Create a new template for carrying out Legionella Inspections. A legionella inspection is used to check all water systems on your property to manage and reduce the risks associated with Legionnaire's disease. A Legionella inspection is carried out by a competent person to: Identify people at risk. Identify potential hazards. Identify the risk levels posed. Test the water system for Legionella. Put adequate control measures in place to minimise the risks. Recording the findings of the assessment. Review assessments. Sample water for Legionella bacteria.