What procedures should be followed for water main flushing?

Routine flushing of water mains is an essential procedure to maintain water quality and system integrity. Over time, sediments can accumulate in the pipelines, leading to stagnation and potential contamination of the water supply. By implementing a regular flushing schedule, utilities can effectively dislodge and remove these sediments, ensuring that the water remains clear and safe for consumption.

Moreover, routine flushing helps prevent problems such as discoloration, taste and odor issues, and microbial growth. It allows for the identification of any faults or blockages within the system while also helping to maintain appropriate chlorine levels and overall water chemistry.

This approach to flushing is proactive rather than reactive, which is crucial for ensuring a consistent and reliable water supply. Other options suggest either a lack of regularity or only addressing conditions such as heavy rainfall, which does not account for ongoing maintenance needs throughout the year. Therefore, routine flushing stands out as the best practice for sustainable water quality management.