What should be done immediately after identifying a significant spill in a water distribution system?

Turning off the surrounding valves is crucial immediately after identifying a significant spill in a water distribution system. This action helps to contain the leak and prevents further loss of water or potential contamination of the water supply. By isolating the affected section of the system, it protects the integrity of the remaining distribution network, minimizing the risk of extensive damage and ensuring that other areas continue to receive adequate water pressure and quality.

In response to a spill, acting swiftly to control the situation is the priority. While notifying local authorities, assessing the spill size and impact, and evacuating areas may all be necessary components of the response plan, the critical first step is addressing the system’s operational stability by closing the valves. This approach demonstrates a proactive measure to ensure public safety and system reliability.