What Do The Marks Mean?

Once you contact WV811, member utilities will dispatch someone to come and mark the lines on your property. Each color represents a different utility, and are part of a centralized color-coding system used across the country. Click on the image below to learn more about the APWA (American Public Works Association) Uniform Color Code, and how they apply to your property and home.

Color Code

Below are the colors used when marking Underground Utility Lines

  White
Proposed excavation

  Pink
Temporary survey markings

  Red
Electric power lines, cables, conduit and lighting cables

  Yellow
Gas, oil, steam, petroleum or gaseous materials

  Orange
Communication, alarm or signal lines, cables or conduit

  Blue
Potable water

  Purple
Reclaimed water, irrigation and slurry lines

  Green
Sewer and drain lines

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