Underground Utility Color Code Underground Utility Color Code
What do the different colored paint and flags mean?
Temporary Survey Markings
Sewer and Drain Lines
Irrigation and Slurry Lines, Reclaimed Water
Electrical Power Lines, Cables, Conduit and Lighting Cables
Gas, Oil, Steam, Petroleum or Gaseous Materials
Communications, Alarm or Signal Lines, Cables or Conduit
There is no cost to you to contact 811 to find out where your underground utility lines are.