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Annual Report Mileage for Natural Gas Transmission & Gathering Systems

July 1, 2025
 
 

Annual Report Mileage for Natural Gas Transmission & Gathering Systems

YEAR NUMBER OF RECORDS PIPE TOTAL ON-SHORE TRANS
MISSION		 OFF-SHORE TRANS
MISSION		 TOTAL TRANS
MISSION		 ONSHORE GATHERING OFFSHORE GATHERING TOTAL GATHERING
2024 1,446 411,203 298,043 2,834 300,878 105,226 5,099 110,325
2023 1,462 412,006 297,680 2,782 300,462 106,175 5,369 111,545
2022 1,463 413,260 298,111 2,774 300,885 106,868 5,506 112,375
2021 1,367 318,684 298,755 2,778 301,533 11,388 5,763 17,151
2020 1,386 319,235 298,837 2,836 301,673 11,611 5,951 17,562
2019 1,388 320,128 298,910 3,430 302,340 11,946 5,842 17,788
2018 1,349 319,544 298,523 3,105 301,628 11,714 6,202 17,916
2017 1,313 318,834 297,580 3,156 300,737 11,854 6,243 18,097
2016 1,288 318,145 296,985 3,298 300,282 11,518 6,345 17,863
2015 1,275 318,949 297,335 3,831 301,166 11,620 6,163 17,783
2014 1,261 319,354 297,902 3,923 301,824 11,441 6,089 17,530
2013 1,227 320,246 298,378 4,490 302,869 11,297 6,080 17,377
2012 1,189 319,914 298,613 4,769 303,382 10,586 5,947 16,532
2011 1,147 324,336 299,730 5,328 305,059 12,903 6,374 19,277
2010 1,080 324,458 299,360 5,447 304,808 12,965 6,694 19,650
2009 1,553 324,936 298,964 5,596 304,560 13,865 6,512 20,376
2008 1,496 322,913 297,267 5,914 303,181 13,191 7,472 20,663
2007 1,485 321,108 294,939 6,127 301,066 12,686 7,356 20,042
2006 1,499 321,222 293,706 6,619 300,324 13,348 7,550 20,898
2005 1,484 324,222 294,800 5,668 300,468 16,220 7,534 23,754
2004 1,427 327,994 296,945 6,057 303,001 17,397 7,595 24,992
2003 1,462 324,492 295,403 6,090 301,493 16,426 6,573 22,999
2002 1,454 325,741 296,794 6,205 302,999 17,426 5,316 22,742
2001 1,332 311,391 284,453 5,541 289,994 17,562 3,835 21,397
2000 1,168 326,518 293,716 5,241 298,957 21,879 5,682 27,561
1999 1,182 328,335 290,042 6,017 296,059 26,360 5,916 32,276
1998 1,169 331,874 295,601 7,108 302,709 23,492 5,673 29,165
1997 1,363 328,777 287,745 6,625 294,370 28,246 6,161 34,407
1996 1,284 313,218 277,861 6,811 284,672 23,962 4,584 28,546
1995 1,270 327,878 288,846 8,101 296,947 26,669 4,262 30,931
1994 1,230 332,861 293,438 8,107 301,545 27,404 3,912 31,316
1993 1,132 325,319 285,043 8,220 293,263 28,431 3,625 32,056
1992 1,183 324,097 283,071 8,397 291,468 28,909 3,720 32,629
1991 1,211 326,575 285,295 8,567 293,862 29,009 3,704 32,713
1990 1,106 324,331 283,815 8,110 291,925 29,252 3,154 32,406
1989 1,033 320,070 279,728 8,198 287,926 29,597 2,547 32,144
1988 1,021 315,859 275,931 7,886 283,817 28,941 3,101 32,042
1987 963 323,988 284,235 7,622 291,857 29,654 2,477 32,131
1986 1,008 321,653 280,667 9,291 289,958 29,737 1,958 31,695
1985 952 325,933 282,745 7,719 290,464 33,729 1,740 35,469
1984 885 321,915 277,601 7,353 284,954 33,290 3,671 36,961

 

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Annual Report Mileage for Natural Gas Transmission & Gathering Systems Chart Year 2020

Note: 
A. After 2009 information is from Part J Miles of Pipe by Decade of Installation on Form PHMSA F7100.2-1 (8-2023)
B. 2009-2001 information is from Part B.3 Miles of Pipe by Decade of Installation on Form RSPA F7100.2-1 (01-02)
C. Prior 2001 information is from Part B.1 General System Description Miles of Pipeline on Form RSPA F7100.2-1 (11-85)
D. Historical totals may change as PHMSA receives supplemental information
E. Onshore gathering includes regulated gas gathering - Type A, B & C

Last updated: Monday, July 7, 2025