Which of the following is crucial for maintaining water quality in treatment plants?

Routine testing of water samples plays a vital role in maintaining water quality in treatment plants because it allows operators to monitor the effectiveness of the treatment processes and detect any contaminants at the earliest stage. Regular testing ensures that the water meets public health standards and complies with regulatory requirements. By analyzing various parameters such as pH levels, turbidity, and the presence of pathogens or chemical pollutants, operators can quickly identify any deviations from acceptable water quality levels.

This proactive approach enables timely adjustments to the treatment processes, preventing potential health hazards and ensuring the safety of the drinking water supply. The continuous feedback from routine tests guides operations towards optimal performance and helps maintain the overall integrity of the water treatment system.