What do the colored markings mean?
  • 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 - Sewers and Drain Lines
  • WHITE - Proposed Excavation
  • PINK - Temporary Survey Markings

Ticket Field Explanation (PDF)

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1. What is the cost to have an area marked?
2. What should I do if I damage a line?
3. What do the colored markings mean?