Underground Utility Color Codes

Home Underground Utility Color Codes
01.

YELLOW

Natural Gas, Oil or Steam.

02.

RED

Hydro, Electric Power Lines.

03.

BLUE

Portable Water.

04.

GREEN

Sewer and Drains.

05.

ORANGE

Communication, Fiber Optic and CATV

06.

PINK

Temporary Survey Markings

07.

WHITE

Proposed Excavation.

08.

PURPLE

Irrigation, Reclaimed Water, Slurry.

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