Recognizing A Pipeline Leak

The following are indications of a possible pipeline leak:

  • Brown or discolored vegetation amid healthy plants
  • Dirt being blown into the air
  • Colorful sheens on water surfaces
  • Fire at or below ground level
  • Stains or pools of hydrocarbons not usually present in the right-of-way
  • Bubbles coming from bodies of water
  • A loud roar or hissing sound
  • Distinctive petroleum type odors or the smell of mercaptan or sulfur (rotten eggs)
  • A dense white cloud or fog

On occasion, a pressure-relieving device may activate at an aboveground pipeline facility. These devices are acting as designed to relieve pressure on the system to prevent over pressurization.

Under no circumstances should a pressure relieving device be capped or valved-off.