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APWACOLORCODE

25 Jun 2018

APWA Uniform Color Code for Marking Underground Utility Lines. White means Proposed Excavation. Pink means Temporary Survey Markings. Red means Electric Power Lines, Cables, Conduit and Lighting Cables. Yellow means Gas, Oil, Steam, Petroleum, or Gaseous Materials. Orange means Communication, Alarm or Signal Lines, Cables or Conduit. Blue means Potable Water. Purple means Reclaimed Water, Irrigation, and Slurry Lines. Green means Sewers and Drain Lines.