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Legionella Risk Assessment
Legionella Risk Assessment
Steve Mason

Legionella Risk Assessment

Carrying out a legionella risk assessment and ensuring it remains up to date is required under health and safety law and is a key duty when managing the risk of exposure to legionella bacteria. If the risk assessment concludes there is no reasonably foreseeable risk or the risks are insignificant and are managed properly to comply with the law, the assessment is complete. Although no further action may be required at this stage, existing controls must be maintained. The assessment of risk is an ongoing process and not merely a paper exercise. Duty holders should arrange to review the assessment regularly and specifically when there is reason to suspect it is no longer valid. An indication of when to review the assessment and what to consider should be recorded and this may result from, e.g: • a change to the water system or its use. • a change to the use of the building where the system is installed; • new information is available about risks or control measures; • the results of checks indicating that control measures are no longer effective; Š changes to key personnel; • a case of legionnaires' disease/Legionella associated with the system. • Any water system that has the right environmental conditions could potentially be a source for legionella bacteria growth. There is a reasonably foreseeable legionella risk in your water system if: • water is stored or re-circulated as part of your system; • the water temperature in all or some part of the system may be between 20–45°C; • there are deposits that can support bacterial growth, such as rust, sludge, scale and organic matter; • it is possible for water droplets to be produced and, if so, whether they can be dispersed; • it is likely that any of your employees, contractors, visitors etc could be exposed to any contaminated water droplets.

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Free Legionella Risk Assessment Checklist

Use this Template

Title Page

  • Site

  • Conducted on

  • Prepared by

Legionella Risk Assessment

  • Is there any tenant, resident or regular visitor particularly suscetible to legionella due to age, health or lifestyle?

  • Did the person carrying out the assessment have access to competent help and advice when carrying out the assessment?

  • Take a photo of the cold water system

  • Provide a short description

  • Take a photo of the hot water system

  • Provide a short description

Water Outlet Temperature

  • Is the cold water temperature at water outlets below 20° Celsius?

    • Temperature in Celsius:

  • Is the hot water temperature at water outlets above 50° Celsius?

    • Temperature in Celsius:

Cold Water System

  • Cold water storage tank location (photo)

  • Is a cold water storage tank present?

  • Is the cold water tank accessible?

  • Does it have a tight-fitting lid?

  • Is the water in the tank clean and free from rust, debris, scale, and organic matter?

  • Is the temperature of the water in the tank below 20 ° celsius?

    • Temperature in Celsius:

  • Is the cold water tank insulated?

Hot Water System

  • Is the temperature setting on the boiler and/or hot water tank such that hot water is heated to and stored at a temperature of 60 ° celsius?

  • Are the hot water distribution pipes insulated?

  • If more than one calorifier is used, are they connected in parallel?

  • Does the calorifier have the following fitted?

  • A drain valve?

  • A temperature gauge on the inlet and outlet?

  • An access panel?

Little Used Outlets

  • Are there any water outlets are used less than once per week e.g. guest bathrooms?

  • Are there arrangements in place to flush them through on at least a weekly basis?

Shower heads

  • Are there any showers in the site?

  • Take photo of a shower location as an example

Dead Legs and Redundant Pipework

  • Sections of pipework which are redundant or owing to the system design and have little/no through the flow of water (knows as 'dead legs") can allow water to stagnate in the system.

  • Are there any dead legs on the property?

  • Take photo location

General management arrangements

  • Is the property left unoccupied for periods of time?

  • Are there arrangements in place to flush them through on at least a weekly basis?

  • Is there a water system management schedule in place?

  • Is there a trained responsible person appointed to carry out the management schedule?

Completion

  • Full Name and Signature of person completing the inspection

Legionella Risk Assessment
Steve Mason

Legionella Risk Assessment

Carrying out a legionella risk assessment and ensuring it remains up to date is required under health and safety law and is a key duty when managing the risk of exposure to legionella bacteria. If the risk assessment concludes there is no reasonably foreseeable risk or the risks are insignificant and are managed properly to comply with the law, the assessment is complete. Although no further action may be required at this stage, existing controls must be maintained. The assessment of risk is an ongoing process and not merely a paper exercise. Duty holders should arrange to review the assessment regularly and specifically when there is reason to suspect it is no longer valid. An indication of when to review the assessment and what to consider should be recorded and this may result from, e.g: • a change to the water system or its use. • a change to the use of the building where the system is installed; • new information is available about risks or control measures; • the results of checks indicating that control measures are no longer effective; Š changes to key personnel; • a case of legionnaires' disease/Legionella associated with the system. • Any water system that has the right environmental conditions could potentially be a source for legionella bacteria growth. There is a reasonably foreseeable legionella risk in your water system if: • water is stored or re-circulated as part of your system; • the water temperature in all or some part of the system may be between 20–45°C; • there are deposits that can support bacterial growth, such as rust, sludge, scale and organic matter; • it is possible for water droplets to be produced and, if so, whether they can be dispersed; • it is likely that any of your employees, contractors, visitors etc could be exposed to any contaminated water droplets.

Use this Template
The templates available in our Public Library have been created by our customers and employees to help get you started using SafetyCulture's solutions. The templates are intended to be used as hypothetical examples only and should not be used as a substitute for professional advice. You should seek your own professional advice to determine if the use of a template is permissible in your workplace or jurisdiction. You should independently determine whether the template is suitable for your circumstances.

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