Call 811 Utilities
Use the 811 utility locate codes below to determine what types of utilities have been located after they have been marked on your job site.
Manhole Installation Utilities | 811 Electric Utility Color Code
Manhole Installation Utilities | 811 Electric Utility Color Code
Red: electric power lines, cables, conduit, and lighting cables.
Manhole Installation Utilities | 811 Communications Utility Color Code
Manhole Installation Utilities | 811 Communications Utility Color Code
Orange: telecommunication, alarm or signal lines, cables, or conduit.
Manhole Installation Utilities | 811 Gas Oil Steam Utility Color Code
Manhole Installation Utilities | 811 Gas Oil Steam Utility Color Code
Yellow: natural gas, oil, steam, petroleum, or other gaseous or flammable material.
Manhole Installation Utilities | 811 Sewer Drainage Utility Color Code
Manhole Installation Utilities | 811 Sewer Drainage Utility Color Code
Green: sewers and drain lines.
Manhole Installation Utilities | 811 Potable Water Utility Color Code
Manhole Installation Utilities | 811 Potable Water Utility Color Code
Blue: drinking water.
Manhole Installation Utilities | 811 Reclaimed Water Utility Color Code
Manhole Installation Utilities | 811 Reclaimed Water Utility Color Code
Purple: reclaimed water, irrigation, and slurry lines.