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Day: April 16, 2026

Technician checking a GRP cold water storage tank with a temperature meter and risk assessment checklist, representing Legionella risk assessment for building water systems.

Legionella Risk Assessment for Building Water Systems

This guide explains what a Legionella risk assessment is, who is legally required to conduct one, what it must cover, and how the written control scheme and documentation obligations follow from it. It focuses on cold water storage systems in multi-storey buildings – the context in which these obligations are most commonly misunderstood.

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