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Natural Gas Pipeline Infrastructure

page last updated: December 3, 2025 | data last updated: October 12, 2025

Definitions

  • Mains: The primary pipes that transport natural gas through neighborhoods and industrial areas.
  • Services: Smaller pipes that connect individual homes or businesses to the mains.
  • The materials used for mains and services in the U.S. natural gas distribution system have changed dramatically over the past several decades. This shift reflects safety concerns, durability, leak prevention, and regulatory requirements.
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Source: U.S. Department of Transportation

Natural Gas Pipeline Infrastructure

Year
Region
State of Operation
Company
Main - Steel, Unprotected, Bare
Main - Steel, Unprotected, Coated
Main - Steel, Cathodically Protected, Bare
Main - Steel, Cathodically Protected, Coated
Main - Plastic
Main - Cast/Wrought Iron
Main - Ductile Iron
Main - Copper
Main - Other (Category 1)
Main - Other (Category 2)
2024United StatesTotal of All Companies24,61012,8798,959459,684856,25414,60840431,18346
2023United StatesTotal of All Companies25,95913,2989,327460,462841,29515,87242251,23543
2022United StatesTotal of All Companies27,19614,3219,699461,496840,93917,01044441,20838
2021United StatesTotal of All Companies28,16315,46610,800460,993805,42218,31846151,24432
2020United StatesTotal of All Companies30,22518,01510,236460,720787,85719,97947571,29834
2019United StatesTotal of All Companies31,73018,54810,639462,725771,73821,274494111,31731
2018United StatesTotal of All Companies33,36919,09610,772464,483755,04922,869513131,31428
2017United StatesTotal of All Companies35,41619,39911,149465,562738,00724,497536161,3680
2016United StatesTotal of All Companies37,68419,52311,559468,101721,14326,224549171,36120
2015United StatesTotal of All Companies39,92415,91212,027472,438705,82027,727574191,29119
2014United StatesTotal of All Companies41,82416,66912,605473,319689,30429,360625209290
2013United StatesTotal of All Companies43,89316,72012,979473,277674,20530,893670221,0190
2012United StatesTotal of All Companies47,69116,03713,656473,556661,17432,420730241,0160
2011United StatesTotal of All Companies48,16015,93814,181474,010644,78033,591751288900
2010United StatesTotal of All Companies49,63816,20517,304465,843619,39034,464785298150
2009United StatesTotal of All Companies47,74319,52813,149470,806620,60535,43181835824541
2008United StatesTotal of All Companies51,07619,24412,924473,004610,86336,81683235711524
2007United StatesTotal of All Companies51,77419,01913,650474,920601,91037,67190535832386
2006United StatesTotal of All Companies52,68819,11014,648468,191619,45037,129696351,653482
2005United StatesTotal of All Companies54,66117,71914,817453,003535,39639,761869351,382256
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