In USA utility color coding, what does green represent?

In the context of USA utility color coding, green specifically represents sewer lines. This is an important color in the context of excavation and construction activities to help prevent accidental damage to underground utilities. Knowing the appropriate color codes is crucial for workers to identify utility lines correctly and to ensure the safety of construction crews as well as the general public. Green is universally accepted in the industry to denote sewer lines, which is why it is the correct answer in this scenario.

Other colors signify different utilities: for example, blue indicates water lines, yellow denotes gas lines, and orange typically represents communications. Understanding these codes is key in preventing disruptions and ensuring compliance with safety regulations during any digging or installation work.