What is the specific application for polyethylene water pipe?

Polyethylene water pipe is specifically designed for use as a water service pipe. This application is particularly relevant due to the material's properties, which include excellent resistance to corrosion, chemicals, and weathering, making it especially suitable for carrying potable water. Polyethylene's flexibility allows it to be installed in various configurations and depths, which is advantageous for avoiding obstacles in the ground and adapting to changes in the landscape.

The use of polyethylene as a water service pipe is also linked to its ability to withstand the pressure typically associated with potable water systems, ensuring reliability and safety in water delivery. Its lighter weight compared to other materials facilitates easier handling and installation, contributing to cost-effectiveness in pipeline projects.

While there are other applications for polyethylene, such as drainage systems and fittings, its primary role in the context of potable water supply is what defines it as the correct option for this question.