Copy of Uniform Color Code

Uniform Color Code

The uniform color code is used for marking excavation sites and underground facilities in conflict with an excavation.

Underground facilities may be marked on the ground in either paint, stakes, or flags.

Proposed Excavation

Temporary Survey Markings

Electric Power Lines, Cables, Conduit, and Lighting Cables

Gas, Oil, Steam, Petroleum, or Gaseous Materials

Communications, Alarm, or Signal Lines, Cables, or Conduit

Potable Water

Reclaimed Water, Irrigation, and Slurry Lines

Sewers and Drain Lines

These colors represent certain utility types. They may be marked on the ground in either paint, stakes or flags.

These colors represent certain utility types. They may be marked on the ground in either paint, stakes, or flags.