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Legionella Risk in Building Water Systems

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1. Legionella is a bacterium found in domestic building water systems that can cause Legionnaire’s disease or Pontiac Fever?
2. What kind of water conditions can increase risk?
3. Which condition is most associated with a Legionella hazard?
4. Routine inspection and monitoring activities that include inspections of all water system components, documenting temperature checks, flushing activities, maintenance, and performing periodic Legionella testing where required or indicated should not be initiated.
5. Why are Legionella hazard alerts issued?