Control of Legionella

With the increased publicity surrounding recent outbreaks of Legionnaires Disease, effective water treatment is of paramount importance to those carrying out installation and maintenance of hot and cold water supply systems and to those who are responsible for managing the properties and for employed and self employed workers who will be working on water storage systems for hostels, charities, universities and colleges, local authorities, managing agents, landlords in the private sector, housing associations, hoteliers and B&B, guest house and holiday camp owners.

The Legionella and water treatment course is designed to enable installers to understand the requirements of applicable regulations, HSE guidance (L8 & ACop), British Standards and Water Regulations. Furthermore it gives an appreciation of the Legionella bacteria, its formation and associated health risks. On completion of the course the installer will be able to undertake risk assessments and carry out disinfection using a range of methods.



ERS Certification in Control of Legionella

Attendance/Course Duration

Usually held on a Wednesday (8.15am to 4.00pm.) 1 day with the theory assessment undertaken in the afternoon

Entry Requirements

No formal entry requirements (knowledge of the Water Fittings Regulations 1999 may prove helpful but not essential)

Course Content

The course will cover the following areas during the training and assessment;

  • General information for employers and owners of residential accommodation.
  • Water regulations (commissioning/cold water systems).
  • Risk assessment-hot and cold water systems.
  • Controlling the risks associated with Legionella.
  • Water treatment and legionnaires' disease.
  • Physical disinfection.


The multiple choice open book theory assessment will confirm your understanding of the guidelines, responsibilities and legal requirements in the ACoP and guidance note L8 and how to introduce effective control measures.

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