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California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
540255 Ryan Biggs 19100 Ridgewood Parkway San Antonio, TX 78259 210-626-6497 Ryan.K.Biggs@tsocorp.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
223259 East Hynes Terminal Los Angeles 4 Service/Commercial Site, NEC Contact 06/01/2013 None
231345 Hathaway Tank Farm Los Angeles 4 Tank Farm Contact 06/01/2013 10/01/2018
273717 Tesoro West Hynes Storage Los Angeles 4 Tank Farm Contact 06/01/2013 None
217049 Tesoro Carson Crude Terminal Los Angeles 4 Tank Farm Contact 06/01/2013 None
Total Related Places: 4
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
540253 Marathon Petroleum Corporation Organization Employee 05/30/2013 None Privately-Owned Business
Total Related Parties: 1
  
  
  
  
Expand/Contract Regulatory Measures
Regulatory Measures (non-enforcement)
Reg. Measure ID Regulatory Measure Type Region WDID Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date Amended?
325389 Enrollee - NPDES 4 4B198000023 Active NPDNONMUNIPRCS R4-2019-0052 11/30/2007 None Discharger Contact 06/01/2013 None N
193790 Enrollee - NPDES 4 4B196300062 Historical NPDNONMUNIPRCS R4-2009-0068 03/17/1997 02/06/2017 Discharger Contact 06/01/2013 None N
193844 Enrollee - NPDES 4 4B196300134 Active NPDNONMUNIPRCS R4-2019-0052 08/20/2001 None Discharger Contact 06/01/2013 10/01/2018 N
193848 Enrollee - NPDES 4 4B196300139 Historical NPDNONMUNIPRCS R4-2009-0068 01/11/2002 06/24/2021 Discharger Contact 06/01/2013 None N
359288 NPDES Permit 4 4B192010019 Historical NPDNONMUNIPRCS R4-2008-0202 01/11/2009 10/31/2014 Discharger Contact 06/01/2013 None N
377569 NPDES Permit 4 4B192187001 Historical NPDNONMUNIPRCS R4-2011-0037 03/04/2011 07/31/2016 Discharger Contact 06/01/2013 None N
371741 NPDES Permit 4 4B192010016 Historical NPDNONMUNIPRCS R4-2009-0102 11/01/2009 05/31/2015 Discharger Contact 06/01/2013 None N
Total Regulatory Measures: 7
  
  
  
  
Expand/Contract Violations
Violations within the past 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.
Report defaults to display violations within the last year. Click here to see last five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
  
  
  
  
Expand/Contract Enforcement Actions
Enforcement Actions
Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status
Total Enforcement Actions: 0
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
325389 Marathon Petroleum Corporation Enrollee - NPDES NPDNONMUNIPRCS 11/30/2007 Active
371741 Marathon Petroleum Corporation NPDES Permit NPDNONMUNIPRCS 11/01/2009 Historical
430285 Marathon Petroleum Corporation NPDES Permit NPDNONMUNIPRCS 12/01/2020 Active
359288 Marathon Petroleum Corporation NPDES Permit NPDNONMUNIPRCS 01/11/2009 Historical
398694 Marathon Petroleum Corporation NPDES Permit NPDNONMUNIPRCS 06/01/2015 Historical
377569 Marathon Petroleum Corporation NPDES Permit NPDNONMUNIPRCS 03/04/2011 Historical
193790 Marathon Petroleum Corporation Enrollee - NPDES NPDNONMUNIPRCS 03/17/1997 Historical
396633 Marathon Petroleum Corporation NPDES Permit NPDNONMUNIPRCS 11/01/2014 Historical
193844 Marathon Petroleum Corporation Enrollee - NPDES NPDNONMUNIPRCS 08/20/2001 Active
402051 Marathon Petroleum Corporation NPDES Permit NPDNONMUNIPRCS 08/01/2016 Active
193848 Marathon Petroleum Corporation Enrollee - NPDES NPDNONMUNIPRCS 01/11/2002 Historical
435888 Marathon Petroleum Corporation NPDES Permit NPDNONMUNIPRCS 01/01/2021 Active
459468 Marathon Petroleum Corporation Enrollee - WDR WDRNONMUNIPRCS 05/30/2025 Active
Total Regulatory Measures linked to Related Parties: 13
  
  
The current report was generated with data as of: 10/24/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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