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Violation Tracker Current Parent Headquarters Summary Page

HQ State/Territory: Oklahoma
Current Parent Penalty Total since 2000: $1,089,756,061
Number of Records: 1,560
Note: The totals here are derived only from entries matched to parent companies. They are adjusted to account for the fact that each parent's entries may include both agency records and settlement announcements for the same case; or else a penalty covering multiple locations may be listed in the individual records for each of the facilities. They are also adjusted to reflect cases in which federal and state or local agencies cooperated and issued separate announcements of the outcome. Duplicate or overlapping penalty amounts are marked with an asterisk in the individual records list below.
Top 10 Current Parent CompaniesTotal Penalty $Number of Records
Devon Energy$496,594,40049
Williams Companies$164,874,132113
Integris Health$122,200,9595
Russell Oil$81,287,5813
Chesapeake Energy$65,197,49564
Oneok$58,276,223114
NGL Energy Partners$25,032,8353
Love's Travel Stops & Country Stores$13,678,52054
Alliance Resource Partners$11,693,431933
Helmerich & Payne$8,499,36439

Individual Penalty Records:

Click on the company or penalty amount for more information on each case. Click on the parent name to reach the summary page for that parent company.

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CompanyCurrent ParentCurrent Parent IndustryPrimary Offense TypeYearAgency sort iconPenalty Amount
Mid-Continent Fractionation and StorageWilliams Companiesoil and gasenvironmental violation2014EPA$2,000,000
Magellan Pipeline Company, L.P.Oneokpipelinesenvironmental violation2010EPA$46,200
Magellan Pipeline Company, L.P.Oneokpipelinesenvironmental violation2010EPA$418,000
Chesapeake Appalachia, LLCChesapeake Energyoil and gasenvironmental violation2012EPA$600,000
Magellan Ammonia PipelineOneokpipelinesenvironmental violation2009EPA$3,650,000
Explorer Pipeline CompanyExplorer Pipeline Companyoil and gasenvironmental violation2009EPA$3,300,000
Magellan Midstream PartnersOneokpipelinesenvironmental violation2008EPA$5,300,000
Explorer Pipeline CompanyExplorer Pipeline Companyoil and gasenvironmental violation2004EPA$3,000,000
Transcontinental Gas Pipe Line Corporation (Transco)Williams Companiesoil and gasenvironmental violation2002EPA$1,400,000
Magellan Pipeline Company, L.P.Oneokpipelinesenvironmental violation2017EPA$18,000,000
NGL Crude Logistics, LLCNGL Energy Partnersoil and gasenvironmental violation2018EPA$25,000,000
Gulfport Energy Corp.Gulfport Energyoil and gasenvironmental violation2020EPA$3,700,000
Chesapeake Appalachia LLCChesapeake Energyoil and gasenvironmental violation2021EPA$1,900,000
Williams Companies, Inc.Williams Companiesoil and gasenvironmental violation2023EPA$12,250,000
CHESAPEAKE APPLACHIA, LLCChesapeake Energyoil and gasenvironmental violation2014EPA$3,200,000
CHESAPEAKE APPALACHIA, LLCChesapeake Energyoil and gasenvironmental violation2012EPA$99,952
CHESAPEAKE APPALACHIA, LLCChesapeake Energyoil and gasenvironmental violation2021EPA(*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $1,900,000
WILLIAMS OHIO VALLEY MIDSTREAM, LLCWilliams Companiesoil and gasenvironmental violation2016EPA$14,440
CHESAPEAKE APPLACHIA, LLCChesapeake Energyoil and gasenvironmental violation2016EPA$98,550
WILLIAMS OHIO VALLEY MIDSTREAM, LLCWilliams Companiesoil and gasenvironmental violation2016EPA$140,000
CONTINENTAL RESOURCES, INC. (SB)Continental Resources Inc.oil and gasenvironmental violation2010EPA$9,000
LSB INDUSTRIES, INC/EL DORADO CHEMICAL CO/PRYOR CHEMICAL CO/CHEROKEE NITROGEN CO. (NATIONAL CASE)LSB Industrieschemicalsenvironmental violation2014EPA(*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $246,875
CHEROKEE NITROGEN, LLCLSB Industrieschemicalsenvironmental violation2016EPA$124,825
WILLIAMS MOBILE BAY PRODUCER SERVICES, LLCWilliams Companiesoil and gasenvironmental violation2023EPA$311,850
MAGELLAN PIPELINE COMPANY, LPOneokpipelinesenvironmental violation2008EPA$122,405
MAGELLAN PIPELINE COMPANY LLCOneokpipelinesenvironmental violation2007EPA$5,000
CHESAPEAKE EXPLORATION LLCChesapeake Energyoil and gasenvironmental violation2021EPA$1,200,000
GULFPORT ENERGYGulfport Energyoil and gasenvironmental violation2020EPA$1,700,000
TRANSCONTINENTAL GAS PIPE LINE CORP.Williams Companiesoil and gasenvironmental violation2002EPA(*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $1,400,000
RUSSELL OIL COMPANYRussell Oiloil and gasenvironmental violation2001EPA$5,000
RUSSELL OIL COMPANYRussell Oiloil and gasenvironmental violation2005EPA$81,277,000
Explorer PieplineExplorer Pipeline Companyoil and gasenvironmental violation2009EPA(*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $3,300,000
Brandon D. WilburnCanvas Energyoil and gasenvironmental violation2009EPA$10,900
Magellan Midstream PartnersOneokpipelinesenvironmental violation2010EPA(*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $418,408
Robert C. LangCanvas Energyoil and gasenvironmental violation2010EPA$11,627
CHAPARRAL ENERGY, LLCCanvas Energyoil and gasenvironmental violation2011EPA$5,400
El Dorado Chemical CompanyLSB Industrieschemicalsenvironmental violation2012EPA$100,000
LSB INDUSTRIES/ El Dorado Chemical (National Case)(Lead)LSB Industrieschemicalsenvironmental violation2014EPA(*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $478,125
ONEOK Hydrocarbon, L.P.Oneokpipelinesenvironmental violation2012EPA$47,200
Ms. Ignacia S. MorenoOneokpipelinesenvironmental violation2017EPA$411,236
CHAPARRAL ENERGY, LLCCanvas Energyoil and gasenvironmental violation2013EPA$25,000
Chaparral Energy, LLCCanvas Energyoil and gasenvironmental violation2013EPA$14,000
Pryor Chemical CompanyLSB Industrieschemicalsenvironmental violation2014EPA$37,500
T. Keith WhiteCanvas Energyoil and gasenvironmental violation2014EPA$28,310
Chaparral Energy, LLCCanvas Energyoil and gasenvironmental violation2015EPA$65,000
NBU NO. 43 TANK BATTERYCanvas Energyoil and gasenvironmental violation2015EPA$10,379
NBU NO. 57 TANK BATTERYCanvas Energyoil and gasenvironmental violation2015EPA$10,379
WEST COTE BLANCHE BAY FIELD/C.BARGE TVSGulfport Energyoil and gasenvironmental violation2015EPA$11,280
Chaparral Energy, LLCCanvas Energyoil and gasenvironmental violation2017EPA$7,000
Chesapeake Operating LLCChesapeake Energyoil and gasenvironmental violation2016EPA$9,000
PRYOR CHEM COLSB Industrieschemicalsenvironmental violation2017EPA$37,500
Discovery Producer Services LLCWilliams Companiesoil and gasenvironmental violation2017EPA$44,357
NGL HOUMA TERMINALNGL Energy Partnersoil and gasenvironmental violation2018EPA$20,235
Gulfport Energy CorporationGulfport Energyoil and gasenvironmental violation2019EPA$19,000
Pryor Chemical CompanyLSB Industrieschemicalsenvironmental violation2021EPA$38,000
DISCOVERY PRODUCER SERVICES LLCWilliams Companiesoil and gasenvironmental violation2021EPA$105,302
MAGELLAN PIPELINE COMPANYOneokpipelinesenvironmental violation2021EPA$5,000
MAGELLAN PIPELINE FKA WILLIAMS PIPELINE (National Case)(Lead)Oneokpipelinesenvironmental violation2008EPA(*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $5,174,107
WILLIAMS MIDSTREAM NATURAL GAS LIQUIDS, INCWilliams Companiesoil and gasenvironmental violation2004EPA$10,000
MAGELLAN AMMONIA PIPELINE, LPOneokpipelinesenvironmental violation2009EPA(*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $3,650,000
MID AMERICA PIPELINE COMPANY LLC/ENTERPRISE PRODUCMid-America Pipelinepipelinesenvironmental violation2012EPA(*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $1,042,000
MAGELLAN PIPELINE COMPANY, LPOneokpipelinesenvironmental violation2010EPA$46,200
MAGELLAN PIPELINE COMPANY, LPOneokpipelinesenvironmental violation2017EPA$3,177,528
WILLIAMS MID-CONTINENT FRACTIONATION AND STORAGE LLC (NC)Williams Companiesoil and gasenvironmental violation2023EPA$3,750,000
MAGELLAN MIDSTREAM PARTNERS LPOneokpipelinesenvironmental violation2019EPA$70,000
WILLIAMS FIELD SERVICESWilliams Companiesoil and gasenvironmental violation2001EPA$850,000
WILLIAMS FIELD SERVICESWilliams Companiesoil and gasenvironmental violation2002EPA$951,139
Continental Resources, Inc.Continental Resources Inc.oil and gasenvironmental violation2006EPA$57,500
Chaparral EnergyCanvas Energyoil and gasenvironmental violation2005EPA$13,776
Williams Field ServicesWilliams Companiesoil and gasenvironmental violation2011EPA(*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $50,000
Williams Field ServicesWilliams Companiesoil and gasenvironmental violation2008EPA$75,000
Devon Energy Production CompanyDevon Energyoil and gasenvironmental violation2011EPA$54,300
CONTINENTAL RESOURCES INCContinental Resources Inc.oil and gasenvironmental violation2014EPA$22,000
OneOK Rockies Midstream LLCOneokpipelinesenvironmental violation2017EPA$40,120
Devon Gas Services, L.P.Devon Energyoil and gasenvironmental violation2019EPA$150,000
BLACK MESA PIPELINE, INC.Oneokpipelinesenvironmental violation2001EPA$79,000
Magellan Asset Services LPOneokpipelinesenvironmental violation2017EPA$13,600
WILLIAMS PIPELINE COWilliams Companiesoil and gasenvironmental violation2000EPA$44,700
Williams Energy Marketing & TradingDevon Energyoil and gasenvironmental violation2004EPA$210,000
QuikTrip CorporationQuikTrip Corporationretailingenvironmental violation2005EPA$5,760
QUIKTRIP CORPORATIONQuikTrip Corporationretailingaviation safety violation2010FAA$7,500
SANDRIDGE ENERGYSandRidge Energyoil and gasaviation safety violation2014FAA$33,750
ONEOK, Inc.Oneokpipelinesenergy market violation2009FERC$6,414,945
Williams CompaniesWilliams Companiesoil and gasenergy market violation2005FERC$7,600,000
Transcontinental Gas Pipe Line Corporation (Transco)Williams Companiesoil and gasenergy market violation2003FERC$20,000,000
Chaparral Energy, LLCCanvas Energyoil and gasmotor vehicle safety violation2013FMCSA$5,170
MAGELLAN PIPELINE COMPANY L.P.Oneokpipelinesmotor vehicle safety violation2008FMCSA$10,000
WILLIAMS FIELD SERVICE, INC.Williams Companiesoil and gasmotor vehicle safety violation2008FMCSA$8,170
WILLIAMS FIELD SERVICES COMPANYWilliams Companiesoil and gasmotor vehicle safety violation2006FMCSA$7,915
CHEROKEE NITROGENLSB Industrieschemicalsrailroad safety violation2010FRA$7,500
CHEROKEE NITROGENLSB Industrieschemicalsrailroad safety violation2013FRA$5,000
CHEROKEE NITROGENLSB Industrieschemicalsrailroad safety violation2013FRA$5,000
DEVON GAS SERVICESDevon Energyoil and gasrailroad safety violation2013FRA$7,500
EL DORADO CHEMICAL COMPANYLSB Industrieschemicalsrailroad safety violation2013FRA$5,000
EL DORADO CHEMICAL COMPANYLSB Industrieschemicalsrailroad safety violation2014FRA$7,500
Magellan Midstream Partners, LP.Oneokpipelinesrailroad safety violation2009FRA$7,500
Magellan Midstream Partners, LP.Oneokpipelinesrailroad safety violation2009FRA$7,500
Magellan Midstream Partners, LP.Oneokpipelinesrailroad safety violation2011FRA$10,000
Magellan Midstream Partners, LP.Oneokpipelinesrailroad safety violation2012FRA$24,525
MUSKET CORPORATIONLove's Travel Stops & Country Storesretailingrailroad safety violation2011FRA$5,000
MUSKET CORPORATIONLove's Travel Stops & Country Storesretailingrailroad safety violation2011FRA$5,000
(*): Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting.