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Legionella.io

HSE · 2017

HSG282

Control of legionella and other infectious agents in spa-pool systems

Reference last checked 27 June 2026

What it is
Dedicated guidance for spa pools and hot tubs, a recognised higher-risk system.
Who it binds
Operators and duty holders responsible for spa-pool systems.
What it covers
Design, operation, water treatment, monitoring and management of spa pools and hot tubs.
Key references
Commercial, domestic-let and display spa pools; disinfection, microbiological monitoring and management.
Edition
2017

Our explainers

Editions and clause references are confirmed against the publisher on the date shown; always check you are reading the current version. Nothing here is legal advice. See the control-parameters reference for the numbers, and all standards.