Which component is key in a water treatment plant?

The chlorination systems for disinfection are crucial in a water treatment plant because they serve the primary function of ensuring that the water is safe for human consumption. Disinfection is a critical step in the water treatment process, as it eliminates harmful pathogens and microorganisms that can cause waterborne diseases. By using chlorine or other disinfectants, the system ensures that water remains free from contaminants as it moves through the distribution system. This process not only protects public health but also complies with regulatory standards set by health authorities.

While other components like booster pumps, storage tanks, and pressure gauges all play important roles in the overall operation and efficiency of a water treatment plant, their functions do not directly address the essential need for disinfection. Booster pumps facilitate water delivery and maintain system pressure, storage tanks provide a reservoir for the treated water, and pressure gauges are critical for monitoring system performance. However, without effective disinfection through chlorination systems, the water's safety cannot be guaranteed, making them the key component.