True or False: Legionella expertise is essential for surveying a facility's water systems and constructing flow diagrams.

Legionella expertise is indeed crucial when surveying a facility's water systems and constructing flow diagrams. Understanding the behavior of Legionella bacteria, how they proliferate in water systems, and the conditions that favor their growth is vital for effectively assessing and managing the risks they pose.

In surveys, professionals must identify areas where water stagnation occurs, evaluate temperature control measures, and recognize potential sources of aerosolized water that could pose risks. Flow diagrams are essential tools for mapping out the water systems within a facility, allowing for a comprehensive understanding of how water moves throughout the building and where interventions may be necessary to mitigate Legionella growth.

Without this expertise, a survey may miss critical risk factors or fail to adequately reflect the complexities of the water systems in use. Therefore, having specialized knowledge in Legionella assessment is fundamental to both surveying and constructing effective flow diagrams.