Faq Categories: Legionella Risk Assessment

Yes. Findings can inform Planned Preventative Maintenance schedules and contractor oversight, supporting ongoing water hygiene governance rather than one-off reporting.

Identified hazards are assessed using a structured likelihood and consequence framework. Remedial actions are assigned priority and governed through structured remediation tracking to ensure proportionate risk reduction.

Not necessarily. Sampling may be recommended where system conditions or risk factors indicate potential concern. The need for sampling is determined based on system design, risk profile and management controls.

Legionella Risk Assessments should be reviewed regularly and whenever significant changes occur, such as modifications to water systems, changes in building use or occupancy, or following an incident. Higher-risk environments may require more frequent review.

Yes. UK health and safety legislation requires duty holders to assess and control the risk of legionella in water systems. A suitable and sufficient assessment must be carried out and kept under review.

A Legionella Risk Assessment is required wherever a building has water systems that could support legionella growth — for example, hot and cold water systems, tanks, showers and outlets. Assessments should also be reviewed periodically and whenever there is reason

A Legionella Risk Assessment is a structured evaluation of a premises’ water systems to identify where legionella bacteria could grow, assess the risks to people, and determine appropriate control measures to prevent exposure. It supports ongoing water hygiene compliance under