Mesa: Snapshot of natural gas leaks

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City snapshot

  • How many leaks: Our readings indicated an average of about one leak for every 60 miles we drove within the study area.
  • Utility: The city of Mesa is serviced by multiple utilities, but only data from the City of Mesa Municipal System is shown here.
  • 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.
  • Dates mapped: Cars with air sensors took readings in the survey areas from March 2016 through April 2016. This map represents a snapshot in time and may not reflect current leaks due to repairs or other changes.
  • Progress: City of Mesa Municipal System has eliminated unprotected steel, which is known to be a leak-prone material, from its system.

Explore Mesa map

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.

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

More about why leaks are a problem »

Interactive map

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Video: How we map cities

We use Google Street View cars to detect leaks.

More about how this data is different »

Live in Arizona? Tell state officials you want more of this

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.