What is the minimum depth of a potable water service pipe?

The minimum depth for a potable water service pipe is typically required to be 12 inches below grade. This depth is crucial in order to prevent potential damage to the pipe from surface activities, such as farming, construction, or snow removal. Additionally, burying the pipe at this depth helps to avoid contamination and ensures that the water remains at a consistent temperature, reducing the risk of freezing in colder climates.

The requirement for a minimum of 12 inches also aligns with various plumbing codes that prioritize the protection of underground water systems. By establishing a depth that is appropriate for the majority of soil conditions and environmental factors, this practice supports the overall integrity and functionality of the public water system. Keeping pipes at this specified depth helps maintain the quality and safety of potable water, which cannot be overstated in public health considerations.