Control of Legionella in Hot & Cold Water Systems - LC3

The Control of Legionella in Hot and Cold Water Systems, our training course module LC3 forms an essential part of our online legionella training programme and is compulsory. The course provides a  review of those issues associated with the control of legionella bacteria in hot and cold water systems and builds on the subjects covered in course modules LC1 and LC2.

Subjects Covered in Module LC3

  • Types of hot and cold water systems including gravity systems with recirculation, gravity systems without recirculation and pressurised systems.
  • Key elements of good design.
  • Legionella risk assessments.
  • Achieving safe system operation.
  • Temperature and water treatment control regimes.
  • The written scheme.
  • Record keeping and the site Logbook.
  • Routine monitoring and analysis.
  • Cooling system cleaning and disinfection procedures.

Examination Details

This training module concludes with a multiple choice style examination comprising 2 sections, each section containing 10 questions selected from the course material (total question count is 20).

The duration of the examination is 40 minutes and the pass threshold is 70%.

3 examination attempts are allowed.

Course Pricing

Training package - modules LC1, LC2 & LC3 - 1 user licence = £199*

Multiple user licences ... pricing schedule

To purchase training modules or for more information please call us on +44 (0) 161 877 0586 or email This email address is being protected from spambots. You need JavaScript enabled to view it..


New User ... Register (select "New user?")

Registered User ... Login

*All prices quoted pounds sterling per licence, excluding VAT where applicable.

Online Training Terms & Conditions

Get in touch...

Legionella Control International
Unit B Badex Building
Westbrook Park
Manchester M17 1AY
United Kingdom

Manchester: +44 (0) 161 877 05 86
London: +44 (0) 203 637 47 48

Download our latest brochure...

Legionella Control & Water Safety Services Brochure

Eliminate uncertainty, mitigate your risk now…

Contact Us Today

Legionella Control International is trusted by clients worldwide...