Overview
Cooling towers and evaporative condensers can spread legionella over a wide area, and have been linked to some of the largest outbreaks. They must be notified to the local authority and managed under a strict regime of water treatment, monitoring and cleaning.
What is included
- Cooling system legionella risk assessment
- Water treatment programme design and dosing checks
- Weekly dip slides and monitoring support
- Quarterly legionella sampling at UKAS-accredited laboratories
- Six-monthly cleaning and disinfection
- Notification of cooling towers (NCTEDA) support
- Log book and records management
Who needs it
Industrial sites, data centres, hospitals, large office buildings, food processing and any premises with cooling towers or evaporative condensers.
How often
HSG274 Part 1 sets out weekly, monthly, quarterly and six-monthly tasks. Systems must be cleaned and disinfected at least every six months.
Legislation and standards
ACoP L8, HSG274 Part 1, and the Notification of Cooling Towers and Evaporative Condensers Regulations 1992.
Frequently asked questions
Do cooling towers need to be registered?
Yes. Cooling towers and evaporative condensers must be notified to the local authority under the 1992 Regulations, and the authority told when they are no longer in use.
How often should cooling towers be sampled for legionella?
HSG274 Part 1 recommends legionella sampling at least quarterly, with more frequent sampling in some circumstances.
Cooling Tower & Evaporative System Treatment across the UK
We provide cooling tower & evaporative system treatment in every part of England, Scotland, Wales and Northern Ireland. Choose a city for local information: