Temporary marking provided by operators and excavators to indicate the approximate location of underground facilities and work site boundaries shall utilize the following color code per facility type:(1) WHITE: Proposed excavation.(2) PINK: Temporary survey markings.(3) RED: Electric power lines, cables, conduit, and lighting cables.(4) YELLOW: Gas, oil, steam, petroleum, or gaseous materials.(5) ORANGE: Communication, alarm or signal lines, cables, or conduit.(6) BLUE: Potable water.(7) PURPLE: Reclaimed water, irrigation, or slurry lines.(8) GREEN: Sewer or drain lines.
West Virginia Legal Code