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What is the APWA color code?

Author

Mia Ramsey

Published Feb 28, 2026

What is the APWA color code?

Orange: Communication, alarm or signal lines, cables or conduits, and fiber. Blue: Potable water. Purple: Slurry, irrigation and reclaimed water. Green: Sewers, drainage facilities or other drain lines.

Simply so, what is Apwa paint?

The American Public Works Association (APWA) recommends the following guidelines be used when marking underground utilities. White = Proposed Excavation. Pink = Temporary Survey Markings. Red = Electric Power Lines, Cables, Conduit and Lighting Cables. Yellow = Gas, Oil, Steam, Petroleum or Gaseous Materials.

Furthermore, what color are electric lines marked? What Markings Mean

Redelectric power lines, cables, conduit, and lighting cables
Orangetelecommunication, alarm or signal lines, cables, or conduit
Yellownatural gas, oil, steam, petroleum, or other gaseous or flammable material
Greensewers and drain lines
Bluepotable (drinkable) water

Also, what are the utility colors?

As a quick refresh, the APWA color code for utility marking is:

  • Red: electric power lines, cables, conduit and lighting cables.
  • Orange: telecommunication, alarm or signal lines, cables or conduit.
  • Yellow: natural gas, oil, steam, petroleum or other flammable.
  • Green: sewers and drain lines.
  • Blue: potable drinking water.

What color are sewer lines?

RedElectric power lines, cables, conduit, and lighting cables
YellowNatural gas, oil, steam, petroleum, or other gaseous or flammable materials
GreenSanitary sewers and drain lines
OrangeTelecommunication, alarm or signal lines, cables, or conduits
BluePotable water

What does blue spray paint mean?

BLUE: Potable, Water. GREEN: Sewers and Drain Lines. PURPLE: Reclaimed Water, Irrigation and Slurry Lines. PINK: Temporary Survey Markings.

What are pink locates?

PINK – Temporary Survey Markings, Unknown / Unidentified Facilities.

What do pink markers mean?

temporary survey markings

What color is a gas line?

Yellow

What does a pink flag mean in your yard?

Pink flags – These are used as temporary survey markings. As surveyors measure, they mark their work with pink flags. Measure twice, cut once, and use plenty of pink flags. Pink is also used to mark mysteries. If a utility can't be identified, a worker will pink flag it.

What do the 811 colors mean?

White: Pre-marking of the outer limits of the proposed excavation or marking the centerline and width of proposed lineal installations of buried facilities. Pink: Temporary Survey Markings. Red: Electric power lines, cables or conduit, and lighting cables. Yellow: Gas, oil, steam, petroleum, or gaseous materials.

What do utility paint colors mean?

These markings are color-coded, and are painted by contractors onto the pavement. The main colors based on the convention are used in the same way as in the US: red for electricity, yellow for gas, and blue for water.

What is Miss Utility?

Miss Utility helps homeowners with just one call. Miss Utility is your partner when it comes to safe digging. With one call, Miss Utility will process your locate request and notify the owner-member utilities of your digging plans.

What does pink survey tape mean?

Pink is strictly used by land surveying companies to state where the temporary survey markings are. The color codes for locating utilities, conduit or rebar in concrete can present slightly different colors depending on the surface.

What do the different colored utility flags mean?

RED – Electric Power Lines, Cables, Conduit and Lighting Cables. YELLOW – Gas, Oil, Steam Petroleum or Gaseous Materials. ORANGE – Communication, Cable TV, Alarm or Signal Lines, Cables or Conduit. BLUE – Water, Irrigation and Slurry Lines. GREEN – Sewers and Drain Lines.

Why is USIC in my yard?

The other reason flags have appeared in your yard is because someone is planning to do work. Engineers will request to have utilities marked out so that they can design new utility systems around the old ones. This practice is often refereed to as Subsurface Utility Engineering.

What does yellow paint on a tree mean?

Some of the other colors he uses are orange for trees to cut, green for trees to leave, and yellow to indicate which row to harvest in a plantation.

How far are electrical lines buried?

In addition, National Codes dictate the depth, below ground, these lines must be buried. Some low voltage underground circuits could be as shallow as 18 inches, while most higher voltage circuits will be deeper than 24 inches.

What does orange paint on a tree mean?

In most cases, that paint represents timber sale contract specifications. Orange paint often marks trees to be harvested. The most common marks are orange on trees that are scheduled to be harvested and blue for property boundaries. However, different organizations may use alternative color schemes.

What is the code for colors?

Major hexadecimal color codes
Color NameColor Code
Red#FF0000
Cyan#00FFFF
Blue#0000FF
DarkBlue#00008B

How do you read utility markings?

Colorful Language: Decoding Utility Markings Spray-Painted on City Streets
  1. Red: electric power lines, cables, conduit and lighting cables.
  2. Orange: telecommunication, alarm or signal lines, cables or conduit.
  3. Yellow: natural gas, oil, steam, petroleum or other flammables.
  4. Green: sewers and drain lines.
  5. Blue: drinking water.

How do you read Dig Safe markings?

Proposed excavation areas should be identified with white marks, with the excavator's company name or logo within the premarked areas. Premark the exact area of excavation using solid lines, dashes or dots. Failure to premark when practical may jeopardize your Dig Safe permit and/or result in a civil penalty.

What do survey colors mean?

Red: Electric power lines, cables or conduit, and lighting cables. Yellow: Gas, oil, steam, petroleum, or gaseous materials. Orange: Communication, alarm or signal lines, cables or conduits, and fiber. Blue: Potable water.

What color are storm drains painted?

Green – Sewer & Storm Drain.

Is color code for pipelines?

1 pipe color code standard, which is the industry consensus standard for marking pipes. Blue with White Lettering - Blue labels with white lettering are used for pipes that transport compressed air. Red with White Lettering - Red labels with white lettering are used for all fire quenching fluids.

What do the different colors of PVC pipe mean?

Q: There are many different colored pipes — some blue, some red, some lavender, some green — that traverse the canals, and pop up from the ground in other places. Blue pipes are used for potable or drinking water. Green pipes are sewer and drain lines.

What are USA markings?

USA means Underground Service Alert, and is a free service for anyone who will be digging, blasting, trenching, drilling, grading or excavating.

What does green paint on the road mean?

What it means: Green was chosen for bike markings to avoid confusion with other standard pavement marking colors. The primary purpose of these markings is to alert all other roadway users to the presence of a bicycle facility and a potential conflict and emphasize vehicle priority.

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What is the APWA color code?