Guidance

Standard Operating Procedures

Checklists

International Guidance

European Legionnaires' Disease Surveillance Network (ELDSNet)-Operating Procedures 

European technical guidelines for the prevention, control and investigation of infections caused by Legionella species (June 2017)

Legionella and the Prevention of Legionellosis, WHO 2007

Legionnaires' disease: The control of legionella bacteria in water systems Approved Code of Practice and guidance (HSE UK, 2013) 

Control of legionella and other infectious agents in spa-pool systems (HSE, UK - January 2017)