Legionella Prevention and Water Treatment - Nationwide Training Services Scotland
Print this page
Course In Plumbing

Legionella Prevention and Water Treatment

Course Info
Certification Logic Certification
Price Call for a quote
Guided learning hours 1 day
Expiry 5 years
Want to know more?Click to make an enquiry


The Legionella Prevention and Water Treatment course is designed to help candidates meet the requirements of HSE document Approved Code of Practice (ACoP), in particular guidance note L8, which details the responsibility of those in-charge of maintenance for hot and cold water systems (Calorifiers, Spa Baths, taps, showers etc) to keep all building occupants safe from the risk of the disease.

There are two versions of the course: for the plumbers and operators that carry out work on the water supply system, and the supervisors/managers tasked with ensuring its safe operation.

Learner will

Be trained and assessed in the following areas:

  • Background to Legionnaires Disease
  • What is the Legionella Bacteria
  • Where and how does it multiply
  • How is it spread and contracted
  • How is it spread and contracted
  • Duties, obligations and records
  • Assessing the risk, Controlling and mitigating the risk
  • Methods of Treatment, Prevention and disinfection

The plumber and operator version also includes practical detail regarding how to disinfect a domestic water system using various methods; chlorine, bleach and silver hydrogen peroxide.

The course is not designed to cover water towers and cooling system in any depth


Candidates for the plumber and operator's course must hold a valid certificate in WRAS Water Regulations.

Candidates for the supervisors and managers version do not require any formal qualification however they should have a good understanding of water systems and current best practice legislation.

Assessment method

Plumbers and operators will have to complete a practical and written assessment, managers and supervisors only have to undertake the written version. Legionella Prevention and Water Treatment assessment is based on the requirements of the L8 document.