General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 525147 Shell Oil Company - Houston Privately-Owned Business Po Box 575 Houston, TX 77001-0576 832-337-2205 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 783429 Seal Beach National Wildlife Refuge Abandoned Oil Well Concrete Pad Removal Orange 8 Dredge/Fill Site Owner 07/12/2012 null 759307 Dewatering,Abandoned Oil Well Concrete Pad Removal Project Orange 8 Concrete Manufacturing Owner and Operator 12/13/2010 null 256693 Former Shell Hercules Gas Plant Santa Barbara 3 Groundwater Cleanup Site None null null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 525148 Leah Sullivan Person Legally Responsible Official 07/12/2012 null null 525148 Leah Sullivan Person Legal representative 11/19/2010 null null 835 Aera Energy LLC Organization Owned By 04/21/2011 null Privately-Owned Business Regulatory Measures(non-enforcement) Reg. Measure ID Regulatory Measure Type Region WDID Title Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date 386163 401 Certification 8 null WQC 11/22/2010 for Shell Oil Company - Houston Historical CERFILLEXC null 11/22/2010 11/22/2015 Discharger 07/12/2012 null 376651 Enrollee 8 8 303589001 Enrollee Under General Deminimus for Shell Oil Co-Seal Beach Historical NPDNONMUNIPRCS R8-2009-0003 12/10/2010 01/24/2012 Discharger 11/19/2010 null 163959 Enrollee 3 3 429907003 Enrollee - Highly Treated Groundwater NPDES - Shell Exploration & Production Company (Former Hercules Gas Plant) Historical NPDNONMUNIPRCS R3-2011-0222 12/01/2006 02/03/2017 Discharger 01/01/2013 null Violations within the past calendar year Violation ID Occurrence Date Violation Type Violation Description Violation Status Priority Source Facility Name Violated Reg. Meas. ID Violated Reg. Meas. Order No. Linked To Enf. Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 246474 Oral Communication null Enforcement - 1A1DN009NSL Thomas J. Whiteley, Inc. AGT 01/22/2001 Historical 226896 13267 Letter null Enforcement - 1A1DN009NSL Thomas J. Whiteley, Inc. AGT 09/20/2000 Historical 226500 Clean-up and Abatement Order R1-2000-0022 Enforcement - 1A1DN009NSL Thomas J. Whiteley, Inc. AGT 03/22/2000 Historical 225259 Staff Enforcement Letter null Enforcement - 1A1DN009NSL Thomas J. Whiteley, Inc. AGT 06/14/2000 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 459298 Aera Energy LLC Letter DISCHLND 11/22/2024 Historical 458304 Aera Energy LLC Letter WDRMINING 07/12/2024 Historical 458299 Aera Energy LLC Letter WDRMINING 08/09/2024 Historical 457142 Aera Energy LLC Letter WDRMINING 06/03/2024 Active 456311 Aera Energy LLC 13267 Letter (Non-Enforcement) WDRMINING 09/13/2023 Active 456159 Aera Energy LLC Letter WDRMINING 11/27/2023 Historical 455572 Aera Energy LLC Letter ENFCAO 01/17/2024 Active 455470 Aera Energy LLC Letter DISCHLND 12/08/2023 Active 454852 Aera Energy LLC Letter DISCHLND 10/18/2023 Historical 452547 Aera Energy LLC Letter DISCHLND 05/04/2023 Historical 452017 Aera Energy LLC Letter WDRMINING 02/27/2023 Historical 451982 Aera Energy LLC Letter DISCHLND 06/22/2021 Historical 451981 Aera Energy LLC Letter ENFCAO 04/13/2021 Historical 450433 Aera Energy LLC Letter WDRMINING 10/05/2022 Historical 450359 Aera Energy LLC Letter WDRMINING 11/22/2022 Historical 446672 Aera Energy LLC Letter WDRMINING 12/01/2021 Active 440037 Aera Energy LLC Enrollee - WDR WDRMINING 06/01/2020 Active 439670 Aera Energy LLC Enrollee - WDR WDRMINING 06/01/2020 Active 431794 Aera Energy LLC Letter WDRMINING 06/19/2019 Active 431216 Aera Energy LLC Letter WDRMINING 05/15/2019 Active 422454 Aera Energy LLC Enrollee - WDR WDRMINING 12/04/2018 Active 422426 Aera Energy LLC Enrollee - WDR WDRMINING 09/11/2018 Active 421562 Aera Energy LLC Enrollee - WDR WDRMINING 05/21/2018 Active 421557 Aera Energy LLC Enrollee - WDR WDRMINING 05/21/2018 Active 418389 Aera Energy LLC Enrollee - WDR WDRMINING 04/10/2018 Active 414917 Aera Energy LLC Letter WDRMINING 07/27/2017 Active 413963 Aera Energy LLC Letter WDRMINING 06/06/2017 Historical 413924 Aera Energy LLC Letter WDRMINING 06/09/2017 Active 413793 Aera Energy LLC Letter ENFCAO 05/08/2017 Active 413751 Aera Energy LLC Enrollee - WDR WDRMINING 04/26/2018 Active 412161 Aera Energy LLC Enrollee - WDR WDRMUNIOTH 06/02/2017 Active 410517 Aera Energy LLC Letter ENFCAO 11/22/2016 Historical 410510 Aera Energy LLC Letter ENFCAO 11/22/2016 Active 407729 Aera Energy LLC Individual Monitoring Requirem WDRMINING 07/15/2016 Historical 407727 Aera Energy LLC Individual Monitoring Requirem WDRMINING 07/07/2016 Historical 403686 Aera Energy LLC Letter DISCHLND 08/20/2015 Active 401152 Aera Energy LLC Letter DISCHLND 03/24/2015 Historical 401095 Aera Energy LLC Letter DISCHLND 03/25/2015 Historical 401094 Aera Energy LLC Letter DISCHLND 03/25/2015 Historical 401083 Aera Energy LLC Letter DISCHLND 03/24/2015 Historical 401082 Aera Energy LLC Letter DISCHLND 03/24/2015 Historical 400732 Aera Energy LLC 13267 Letter (Non-Enforcement) WDRMINING 04/01/2015 Historical 394868 Aera Energy LLC WDR LFNONOPER 02/07/2014 Active 394410 Aera Energy LLC Enrollee - WDR WDRMINING 12/27/2013 Active 394409 Aera Energy LLC Enrollee - WDR WDRMINING 12/27/2013 Active 394261 Aera Energy LLC Enrollee - WDR WDRMINING 12/04/2013 Active 394259 Aera Energy LLC Enrollee - WDR WDRMINING 12/04/2013 Active 394258 Aera Energy LLC Enrollee - WDR WDRMINING 12/04/2013 Active 394254 Aera Energy LLC Enrollee - WDR WDRMINING 12/04/2013 Active 394189 Aera Energy LLC Enrollee - WDR WDRMINING 12/04/2013 Active 390406 Aera Energy LLC WDR WDRMINING 05/31/2013 Active 380596 Aera Energy LLC 401 Certification CERFILLEXC 08/25/2009 Historical 380578 Aera Energy LLC 401 Certification CERFILLEXC 10/23/2009 Historical 376756 Aera Energy LLC Letter WDRMINING 08/23/2010 Historical 375492 Aera Energy LLC Letter WDRMINING 06/08/2010 Historical 375491 Aera Energy LLC Letter WDRMINING 05/11/2010 Historical 374566 Aera Energy LLC 401 Certification CERFILLEXC 10/23/2009 Historical 371647 Aera Energy LLC Letter WDRMINING 08/13/2009 Historical 368637 Aera Energy LLC Enrollee WDRNONMUNIPRCS 07/07/2009 Historical 368097 Aera Energy LLC 401 Certification CERFILLEXC 07/02/2009 Historical 350187 Aera Energy LLC Enrollee WDRMUNIOTH 07/21/2008 Historical 328880 Aera Energy LLC Enrollee - Waiver WDRNONMUNIPRCS 04/13/2007 Historical 317305 Aera Energy LLC WDR WDRMINING 12/08/2006 Active 317297 Aera Energy LLC WDR WDRMINING 12/08/2006 Active 316520 Aera Energy LLC Enrollee LNDISPOTH 10/11/2006 Active 316517 Aera Energy LLC Enrollee - Waiver WDRNONMUNIPRCS 10/11/2006 Active 316515 Aera Energy LLC Enrollee LNDISPOTH 10/11/2006 Active 306148 Aera Energy LLC WDR WDRMINING 06/22/2006 Active 259915 Aera Energy LLC Letter NPDESWW null Historical 258795 Aera Energy LLC Individual Monitoring Requirem WDRMINING 11/13/2000 Active 145591 Aera Energy LLC WDR LFNONOPER 12/11/1998 Historical 145295 Aera Energy LLC WDR LNDISP 03/24/1995 Historical 145009 Aera Energy LLC WDR LNDISP 10/28/1994 Historical 143693 Aera Energy LLC WDR LNDISP 04/23/1971 Historical 143574 Aera Energy LLC WDR WDRMINING 04/24/1958 Historical 143573 Aera Energy LLC WDR WDRMINING 04/24/1958 Historical 143572 Aera Energy LLC WDR WDRMINING 04/24/1958 Historical 143569 Aera Energy LLC WDR WDRMINING 04/24/1958 Historical 143498 Aera Energy LLC WDR WDRMUNIOTH 03/22/1974 Historical 143222 Aera Energy LLC WDR WDRMINING 06/21/1968 Historical 143221 Aera Energy LLC WDR LNDISP 06/21/1968 Historical 142933 Aera Energy LLC WDR LNDISP 02/18/1959 Historical 142642 Aera Energy LLC WDR WDRMINING 11/21/1958 Historical 142640 Aera Energy LLC WDR WDRMINING 11/21/1958 Active 140509 Aera Energy LLC NPDES Permit INDSTW 10/11/1996 Historical 135436 Aera Energy LLC WDR WDR 02/26/1959 Historical 131225 Aera Energy LLC NPDES Permit INDSTW 10/25/2002 Historical