Legionella Compliance: Why No Illness Doesn’t Mean Safe Water
Why the Absence of Illness Doesn’t Prove Your Water System Is Legionella Safe
One of the most common misconceptions in Legionella management is the belief that if nobody has become ill, water systems must be being managed correctly.
At first glance, this seems logical. After all, if there have been no reported cases of Legionnaires’ disease, surely the controls are working?
Unfortunately, the reality is far more complex. When it comes to Legionella compliance, there is an important distinction between illness and exposure to risk. Understanding that difference is critical for anyone responsible for managing building water systems.
Legionella bacteria can be present in a water system without a confirmed case of illness. Effective compliance depends on identifying risks, maintaining appropriate control measures and keeping evidence that those measures are working.