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What to do if you smell gas

Natural gas is almost pure methane, which does not have any odor. For safety purposes, gas distribution companies must add a chemical odor to natural gas so that it can be detected.

If you smell gas inside a building...

Evacuate the building as rapidly as possible.

  • DO NOT TURN ON OR OFF ANY ELECTRIC LIGHTS OR APPLIANCES
  • DO NOT OPEN OR CLOSE THE WINDOWS
  • DO NOT TRY TO SHUT OFF THE GAS

Call your gas company from outside the building. If you don't know your gas company, call 911.

Company Name Telephone Number
Berkshire Gas (413) 445-0230
Blackstone Gas (508) 883-9516
Columbia Gas of MA (800) 525-8222
Eversource Energy (800) 592-2000
Holyoke Gas & Electric (413) 536-9335
Liberty Utilities (800) 544-4944 or (800) 936-7000
Middleborough Gas & Electric (508) 947-1535 (Option 1)
National Grid (800) 233-5325
Unitil (603) 294-5177
Wakefield Municipal (781) 953-2245
Westfield Gas & Electric (413) 572-0000 (Option 0)

If you smell gas outside...

Call your gas company from outside the building. If you don't know your gas company, call 911.

Company Name Telephone Number
Berkshire Gas (413) 445-0230
Blackstone Gas (508) 883-9516
Columbia Gas of MA (800) 525-8222
Eversource Energy (800) 592-2000
Holyoke Gas & Electric (413) 536-9335
Liberty Utilities (800) 544-4944 or (800) 936-7000
Middleborough Gas & Electric (508) 947-1535 (Option 1)
National Grid (800) 233-5325
Unitil (603) 294-5177
Wakefield Municipal (781) 953-2245
Westfield Gas & Electric (413) 572-0000 (Option 0)

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