Legionella Now And In A Post COVID World

legionnaires disease

No doubt, the COVID-19 pandemic dealt a heavy blow on every continent in the world. Lockdowns were immediately imposed, which led to the closure of shops, offices, industries, malls, schools, and commercial buildings. However, normalcy will be restored, and gradually people will return to these buildings that were once vacant. To ensure a safe re-opening of offices and buildings, there is a dire need to carry out thorough preventive maintenance of these buildings cooling towers. This will prevent the possible outbreak of diseases like Legionella.

Reports and studies from the CDC corroborate a likelihood of legionella bacteria growing in buildings left unoccupied or unused for a long time in both the potable water systems and HVAC systems and cooling towers. It is noteworthy that legionella bacteria grows in stagnant water bodies, which is the characteristic of water in an unused cooling tower.

This is a wake-up call to Facility managers and HVAC professionals to swing into action to eliminate the possible outbreak of legionella disease. As a start, an adequate legionella risk assessment must be carried out before re-opening any building, especially those with an installed cooling tower, to ensure that water and air quality are not compromised.

Legionella In A Post COVID World

According to an article published on ACS PUBLICATION, there is a considerable risk of legionella outbreak after the COVID-19 pandemic if adequate and appropriate measures are not put in place. New recommendations must be developed and implemented as post-COVID time sets to mitigate the risk of an outbreak. These acts will be similar to what was done after the H1N1 influenza pandemic.

These recommendations will enforce and ensure that no commercial building left unoccupied or unused during COVID is re-opened without proper and rigorous inspection. Besides, across much of the country, the winter season is gradually drawing the curtain. The warm season will set in soon. Remember that legionella bacteria love warm and stagnant unused water, particularly a feature of buildings with cooling towers during COVID.

The Latest Legionella Outbreak

The need to take necessary precautions and appropriate legionella risk management measures cannot be over-emphasized. In Union County, New Jersey,  fourteen cases of legionella disease have been reported and confirmed with one death. Records showed that these cases were reported between February 3rd and February 26th.

In fact, the New Jersey Department of Health is currently investigating the outbreak’s source to prevent future occurrences. Currently, the department’s official, alongside local health workers, has identified some legionella bacteria sources and is working to neutralize and curb the growth and spread.

Legionella in Stagnant Water

How To Protect Against Legionella

An unfortunate truth is that little to or no attention is paid to the maintenance of cooling towers and water treatment in them as long as they are functioning properly.

To prevent the outbreak of Legionnaires’ disease within cooling towers, you should follow a few tips for cooling tower maintenance:

  •  Monthly inspection

It is essential to keep an eye on the water in cooling towers to check any irregularities such as scale, sediments, etc. Moreover, as we approach the warmer season, inspecting twice a month is advisable to be on the safe side and remain to rest assured of the water’s purity.

  •  Treat the Water

Water in cooling towers should be treated with a variety of antiscalant and antibacterials to manage the quality and risk of legionella and other bacterial growth. A variety of water treatment companies are available to tackle this important task on an ongoing basis. But water treatment alone is not enough. Constant maintenance and cleaning are required too.

  •  Removal of Stagnant Water

After a long period of not using a cooling tower, stagnant water should be flushed out totally and replaced with fresh water. Stagnant water might harbor legionella bacteria already without you knowing.

  •  Clean the Fill

We have learned that stagnant water can breed legionella bacteria; therefore, cleaning the fill to remove slime and scale in cooling towers must not be overlooked. Cleaning the fill allows for better flow and reduces the tendency of growth of mold and bacteria. Additionally, cleaning of tower basins is essential to remove food sources from bacteria and keep heat exchanger tubes clean.

  •  Proper Water temperature

The Occupational Health and Safety Administration (OSHA) provides several recommendations on how to prevent Legionnaires’ disease in cooling towers. Perhaps the most crucial piece of advice is to keep the temperature of the sump water below 68 degrees Fahrenheit at all times.

  •  Surface Disinfection

Disinfection with an EPA registered antimicrobial product, labeled explicitly for HVAC use, should be used to clean surfaces of all HVAC systems and add-ons. This can help keep microorganisms from flourishing between cleaning cycles.

  •  Clean Basin Surfaces

Cleaning the basin of a cooling tower eliminates the places where harmful bacteria grow. Although basin cleaning can be a part of the monthly maintenance schedule, preventing the growth of Legionella requires a thorough basin cleaning at least once every two weeks.

Guides To Follow

Also see ANSI/ASHRAE Standard 188-2018, Legionellosis: Risk Management for Building Water Systems. Which clarifies compliance requirements, and is updated throughout with enforceable, code-intended language to facilitate the adoption of the standard for code and regulatory purposes.

When used in conjunction with Standard 188-2018, Guideline 12-2020 – Minimizing the Risk of Legionellosis Associated with Building Water Systems can provide prescriptive guidance for operators of water management systems to control legionellosis in building water systems.

Next Steps:

The CDC recently published a toolkit to reduce the growth and spread of Legionella bacteria.

Read more about preventing Legionella in Cooling Towers.

Discover our Cooling Tower Cleaning Solutions

Learn about Cooling Tower Fill Descaling

 

 

 

The Importance of a Legionella Maintenance Program in Cooling Towers

Closed due to Legionella

Two recent events in Atlanta, Georgia, underscores the importance of following a maintenance program for cooling towers to prevent the development of Legionella.

The first outbreak of Legionella happened at the Sheraton Atlanta in July of 2019. Six months later, more than 50 claims filed against the hotel prompted the parent company to file a lawsuit in Fulton County Superior Court. Attorney Jeffrey Diamond said, “It’s a type of a lawsuit called declaratory judgment in which the parties to an insurance policy-the insureds and the insurance companies- are going to litigate whether or not there is coverage for the claims of the people who are alleged to have been injured by the Legionella outbreak.”

In early August of 2020, the Center for Disease Control and Prevention (CDC) closed several of its building located in Atlanta because a team of inspectors discovered Legionella bacteria in the water system. The bacteria most likely grew during the extended Coronavirus pandemic lockdown.

The CDC issued a statement that read, “During the recent closures at our leased space in Atlanta, working through the General Services Administration (GSA), CDC directed the landlord to take protective actions. Despite their best efforts, CDC has been notified that Legionella, which can cause ‘Legionnaires’ Disease, is present in some water sources in the buildings.” Since discovering the bacteria, the CDC shut down the facilities until the remediation project concludes.

What is ‘Legionnaires’ Disease?

A group of research biologists found Legionella bacteria among many attendees at a 1976 convention held in Philadelphia. The bacteria collect to create ‘Legionnaires’ disease, which patients contract by breathing water vapors that contain the bacteria. People over the age of 50, especially those with underlying lung problems, are the most vulnerable to the disease. Severe symptoms include the inability to breathe correctly, with around 15 percent of cases resulting in death. Other symptoms of the disease are acute fatigue and a persistent cough.

Cooling Towers and ‘Legionnaires’ Disease

What is the direct connection between legionnaires’ disease and a cooling tower? The answer lies in understanding cooling towers, as well as cooling tower maintenance.

Cooling towers operate as a part of an HVAC or process cooling system, typically for industrial infrastructures. Considered cost-effective and energy-efficient cooling centers operate in buildings that include schools, hospitals, industrial plants, and office buildings. Because they hold large quantities of water, cooling towers can produce Legionella bacteria if the systems do not receive regularly scheduled maintenance and have ineffective water treatment programs.

Maintenance Tips to Prevent Legionella Growth in Cooling Towers

Because of the large size, cooling towers are considered difficult to clean. However, to prevent the outbreak of Legionnaires’ disease withing cooling towers, you should follow a few tips for cooling tower maintenance.

Conduct Monthly Inspections

Inspecting cooling towers at least once a month helps identify areas where scale, biofilm, and sediment buildup occur. These are hotspots for Legionella to flourish. During the warmer months of the year, consider changing to a bi-weekly schedule of cooling tower maintenance.

Clean Basin Surfaces

Cleaning the basin of a cooling tower eliminates the places where harmful bacteria grow. Although basin cleaning can be a part of the monthly maintenance schedule, preventing the growth of Legionella requires a thorough basin cleaning at least once every two weeks. Attaching a powerful water filter can prevent the development of harmful slime.

Treat the Water

Contracting with a certified water treatment company should keep the water flowing through a cooling tower in pristine condition. Treatments like biocides can prevent the production of dangerous Legionella bacteria. Look at a water treatment program as one part of your cooling tower maintenance program, not a strategy that you should depend on by itself to prevent the outbreak of ‘Legionnaires’ disease.

Proper Sump Water Temperature

The Occupational Health and Safety Administration (OSHA) provides several recommendations on how to prevent Legionnaires’ disease in cooling towers. Perhaps the most crucial advice is to keep the temperature of the sump water below 68 degrees Fahrenheit at all times.

Remove Stagnant Water

Stagnant water represents the ideal spot for bacteria, such as Legionella, to grow. By conducting dead leg and side-arm piping, you should eliminate stagnant water from a cooling tower.

Reduce the Drift Rate

A contaminated mist that forms within a cooling tower can enter the respiratory system of anyone sitting or standing next to a cooling tower. Using a mist eliminator should be a priority on your cooling tower maintenance list.

Clean the Fill

Cleaning the fill not only eliminates scale and slime, but it also enhances the flow of water inside a cooling tower. Control the growth of mold and bacteria such as Legionella by cleaning a cooling tower fill at least once a month.

Disinfect the Surfaces

Once surfaces have been cleaned, consider disinfecting with an EPA registered antimicrobial product, labeled explicitly for HVAC use. This can help keep microorganisms from flourishing between cleaning cycles.

Two more tips to complete the list of tasks for cooling tower maintenance. First, always wear protective equipment when cleaning a system to prevent the breathing of harmful Legionella bacteria. Second, always keep records of completed maintenance on cooling towers.

The Bottom Line

The two outbreaks of Legionella bacteria emphasize the importance of implementing preventive maintenance techniques on water systems, especially the vital water system component called cooling towers. A cooling tower maintenance product like the CTV-1501 and BioSpray Tower can prevent Legionella bacteria from tarnishing your ‘company’s hard-earned positive reputation.

CTV-1501 Towervac® Cooling Tower Vacuum eliminates bacteria like Legionella. The powerful suction of the vacuum removes mud, slime, and algae, which are contaminants that allow Legionella to flourish. You do not have to drain the entire water system, which saves time and prevents water loss.

As a complementary tool to prevent the development of Legionella bacteria, the BioSpray Tower works well on non-porous surfaces. The disinfectant kills 99.9% of the Legionella that develops in cooling towers.

 

Next Steps:

Find your perfect solution with our Complete Cooling Tower Maintenance Solutions from Goodway

Learn about Cooling Tower Fill Descaling

Get tips on Preventing Health Risks from Contamination in Cooling Towers

 

 

Assessing the Indoor Health of Your Building

Indoor air quality is one of the most important characteristics that describe the health of a building and the corresponding health of its inhabitants. People now spend more of their time inside than at any other time in history, and it is vitally important that the indoor air that they breath meet a standard quality that does not compromise their health, productivity, or sense of well-being.

Facility managers and owners are responsible for the health of their buildings and responsible for exposing their inhabitants to safe conditions. Never has the importance of keeping the air they “manufacture” so vital. Organizations like the Environmental Protection Agency recognize the importance of indoor air quality and the overall health of buildings, as well as the need to create standards for buildings in order to prevent “sick buildings” from existing. To fill this need, the EPA conducted the Building Assessment Survey and Evaluation (BASE) Study, which took in data from public and commercial buildings across the United States to create a set of standards to analyze the health of buildings.  

The BASE Study 

To conduct the BASE Study, the EPA collected data that focused on three major areas of indoor air quality. These areas are:

  1. Environmental and comfort measurements
  2. Building and heating, ventilation, and air conditioning (HVAC) systems characterization
  3. Building occupant demographics, symptoms, and perceptions 

The study collected data from 100 randomly selected buildings in 37 cities and 25 states. It then created a composite database of survey data to characterize the indoor air quality conditions across the United States. 

Whole Building Physical Characteristics

The entire BASE report summarizes the data is collected across two major characteristics. These characteristics were: whole building physical characteristics and whole building pollutant sources. 

The whole building’s physical characteristics data considered multiple different building features and attributes that would contribute to the understanding of the current conditions of air quality inside buildings in the United States. Building age was the first attribute considered and it varied across a wide spectrum from buildings built before 1900 to those constructed in the 1990s. The majority of BASE studied buildings were constructed in the 1980s. 

Building size, to include representative statistics like the number of total occupants were collected, as was the square footage of each building to include physical footprint square footage and floor area. An additional consideration as part of the physical characteristics was the number of stories in the building, with the majority of buildings being 10 stories or less. 

A final statistic considered for the physical characteristics of a building was the number of operable windows in the building. Operable windows are important to indoor air quality management as they can provide an additional means of ventilation that removes load requirements from HVAC equipment. However, facility managers need to make sure that outside systems are operating well. For example, dirty cooling towers can harbor dangerous bacteria, and if left uncleaned and maintained can infect the very air being brought back into the building via natural venting. 

Whole Building Pollutant Sources

Each building in the BASE study had information collected that quantified the number of potential polluting sources that could have an impact on the building in terms of indoor air quality. The polluting sources tracked were specialty use spaces, water damaged areas, fire damage areas, and pest control areas. 

Information was also collected on the HVAC systems in each building, specifically, the HVAC strategy was recorded for each subject. The HVAC strategy of a building encompasses its ventilation strategy, building cooling system strategy, and building heating system strategy. 

The final aspect of the whole building analysis conducted was on the environmental parameters inside the building, specifically focusing on the presence of volatile organic compounds (VOCs). Volatile organic compounds are chemical compounds that make up most of the indoor products and material coatings that exist in buildings. Some volatile organic compounds can be dangerous at certain concentrations and need to be monitored by facility managers. 

Who is at Risk in an Unhealthy Building?

Facility managers and building managers should be concerned about the well-being of all their occupants, but some building occupants could be more susceptible than others. Children in particular experience higher rates of exposures than adults do inside “sick buildings.” Children breathe in more air per pound of body weight than most adults, and so might be inhaling indoor air contaminants at a higher rate than adults. The immune systems of children are also not necessarily as developed as those in adults, and so infants are particularly more susceptible to the adverse effects of poor air quality. Age, nutrition, metabolism, exposure levels, pre-existing conditions, and other adverse health factors can also make an individual more susceptible to the indoor air quality inside a “sick building.”

What is the Cost of an Unhealthy Building?

Unhealthy buildings not only have a societal impact on the health of occupants, but they also can impact the bottom line of building owners and business owners operating inside the building. Without proper maintenance and monitoring, an unhealthy building allowed to operate continually in poor condition can have significant costs in energy usage, maintenance downtime, and financial loss due to equipment replacement and productivity losses. Want another consideration? Legal risks to building owners.

Solutions for Preventative Maintenance to Improve the Health of a Building

There are simple solutions and maintenance management plans that can be instituted inside a building to improve and stabilize the indoor air quality. Goodway has numerous products and suggestions for managing the interior environment of buildings. 

Buildings need to be kept dry, clean, and well ventilated to maintain an environment of fresh, safe air and to reduce the presence of polluting materials or chemicals in the building. The BASE Study highlights numerous factors that buildings in its study had which contributed to poor building health. Keeping a building safe, free of contaminants, and pest free are simple ways to avoid some of the pitfalls of poor maintenance and “sick buildings.” 

Goodway has numerous product guides and management plans available, along with experienced professionals ready to provide expert advice on its website. Preventative maintenance is one of the best methods for maintaining a healthy building, and facility managers can turn to Goodway for best practices and assistance in achieving this goal. 

 

Next Steps:

See why Regular Cleaning Is The Key To HVAC Efficiency Success

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Indoor Air Quality Management In Hospitals Helps Prevent Infections

Hospitals are a unique environment for the spread of infectious diseases. COVID-19 aside, each year in the United States, healthcare-associated infections (HAIs) kill over 100,000 people annually. These healthcare-associated infections are considered errors in patient care and occur when a patient enters medical care for an ailment and becomes infected by a disease or virus unrelated to their original health issue. A comprehensive study completed by the Hospital Microbiome Project at the University of Chicago, Illinois, determined that healthcare-associated infections are most significantly caused by poor indoor air quality (IAQ). 

The climate of Health care facilities has been changed forever due to the current COVID-19 pandemic. It is more important than ever for health care facility management to fully understand their buildings IAQ and the effects it will have on their occupants. The use of highly efficient particle filtration in centralized HVAC systems reduces the airborne load of infectious particles (Azimi and Stephens 2013). According to ASHRAE  various strategies have been found to be effective at controlling transmission, including optimized airflow patterns, directional airflow, zone pressurization, dilution ventilation, in-room air-cleaning systems, general exhaust ventilation, personalized ventilation, local exhaust ventilation at the source, central system filtration, UVGI, and controlling indoor temperature and relative humidity. 

Contact Sanitation is an Incomplete Pathogen Eradication Method

Healthcare-associated infections occur in what the study describes as an environment of biological extremes. An environment of biological extremes does not occur naturally. Counterintuitively, it can exist in areas of limited physical space where there is a heightened state of virulence from anti-microbial medications and housekeeping disinfectants attempting to eradicate pathogens. 

Anti-microbial medications, sanitation equipment, and housekeeping disinfectants have historically been the common practice of hospital disinfectant programs, but in extreme cases, they can lead to stronger and more resistant pathogens that rapidly reproduce and thrive in the interior environment. There are often vulnerable patients inside hospitals with decreased immune defenses who are extremely susceptible to these pathogens. 

Contact sanitation, which is the use of anti-microbial medications, sterilizers, and disinfectants, targets the transmission of pathogens through contact and short distance interruption of large droplets. This sanitation strategy, however, does not interrupt all the means that pathogens have to spread throughout an interior space. 

Pathogens Can Spread Through the Interior Air

Pathogens can exist in droplet nuclei, which are aerosolized molecules less than five micrometers in diameter. Droplet nuclei can travel for extended periods through the air and are easily inhaled by patients or staff in a hospital.

Studies have shown that approximately 10 to 33 percent of all healthcare-associated infections travel through the air at some point between their initial source, the reservoir, and the eventual patient that they infect. Sanitation plans preventing pathogens spread through the air in medical facilities have historically not been as robust as contact sanitation plans. 

Using Indoor Air Quality Management to Prevent Infections

The study conducted by the Hospital Microbiome Project at the University of Chicago suggests that hospitals could target infectious disease spread economically and effectively by actively managing their interior air quality. 

As a result of the study, it was concluded that indoor relative humidity was the most statistically significant, independent variable affecting microbial spread throughout medical facilities. There was also a strong correlation detected between the presence of microbial communities and higher temperatures in rooms. The correlations between indoor air quality management and infectious disease spread are seasonal, and so air quality management becomes even more important during the winter months of a region. 

Relative humidity was the key air quality determinant in the study. The relative humidity is the amount of water vapor present in air expressed as a percentage of the amount needed for saturation at the same temperature. Proper employment of heating, ventilation, and air conditioning systems in medical facilities is the essential way to manage indoor air quality and maintain proper relative humidity levels.

The study by the Hospital Microbiome Project at the University of Chicago determined that a relative humidity below 40 percent was associated with an increased prevalence of healthcare-associated infections. The study suggested that maintaining indoor relative humidity between 40-60 percent relative humidity may be an effective and cost-efficient method of decreasing the spread of pathogens inside facilities.

The Responsibility is on Hospital Engineers and Facility Managers

The study completed by the Hospital Microbiome Project at the University of Chicago provides hospital engineers and facility managers with better data to guide their building management. Facility managers should create comprehensive plans to both monitors and maintain the indoor air quality in patient’s rooms and hospital interior areas. 

Maintaining relative humidity levels economically requires accurate monitoring capabilities and efficient HVAC systems in place to manage the large interior space inside hospitals. Hospitals often must invest in robust HVAC systems to meet the stringent demands of their air quality management plans. The best method of protecting these investments in HVAC equipment is to emplace comprehensive maintenance plans for the equipment. 

Maintenance Opportunities To Reduce Risks

Keeping Cooling Towers Clean is an effective way to provide quality IAQ by reducing the risk that outdoor air isn’t infected. Cooling towers that supply water for central air-conditioning systems, in general, are a common culprit for outbreaks of disease. These cooling towers can add to risks by emitting infected water vapor, which can be brought inside through fresh air ventilation points, and general entrances like windows, doors, etc. The best maintenance practices to prevent both viral and bacterial contamination inside cooling towers are aggressive cleaning plans paired with personnel training, monitoring, and testing. Our CTV-1501 TowerVac® Cooling Tower Vacuum safely removes solids from boiling tower basins common areas for bacteria, like Legionella and other micro-organisms, to flourish.

Cleaning and decontaminating ductwork is also a effective method for maintaining a healthy building. When evidence of microbial growth in your HVAC system or ductwork is present consider chemical antimicrobial solutions specially designed for HVAC systems.

There are also experts available and willing to help facility managers review their current maintenance plans or to create new plans altogether. As demonstrated by the Hospital Microbiome Project, indoor air quality is one of the most important building conditions to manage the spread of healthcare-associated infections. Facility managers and hospital engineers owe it to their patients to take an active role in maintaining indoor air quality and provide the safest environment possible to their patients. 

 

Next Steps:
The AHSE has put together a guide with tips on how to achieve proper IAQ and lower infections.

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What’s the Scoop on Viruses in Cooling Towers?

The current COVID19 pandemic has increased public visibility on infectious diseases throughout the world. Viruses like the novel coronavirus (aka COVID-19) that is currently impacting multiple nations worldwide comes with thousands of different characteristics that dictate their spread, survival rate, and degree of infection. With this particular virus, much is still unknown. 

Numerous viruses throughout history have shown the capability to survive in the water in cooling towers if untreated. The main factors that influence a virus’s survival in water include temperature, organic material in the water, and the presence of aerobic microorganisms. Of these factors, the most critical influence on any virus’s survival is temperature. Every virus has its survivable range, but generally, a virus’s survival rate decreases with increasing temperature. High heat (above 100C) causes the fast inactivation of most viruses. The survival potential of a virus decreases even further with the presence of predatory microorganisms, such as protozoa which increase the inactivation rate of viruses in water.

Currently, it is thought that the novel coronavirus causing outbreaks of COVID19 worldwide is a not significant risk of contaminating industrial cooling towers. But little e research has been completed to date. 

It may be worth noting, however, that when tested, the data has shown that most coronaviruses die off very rapidly in sewage wastewater, up to a 99.9% reduction of viral activity in water after two or three days of exposure. Viruses, however, adapt quickly to their environments as they spread across the world, and so facility managers need to continually update their maintenance plans to react to known global threats. 

Protecting and Maintaining Cooling Towers

A building may not be occupied at the moment, but regular maintenance must remain essential. Facility managers have a significant responsibility to mitigate and prevent the contamination of cooling towers from diseases. Although not much is know yet on the current COVID-19 virus threat to cooling towers, bacterial contamination poses an even more severe risk to cooling tower maintenance, Legionnaires disease. Legionnaires disease is a notable bacterial infection that can thrive in aquatic systems such as cooling towers used in industrial cooling systems, evaporative coolers, nebulizers, and hot water systems. Similar to viruses, bacteria like the legionella pneumophila can infect the lungs of people inhabiting and visiting buildings and facilities. 

Cooling towers that supply water for central air-conditioning systems, in general, are a common culprit for outbreaks of disease. These cooling towers spread recycled and fresh air throughout the interior climate of a building. The best maintenance practices to prevent both viral and bacterial contamination inside cooling towers are aggressive cleaning plans paired with personnel training, monitoring, and testing. 

The frequency and intensity of cooling tower cleaning should reflect the most recent government agency guidelines and the current local reports of contaminating risk levels. Frequent and lengthy scheduled cleaning of cooling towers will turn off critical building and operation equipment and will likely cause halts to facility operation. The risks to business operations need to be balanced with the current maintenance needs for facilities to ensure that business can continue while providing adequate maintenance for disease control. 

Facility managers can take numerous steps to mitigate the effects that increased cleaning plans and equipment downtime have on facility operations. These steps include tiered maintenance plans, where the facility shuts down only portions of cooling towers and related equipment at a time to maintain some level of operation while maintenance is cycled. Facility managers can also invest in the effectiveness and speed of their cleaning equipment. Smart investments in cleaning equipment can decrease the total downtime of equipment during cleaning. Goodway has numerous cleaning and maintenance solutions that facility managers can implement to reduce cleaning times while increasing effectiveness. Goodway’s cleaning solutions provide an economical and proven solution to preventing viral and bacterial build-up in cooling towers. 

The Dangers Of Ignoring Maintenance

Not correctly maintaining facility equipment, including cooling towers and water heating systems, can cost your thousands of dollars in repair and loss of efficient energy. But a danger much greater can be the fallout of a Legionella breakout. Take the mishandling of a Legionella breakout at an Illinois Veterans Home. After a year-long investigation of the break out that killed more than a dozen residents, Illinois paid nearly $6.4 Million to the families of the Veterans who lost their life to Legionella. General Frank Maution’s audit revealed the discharge of gallons of stagnant water when a hot-water heat was improperly returned to service that was previously offline. The leap that can be taken from a poorly maintained water tank to a cooling tower is not far apart. When water is left stagnant, a breeding ground for bacteria is created. Many buildings are unoccupied with non-essentials workers at home but make no mistake that regular maintenance is essential to keep buildings healthy for the return of occupancy.

Next Steps:

Research the complete line of Goodway’s Cooling Tower Cleaning Solutions to find the right solution for you.

Watch our webinar Preventative Maintenance for Cooling Tower Systems

Check out our 9 Tips To Controlling Legionella in Your Cooling Towers

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