Key points
- CDC provides guidance on reducing the risk for Legionella growth and spread in water systems.
- The first resource below provides general guidance for routine water quality monitoring.
- The other resources address special circumstances after a period of reduced water use to ensure safe resumption of normal operations.
Guidance resources
Monitoring building water
This guidance relates to specific building water parameters (temperature and disinfectants) to reduce the risk for Legionella growth and spread.
Displaying hot tubs at temporary events
This guidance addresses minimizing risk for Legionella exposure from hot tub displays at fairs, home and garden shows, and conventions.
Resuming cruise operations
This guidance addresses special considerations prior to and during the resumption of cruise operations after a no-sail period or reduced operation.
Reopening buildings
This guidance addresses special considerations prior to and as buildings reopen after a prolonged shutdown or reduced operation.
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