Mesa: Snapshot of natural gas leaks under city streets

Leaked natural gas – mostly methane – is a powerful contributor to climate change.

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Findings

Our readings indicated an average of about one leak for every 60 miles we drove within the study area.

Readings are from March through April 2016 and may not reflect current leaks, due to repairs or other changes.

If you ever smell gas, or have any reason to suspect a problem, experts say to immediately exit the building or area, then call authorities. For information about City of Mesa Municipal System, see their safety page.


About Mesa's natural gas infrastructure

  • Utility: The city of Mesa is serviced by multiple utilities, but only data from the City of Mesa Municipal System is shown here. Most leaks don't pose an immediate threat to safety or health, but some can. We have shared this data with City of Mesa Municipal System.
  • Pipe materials: About 66% of the pipes are made from plastic and 34% are made from protected steel.
  • Age of pipes: About 13% of the mains are more than 50 years old.
  • Progress: City of Mesa Municipal System has eliminated unprotected steel, which is known to be a leak-prone material, from its system.

Live in Arizona? Tell state officials this matters to you

Arizona utilities have been proactive in replacing older, leak-prone pipes. Still, there is room to improve by adopting state-of-the-art technologies. Tell the Arizona Corporation Commission that this matters to you.

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If you don't live in Arizona, find out how you can help.