water system Danish Clean Water is the manufacturer of an ECA generator, which produces the disinfectant liquid, NEUTHOX. NEUTHOX is produced through an electrolysis process, where only electrical power, common salt and water is used, and is a clear 100 % biodegradable liquid which ...

  • Preventative control of legionella through real-time bioburden testing

    Abstract: Of the 485,000 annual cases of pneumonia-like sickness in the USA, approximately 15% are attributed to Legionnaire’s Disease. This typically results in  health care costs of over $600 million (1, 2, 3). For the most part, these incidents can be prevented through effective monitoring and treatment. Since Legionella thrive within microbial biofilms and ...


    By LuminUltra Technologies Ltd.

  • Surveillance of Legionella species in hospital water systems: the significance of detection method for environmental surveillance data

    Monitoring of hospital water systems to prevent and control nosocomial legionellosis is important from a public health perspective. This study was conducted to survey the prevalence of Legionella contamination of hospital waters. A total of 44 water samples from the hot-water system of 11 hospitals were tested for Legionella by a culture method and a nested polymerase chain ...


    By IWA Publishing

  • Evaluation of Legionella presence in the water system of a public building by semi-nested polymerase chain reaction as a rapid screening method complementary to plate count

    The aim of this study was to apply a fast and efficient protocol for monitoring levels of Legionella contamination in high-risk water systems using molecular techniques and culture methods. Forty-nine water samples from a public building were analyzed by a culture method (BCYE agar) and a specific semi-nested polymerase chain reaction (PCR). The first 30 analyses using plate counts were ...


    By IWA Publishing

  • The presence of opportunistic pathogens, Legionella spp., L. pneumophila and Mycobacterium avium complex, in South Australian reuse water distribution pipelines

    Water reuse has become increasingly important for sustainable water management. Currently, its application is primarily constrained by the potential health risks. Presently there is limited knowledge regarding the presence and fate of opportunistic pathogens along reuse water distribution pipelines. In this study opportunistic human pathogens Legionella spp., L. pneumophila ...


    By IWA Publishing

  • Monochloramine and chlorine dioxide for controlling Legionella pneumophila contamination: biocide levels and disinfection by-product formation in hospital water networks

    Legionella colonization in hospital hot water distribution networks was evaluated following 36 months of continuous treatment with monochloramine and compared with chlorine dioxide. Nitrite, nitrate, chlorite, chlorate, bromide, trihalomethanes and haloacetic acids as well as the biocide concentration at sampled points were measured. Only 8/84 samples treated with monochloramine were found ...


    By IWA Publishing

  • Does the risk of Legionnaire’s Disease rise when there’s lead in your water?

    Ongoing monitoring shows that lead levels in Flint, Michigan’s water are dropping and getting closer to meeting federal safety standards. That’s some much-needed positive news for the community. But there’s still work to be done. Now, researchers are starting to check residential hot water heaters in Flint homes for Legionella. Legionella grows best in warm water and hot water ...


    By LuminUltra Technologies Ltd.

  • 2014 Legionella Testing Market : US, Europe & Japan Countries Analyzed in New Research Report

    ReportsnReports.com adds report Legionella Testing Market 2014 : US, Europe (France, Germany, Italy, Spain, UK), Japan -- Emerging Opportunities, Supplier Shares, Country Forecasts, Innovative Technologies, Competitive Landscape to its store. The report presents a detailed analysis of the Legionella diagnostics market in the US, Europe (France, Germany, Italy, Spain, UK) and Japan. Current ...


  • Treated vs. Untreated Cooling Tower Water: Risks for Your Plant

    When an industrial plant or building decides whether or not to invest in a cooling tower water treatment system, it is a decision that shouldn’t be taken lightly. Petrochemical plants, chemical manufacturers, refineries, and all kinds of large buildings and facilities using cooling towers, whether they’re used as part of the industrial process or for cooling/removing heat from the ...


    By SAMCO Technologies, Inc.

  • The importance of Water Treatment in industry

    Water treatment is an important industry requirement and comes under 4 main branches which include boiler water treatment, cooling water treatment, water purification and the treatment of wastewater effluent. It is considered that these cover the majority of Water treatment processes in the UK and Internationally. Water treatment is often seen as an additional cost on top of an already very ...


    By Feedwater Ltd

  • Phigenics Water Research Paper Q&A

    Q.  What is the name of the research paper? A.  “Inaccuracy in Legionella Tests of Building Water Systems Due to Sample Holding ...


    By Phigenics, LLC

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