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Legionella risk assessments are required for all rented accommodation, as well as for commercial and industrial premises. In the case of rented homes, the assessment may be simple, but it does need to be done.

Environmental Inspection consults, advises, and carries out Legionella Risk Assessments to ensure safety of people in homes and businesses.

Legionella is a bacterium, and is present in all water, but if given the right conditions, it can multiply to dangerous levels, presenting a serious risk to human health. If droplets of high levels of Legionella-containing water are inhaled, it can cause Legionnaires’ disease. The disease is potentially fatal, but can be effectively treated if recognised early.

Legionella testing for homes and commercial premises

Our experts assess hot and cold water systems to identify high risk areas. The assessment identifies areas in which conditions provide the potential to achieve high level concentrations of legionella bacteria.

The considerations are the same for homes and for businesses, but for homes, the systems are likely to be simpler, and easier to keep safe.

If managing accommodation for large numbers of people and / or vulnerable people e.g. care homes, then particular caution needs to be taken to minimise Legionella risk.

What should be included in a Legionella Risk Assessment?

A risk assessment should consider all of the following: (as defined by the Health and Safety Executive)

  • A description of the water system, including an up-to-date schematic diagram, so that the system can be evaluated as a whole.
  • An evaluation of the risk.
  • Consideration of the operation of the premises, and what might go wrong that could present a risk.
  • Safe operating procedures for the water system, including controls in place to control risks.
  • Is water stored or re-circulated in the system? How is this kept safe?
  • Results of monitoring, inspection and any checks carried out.
  • How adequate are the control measures currently in place?
  • Arrangements to review the risk assessment regularly, and particularly when there is reason to suspect it is no longer valid.
  • Identification and management of dead legs on the pipe work.