Safety  >  Gas leaks

What does natural gas smell like?

Smell gas?

Report it fast!

Call 24 hours:
Toll-free: 1-800-663-9911

Rotten eggs: a bad smell for a good reason

Natural gas and piped propane smell like rotten eggs or sulphur. Because natural gas is odourless, we add trace amounts of a chemical called mercaptan, which has a distinctive rotten egg or sulphur-like odour. It smells bad for a good reason! In case of a leak, we want you to be able to detect and identify it. We never charge to investigate a gas odour call.

What to do if you smell gas

If you smell gas or hear the flow of escaping gas, follow these steps immediately:
  • Don't smoke, light matches, operate electrical switches, use either cell or telephones, or create any other source of ignition.
  • Leave the building immediately; leaving the door open and any windows that may already be open.
  • Turn your gas off at the meter, if you know how.
  • Get to a nearby phone and call the Terasen Gas 24-hour Emergency Line at
    1-800-663-9911, or 911 or the fire department emergency number.

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