Legionella Risk Assessment
As a leading expert in Legionella management, HTS is fully equipped to handle all aspects of water hygiene and compliance to control the spread of legionella control.
Our team has a strong, proven track record across various sectors, including education, Healthcare, Housing, Facilities Management, and the retail industry.
What’s involved in a legionella risk assessment?
Our team has a strong, proven track record across various sectors, including education, Healthcare, Housing, Facilities Management, and the Retail Industry.
What’s involved in a legionella risk assessment?
A Legionella risk assessment involves evaluating water systems to identify potential
sources of Legionella bacteria and implementing control measures to prevent its
growth and spread. Here’s what’s typically involved:
- Identify Water Systems: Review and identify all water systems in the building
such as hot and cold-water systems, showers, taps, and decorative water
features. - Assess the Risk: Evaluate the likelihood of Legionella growth in each water system, considering factors like temperature, water stagnation, and system design.
- Evaluate Control Measures: Check the current control measures in place, such as temperature control, water treatment, cleaning, and maintenance procedures.
- Identify Vulnerable Areas: Determine areas of the system that are most at risk for Legionella growth, such as poorly maintained tanks, pipes, or areas with stagnant water.
- Implement Control Strategies: Develop and recommend control measures to manage the risk, including regular cleaning, temperature adjustments, and chemical treatments.
- Monitoring and Testing: Establish a plan for regular monitoring, water sampling, and testing to detect Legionella bacteria, ensuring ongoing safety.
- Record Keeping: Maintain detailed records of the risk assessment, control measures, maintenance, and testing, which are crucial for compliance with regulations and audits.
- Schematic Drawing: Implement a schematic drawing that clearly shows the layout of the water system and the systems assets along with sentinel testing points.
- Staff Training: Ensure staff are trained on the risks and how to maintain systems to minimise Legionella risk.
A Legionella risk assessment should be conducted by a city & guilds trained assessor who performance is reviewed regularly to ensure ongoing compliance and safety.
Following completion, all Legionella Risk Assessments are accompanied with a free teams or site meeting to discuss the requirements and compliance actions.
FAQs
Legionella is a type of bacteria that can cause a severe form of pneumonia known as Legionnaires’ disease, as well as a milder illness called Pontiac fever. The bacteria thrive in warm, stagnant water, such as in plumbing systems, water tanks, cooling towers, and hot tubs. People can contract Legionnaires’ disease by inhaling water droplets or mist that contains the bacteria, often through showers, taps, or air- conditioning systems.
Legionella bacteria can be particularly dangerous for individuals with weakened immune systems, the elderly, and people with underlying health conditions.
Preventing its spread typically involves regular water system maintenance,
temperature control, and Legionella testing to ensure that systems are clean and safe.
People can contract Legionnaires’ disease by inhaling tiny water droplets or mist that contain Legionella bacteria. This usually happens when the bacteria grow in warm,
stagnant water systems such as:
- Showerheads or taps
- Hot tubs or spas
- Cooling towers in air-conditioning systems
- Fountains or decorative water features
- Plumbing systems in buildings, especially when water temperatures are not properly controlled
The bacteria do not spread from person to person. Instead, it’s the inhalation of the contaminated water droplets, often in the form of mist or vapor, that leads to infection.
Those at higher risk include the elderly, smokers, people with weakened immune systems, and individuals with chronic lung conditions.
A Legionella risk assessment is an evaluation of water systems to identify potential sources of Legionella bacteria and assess the risk of exposure. It includes identifying water systems at risk (e.g., cooling towers, taps, showers), evaluating conditions like temperature and stagnation that promote bacterial growth, and implementing control measures such as temperature regulation and regular cleaning. The assessment also involves ongoing testing and monitoring to ensure safety and compliance with legal requirements.
Yes, it is a legal requirement to have a Legionella risk assessment in many countries, including the UK. Under the Health and Safety at Work Act 1974 and the Control of Substances Hazardous to Health (COSHH) Regulations, employers and building owners are obligated to assess and manage the risk of Legionella in water systems.
Failure to carry out a proper risk assessment and implement control measures can result in legal penalties, fines, and health risks.
A Legionella risk assessment typically ranges from 40 pages, depending on the size and complexity of the facility. It includes details on water systems, risk evaluation, potential hazards, control measures, monitoring plans, and staff responsibilities. Larger systems may require a longer assessment, while simpler ones may be shorter.
