Legionella & Water Hygiene Risk Management Training Course

Course Overview

Learning Objectives

• Explain the ecology of Legionella bacteria and the conditions that allow its growth and aerosol transmission.
• Analyze the duties of duty holders, responsible persons, and service providers under recognized Legionella frameworks.
• Conduct a structured survey of hot and cold water systems, cooling towers, and other aerosol-generating plant.
• Develop Legionella risk assessments that identify hazards, rate the level of risk, and prioritize practical control measures.
• Prepare written control schemes and water safety plans that define controls, monitoring, responsibilities, and corrective actions.
• Evaluate temperature control, biocide treatment, and alternative disinfection methods for hot and cold water distribution systems.
• Assess cooling tower and evaporative condenser controls, including water treatment, drift reduction, cleaning, and disinfection.
• Design sampling plans for Legionella and supporting water quality parameters, with correct sampling points and chain of custody.
• Interpret monitoring and laboratory results against the action levels defined in the written scheme and decide proportionate responses.
• Plan the response to positive results, suspected cases, and outbreaks in coordination with public health authorities.
• Establish record keeping, audits, and performance indicators that demonstrate effective control to inspectors.
• Develop an improvement plan to strengthen water hygiene governance, contractor management, and staff competence in their organization.

Who Should Attend

Learning Outcomes

• Explain how Legionella grows in building water systems and how aerosols create exposure risk.
• Identify the management duties of duty holders, responsible persons, and water treatment contractors.
• Prepare accurate schematic drawings and survey findings for building water systems and cooling plant.
• Conduct Legionella risk assessments and prioritize control measures according to the level of risk.
• Develop written control schemes and water safety plans with clear tasks and responsibilities.
• Apply temperature, flushing, and treatment controls to hot and cold water distribution systems.
• Evaluate cooling tower treatment, cleaning, disinfection, and drift control arrangements.
• Design sampling plans and interpret laboratory results against the action levels in the written scheme.
• Determine proportionate corrective actions when monitoring shows a loss of control.
• Coordinate outbreak response with public health authorities, contractors, and internal teams.
• Maintain records, audits, and performance indicators that demonstrate effective control.
• Develop a practical improvement plan for water hygiene governance in their organization.

Course Outline