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Legionella Control & Prevention

in line with the HSE Approved Code of Practice ACOP L8


Call our Service Team on 01924 681785 - office hours Monday to Friday 9am to 5pm

If our Service Team are busy please email us at

Legionella Control & Prevention measures are just as important as the risk assessment and testing.  The HSE's ACOP L8 gives guidance on effective control and prevention measures.  Failure to establish, maintain and record the measures undertaken can result in substantial fines, prosecution and even imprisonment.


In September 2016 G4S was fined £1,8000,000 plus costs of £34,000 by Chelmsford Crown Court after an inspection by Environmental Health Officers.  The inspection was carried out after an employee contracted Legionnaires Disease.  The outbreak was not linked to the workplace, but the inspection found Legionella related Health & Safety failures which put employees and the public at risk.


In May 2018 a Norfolk Hotel was fined £50,000 by Magistrates for not managing their water temperatures correctly.  Because of high hot water temperatures, a guest was scalded.  The hotel advised the local council that the water temperatures were high to address the risk of Legionella.  When carried out in a "competent" manner Legionella checks would highlight the risk from high hot water temperatures.

Introducing LinkThru

Remote Temperature Monitoring


Developed by Cistermier the LinkThru system is a wireless temperature monitoring system.  This unique system uses mobile data to send regular water temperatures to a data bank.


Regular reports can then be produced allowing compliance with the HSE's ACOP L8.


Another unique feature of the system allows alerts to be set, notifying the user when water temperatures rise or drop below set levels.

The control and prevention measures that you need to put in place should be detailed in any risk assessment.  The required measures will vary from site to site and need to be carried out by someone who is competent.  Whilst measures may vary there are common tasks that should be in place for every site such as the flushing infrequently used outlets, regular temperature monitoring, cleaning and descale of spray outlets as well as regular servicing of water heaters, cooling towers and air conditioning systems.

Regular Temperature Monitoring

Cleaning & Disinfection of Tanks & Showers

Maintenance of Thermostatic Mixing Valves

Legionella Log Book & Water Wise Customer Desktop

Enquire About Our Control & Prevention Service

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