What should the driver check when drafting water?

When drafting water, it is crucial to check the water tank level because this indicates the availability of water that can be utilized for firefighting operations. Ensuring there is sufficient water in the tank is vital for maintaining an adequate supply during emergency situations. If the tank is low or empty, it could hinder the firefighting efforts and put both the crew and those they are responding to at greater risk.

While other factors, like the efficiency of the pump, truck engine temperature, and hose connections, are important in their own right, they do not directly pertain to the immediate concern of having enough water available for the pump to function effectively. Therefore, verifying the water tank level stands out as the most critical check when drafting water. This focus ensures that resources are adequately prepared for swift and effective response in the field.