LEGIONELLA - World Health Organization

Appendix 1 Example of
a water system checklist
Tasks to be done: Date:
Task Yes No Observat ons
Check the water tank and the water tank
chlorinator
Measure chlorine in water in tank Measurement: ppm
Measure chlorine in the municipal water supply Measurement: ppm
Measure temperature of the water in the tank Measurement: ºC
Raise the hot water in the taps to 70ºC
for 2 hours
Purge the fire-fighting water system
Check storage tanks and thermometers
in the boiler room
Check air-conditioner and heat pump filters
Clean and disinfect ornamental fountains
Present the weekly record sheets to the
hotel manager
Update the plans of the installation
Observations:
S gnature of techn c an respons ble:
S gnature of hotel manager:
LEGIONELLA AND THE PREVENTION OF LEGIONELLOSIS