What should be installed at the end of a dead-end water main to facilitate maintenance?

A blow-off valve is installed at the end of a dead-end water main to facilitate maintenance. This valve allows for the removal of accumulated sediment and debris that can settle in the pipe over time, maintaining water quality and flow. By enabling easy drainage of the stagnant water in a dead-end line, the blow-off valve plays a crucial role in reducing potential issues such as bacteria growth or flavor changes in the water.

Additionally, it allows operators to perform routine maintenance and inspections without disrupting the entire system. Understanding the purpose and utility of a blow-off valve is essential for effective water system management, particularly in areas where sediment accumulation is a significant concern.