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Pipeline Special Permits Issued

OperatorSystemDocket NumberIssue DateRenewal Date
EcoElectrica, L.P.Liquefied Natural GasPHMSA-2023-0114Apr 3, 2026 
Algonquin Gas TransmissionGas TransmissionPHMSA-2025-0013Mar 12, 2026 
Gulfstream LNGLiquefied Natural GasPHMSA-2025-1073Dec 23, 2025 
DTM Gas Storage CompanyGas TransmissionPHMSA-2023-0071Dec 12, 2025 
Gulf South Pipeline Company, LLCGas TransmissionPHMSA-2023-0126Sep 2, 2025 
Natural Gas Pipeline Co. of AmericaGas TransmissionPHMSA-2025-0011Jul 28, 2025Extension
Rockies Express Pipeline – Tallgrass EnergyGas TransmissionPHMSA-2022-0044Oct 3, 2023 
Sabal TrailGas TransmissionPHMSA-2021-0052Sept 19, 2023 
Florida Gas TransmissionGas TransmissionPHMSA-2023-0020Aug 22, 2023 
Florida Gas TransmissionGas TransmissionPHMSA-2020-0001Aug 22, 2023 
Colorado Interstate GasGas TransmissionPHMSA-2023-0002Jul 31, 2023 
Tennessee Gas PipelineGas TransmissionPHMSA-2023-0001Jul 31, 2023 
Florida Gas TransmissionGas TransmissionPHMSA-2023-0022Jul 27, 2023 
Colorado Interstate Gas Company, LLCGas TransmissionPHMSA-2022-0038Jul 24, 2023 
Tennessee Gas Pipeline Company, LLCGas TransmissionPHMSA-2022-0035Jul 24, 2023 
Columbia Gulf Transmission (CGT)Gas TransmissionPHMSA-2022-0084Jun 30, 2023 
Columbia Gas TCGas TransmissionPHMSA-2019-0202Jun 30, 2023 
East Tennessee Natural GasGas TransmissionPHMSA-2022-0167Mar 31, 2023 
Tennessee Gas PipelineGas TransmissionPHMSA-2019-0152Mar 30, 2023 
Tennessee Gas Pipeline Company, LLCGas TransmissionPHMSA-2017-0161Aug 11, 2022 
Southern Natural Gas Company, LLCGas TransmissionPHMSA-2020-0007Jul 27, 2022Extension
National Gas Pipeline of America, LLPGas TransmissionPHMSA-2019-0150May 17, 2022 
Colorado Interstate Gas CompanyGas TransmissionPHMSA-2017-0163Apr 11, 2022 
Southern Natural Gas Company, LLCGas TransmissionPHMSA-2016-0159Apr 11, 2022 
Florida Gas TransmissionGas TransmissionPHMSA-2021-0118Apr 4, 2022 
Columbia GasGas TransmissionPHMSA-2019-0201Mar 31, 2022May 22, 2023
Columbia Gas Transmission CoGas TransmissionPHMSA-2008-0331Mar 31, 2022 
Florida Gas TransmissionGas TransmissionPHMSA-2020-0044Mar 25, 2022Jul 27, 2023
National Fuel and GasGas TransmissionPHMSA-2021-0042Oct 15, 2021 
Buckeye PipelineGas TransmissionPHMSA-2020-0003Oct 15, 2021 
Columbia Gulf Transmission – RENEWALGas TransmissionPHMSA-2008-0066Jul 21, 2021 
Texas Eastern Transmission (TETLP) Enbridge, Inc.Gas TransmissionPHMSA-2008-0257Oct 28, 2020 
Gulf Stream PipelineGas TransmissionPHMSA-2018-0105Sept 10, 2020 
Gulf South Pipeline Company, LPGas TransmissionPHMSA-2020-0040Jul 24, 2020 
Gulf South Pipeline Company, LPGas TransmissionPHMSA-2019-0207Jul 20, 2020 
Kinder Morgan Pipeline CompanyGas TransmissionPHMSA-2006-25803Jun 18, 2020 
Alaska Gas Development Corporation – AGDCGas TransmissionPHMSA-2017-0157Apr 27, 2020 
Empire Pipeline CompanyGas TransmissionPHMSA-2008-0213Apr 24, 2020 
Gulf South Pipeline Company, LPNatural gas transmission pipelinePHMSA-2019-0174Apr 22, 2020 
Kern River Gas Transmission CompanyGas TransmissionPHMSA-2009-0319Mar 3, 2020 
Colonial Pipeline CompanyHazardous Liquid PHMSA-2009-0390Nov 25, 2019 
Texas Gas Transmission CompanyGas TransmissionPHMSA-2008-0158Sept 19, 2019 
Alaska Gas Development Corporation – AGDCGas TransmissionPHMSA-2017-0047Sept 9, 2019 
Alaska Gas Development Corporation – AGDCGas TransmissionPHMSA-2017-0046Sept 9, 2019 
Alaska Gas Development Corporation – AGDCGas TransmissionPHMSA-2017-0045Sept 9, 2019 
Alaska Gas Development Corporation - AGDCGas TransmissionPHMSA-2017-0044Sept 9, 2019 
Fairbanks Natural Gas - AlaskaGas TransmissionPHMSA-2013-0181Sept 9, 2019 
National Fuel and Gas Supply CorporationTransmissionPHMSA-2017-0090Aug 27, 2019 
Anchor Point Energy - Glacier Oil and GasTransmissionPHMSA-2010-0063Jul 8, 2019 
Gulf South Pipeline Company ak Boardwalk PartnersTransmissionPHMSA-2019-0015Jun 19, 2019 
Golden Pass LNGLiquefied Natural GasPHMSA-2018-0042Jun 3, 2019Oct 01, 2025
Hilcorp Alaska, LLCHazardous Liquid PHMSA-2017-0091Apr 29, 2019 
Gulf South PipelineGas TransmissionPHMSA-2018-0099Apr 2, 2019 
Empire Pipeline, Inc.Gas TransmissionPHMSA-2017-0158Oct 23, 2018 
Hawaiian Electric Power Company, Inc.Gas TransmissionPHMSA-2017-0155Oct 2, 2018 
NEXUS Gas TransmissionGas TransmissionPHMSA-2016-0009Jun 29, 2018 
Donlin Gold Limited Liability CorporationGas TransmissionPHMSA-2016-0149Jun 5, 2018 
Magellan Midstream PartnersTransmissionPHMSA-2016-0072May 14, 2018 
City of Bangor, MaineGas TransmissionPHMSA-2016-0087Jun 2, 2017 
Colorado Interstate Gas Company, L.L.C.Gas TransmissionPHMSA-2016-0008Sept 1, 2016Mar 17, 2023
EL Paso Natural Gas Company, L.L.C.Gas TransmissionPHMSA-2016-0007Sept 1, 2016Mar 17, 2023
Southern Natural Gas Company, LLCGas TransmissionPHMSA-2016-0006Sept 1, 2016Mar 17, 2023
Tennessee Gas Pipeline Company, L.L.C.Gas TransmissionPHMSA-2016-0004Sept 1, 2016Mar 17, 2023
Columbia GulfGas TransmissionPHMSA-2008-0330Oct 9, 2015 
Transcontinental Gas Pipe Line CompanyGas TransmissionPHMSA-2010-0041Jun 10, 2011 
Florida Gas Transmission CoGas TransmissionPHMSA-2008-0077Sept 23, 2009 
Texas Eastern Transmission LPGas TransmissionPHMSA-2007-27122Sept 23, 2009 
Trunkline LNG CoLNGPHMSA-2008-0327Sept 4, 2009 
Texas Eastern Transmission LP (TET)Gas TransmissionPHMSA-2008-0188Jul 31, 2009 
KB Cascade PipelineGas TransmissionPHMSA-2008-0140Feb 27, 2009 
Great Lakes Gas Transmission Co (GLGT)Gas TransmissionPHMSA-2007-27647Feb 27, 2009 
Gulf South Pipeline Co LPGas TransmissionPHMSA-2007-0039Feb 27, 2009 
Southern LNGLNGPHMSA-2008-0143Jan 8, 2009 
Gulf Clean Energy ProjectLNGPHMSA-2008-0139Jan 8, 2009 
Midcontinent Express Pipeline LLCGas TransmissionPHMSA-2007-27842Dec 5, 2008 
Gulf South Pipeline Co LPGas TransmissionPHMSA-2008-0068Nov 19, 2008 
Kern River Gas Transmission CompanyGas TransmissionPHMSA-2007-29078Nov 6, 2008Mar 3, 2020
Texas Gas Transmission LLCGas TransmissionPHMSA-2008-0067Jul 31, 2008 
Gulf South Pipeline Co LPGas TransmissionPHMSA-2007-28994Jul 31, 2008 
Southeast Supply Header LLCGas TransmissionPHMSA-2007-27607Jul 17, 2008 
Key West Pipeline CoHazardous Liquid PHMSA-2006-25026Feb 6, 2008 
Portland Natural Gas Transmission SystemGas TransmissionPHMSA-2006-24058Dec 17, 2007May 22, 2023
BP Exploration (Alaska) Inc.Hazardous Liquid PHMSA-2006-26613Oct 26, 2007 
ConocoPhillips Alaska Pipelines, Inc.Gas TransmissionPHMSA-2006-26529Oct 26, 2007 
Gulf South Pipeline Co LPGas TransmissionPHMSA-2006-26533Aug 24, 2007 
CenterPoint Energy Gas TransmissionGas TransmissionPHMSA-2006-25802Jul 31, 2007 
TC Keystone Oil Pipeline Operations IncHazardous Liquid PHMSA-2006-26617Apr 30, 2007 
Freeport LNG Development LPGas TransmissionPHMSA-2006-25734Apr 2, 2007 
Tuscarora Gas Transmission CoGas TransmissionPHMSA-RSPA-2004-19091Jul 6, 2006 
Rockies Express Pipeline LLCGas TransmissionPHMSA-2006-23998Jul 5, 2006 
Alliance Pipeline LPGas TransmissionPHMSA-2006-23387Jul 5, 2006 
DominionLNGPHMSA-2006-24044May 18, 2006 
Enstar Natural Gas CoGas DistributionPHMSA-RSPA-2004-19914Nov 28, 2005 
Southern LNGLNGPHMSA-2005-21747Sept 21, 2005 
BOC GasesHazardous Liquid PHMSA-2005-21314Sept 21, 2005 
Columbia Gas TransmissionGas TransmissionPHMSA-RSPA-2004-18757Feb 25, 2005Sept 24, 2019
Alyeska Pipeline Service CoHazardous Liquid PHMSA-RSPA-2004-18607Nov 10, 2004 
Texas Eastern Transmission, LPGas TransmissionPHMSA-RSPA-2003-15122Aug 23, 2004Sept 10, 2020
Chevron USA IncHazardous Liquid RSPA-99-5442Aug 5, 1999 
Applied LNG TechnologiesLNG97-2707 (RSPA)Oct 31, 1997 
Northern EclipseLNG97-2WMay 22, 1997 
Williams Gas Pipeline - TranscoLNGRSPA-97-2236May 15, 1997 
Alyeska Pipeline Service CoHazardous Liquid P-95-1WAug 29, 1995 
Alyeska Pipeline Service CoHazardous Liquid P-94-2WAug 29, 1995 
Columbia Gulf TransmissionGas TransmissionP-94-1WMay 19, 1995 
Bravo Pipeline CoHazardous Liquid P-92-2WDec 9, 1993 
Exxon Pipeline CoHazardous Liquid P-87-7WSept 28, 1992 
Texas Eastern Gas Transmission LLCGas TransmissionP-90-5WMay 23, 1991 
Tennessee Gas Pipeline (El Paso)Gas TransmissionRSPA-89-2WJun 30, 1989 
Williams Gas Pipeline - TranscoGas Transmission85-7WJan 16, 1986 
Transcontinental Gas Pipe Line CompanyGas Transmission85-2WAug 15, 1985 
Tennessee Gas Pipeline CoGas Transmission85-1WJun 27, 1985 
Alyeska Pipeline Service Co.Hazardous Liquid 79-10WJun 16, 1982 
Columbia Gas TransmissionGas Transmission80-6WDec 19, 1980 
Champlin Petroleum CompanyGas Gathering79-7WDec 18, 1980 
Barrow Utilities and Electric CorpGas Distribution79-2WJun 26, 1979 
Panhandle Eastern Pipeline CoGas Transmission75-9WFeb 23, 1979 
Alyeska Pipeline Service CoHazardous Liquid 77-7WJun 17, 1977 
Alyeska Pipeline Service CoHazardous Liquid 76-12WJun 17, 1977 
Alyeska Pipeline Service CoHazardous Liquid 77-6W (OPSO)Jun 3, 1977 
Alyeska Pipeline Service Co.Hazardous Liquid75-13WAug 16, 1976 
Explorer Pipeline CoHazardous Liquid 76-5WJun 17, 1976 
Alyeska Pipeline Service CoHazardous Liquid 74-12Dec 24, 1974 
Last updated: Tuesday, May 19, 2026