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Smell Gas? (215) 235-1212


PHILADELPHIA (August 10, 2020) –Tuesday, August 11 or 8/11, will be more than just another hot summer day. It’s a day when Philadelphia Gas Works (PGW) reminds City residents and contractors to dial 811 before digging to avoid potential injury and to reduce the risk of damaging natural gas infrastructure or other underground utility lines.


Regardless of the size of the project, anyone planning to pave, excavate, or demolish a building should – and is legally required to – call Pennsylvania 811. It is recommended to call three to 10 business days prior to beginning a project.


The 811 number connects callers to Pennsylvania’s “One Call” system, which alerts utilities to identify the location of service or distribution lines within the scope of the proposed worksite. The respective utilities will then visit the site to either indicate that the site is clear of utility lines or mark and/or flag the location of its infrastructure. 


PGW also encourages City residents to call 811 to report any suspect contractor that may be digging without a valid Pennsylvania One Call ticket in place, which alerts all facility owners of a possible safety concern. Jobsites that do not have visible paint or flag markings onsite should be reported to 811.  


Calls to Pennsylvania 811 are free, available 24 hours a day, and helps make energy infrastructure safer. Notification to the 811 system can also be made online at For more information, visit PGW’s YouTube channel:


PGW is committed to delivering safe, reliable natural gas service to City residents and businesses. In addition to the reminder to call before you dig, PGW also urges anyone who smells a gas odor to leave the area immediately, and then call PGW’s 24-hour gas emergency hotline at (215) 235-1212 from a safe location. To learn more

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Smell Gas? Call (215) 235-1212

Natural Gas smells bad on purpose

That “rotten egg” smell is the smell of natural gas. If you think you smell gas leave the area immediately, and then call PGW at 215-235-1212 from a safe location.

Learn more Leaks, Odors, Safety Tips

Also if you smell gas:

  • Do not use electrical devices including cell phones which may cause a spark and ignite the gas.
  • Do not use an open flame, matches or lighters.
  • Do not try to locate the source of the gas leak.
  • Do not try to shut off any natural gas valves or gas appliances.
  • Do not start vehicles.
  • Do not re-enter the building or return to the area until a PGW employee or a qualified utility representative says it is safe to do so.
  • Do not put out the flames if natural gas ignites.