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
