Welcome to California
California Home
Welcome to California - images of Golden Gate Bridge, ocean sunset, waterfall, flowers, and city skyline California Home Welcome to the California Environmental Protection Agency
California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
   [VIEW PRINTER FRIENDLY VERSION] [EXPORT THIS REPORT TO EXCEL]

  
  
  
  
  
General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
554062 Tesoro Refining & Marketing Company LLC Privately-Owned Business 2350 East 223rd Street Carson, CA 90801 None None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
217065 Tesoro Sulfur Recovery Plant Los Angeles 4 Petroleum Refinery None None None
217059 Tesoro Los Angeles Refinery - Carson Operations Los Angeles 4 Petroleum Refinery Owner and Operator 12/02/2020 None
Total Related Places: 2
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
566122 Robert Nguyen Person Legally Responsible Official 02/10/2021 None None
538398 David Foster Person Legally Responsible Official 12/23/2015 10/31/2022 None
Total Related Parties: 2
  
  
  
  
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?
450836 NPDES Permit 4 4B192121002 Active NPDINDSML R4-2023-0059 05/01/2023 None Discharger 01/19/2023 None N
441479 NPDES Permit 4 4B192010008 Active NPDINDLRG R4-2022-0238 09/01/2022 None Discharger 07/06/2022 None N
406222 NPDES Permit 4 4B192121002 Historical NPDINDSML R4-2017-0040 04/01/2017 04/30/2023 Discharger 09/30/2021 None N
404058 NPDES Permit 4 4B192010008 Historical NPDINDLRG R4-2015-0259 02/01/2016 08/31/2022 Discharger 12/02/2020 None N
Total Regulatory Measures: 4
  
  
  
  
Expand/Contract Violations
Violations within the past five years
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.
1119140 07/30/2023 Late Report Once Only OneTime ( TECHRPT ) (Spill Contingency Plan (SCP)) report for 2023/05/01 (2711747) was due on 29-JUL-23 Violation None Report Tesoro Sulfur Recovery Plant 450836 R4-2023-0059 N
1119139 07/30/2023 Late Report Once Only OneTime ( TECHRPT ) (Stormwater Pollution Prevention Plan (SWPPP)) report for 2023/05/01 (2711745) was due on 29-JUL-23 Violation None Report Tesoro Sulfur Recovery Plant 450836 R4-2023-0059 N
1119138 07/30/2023 Late Report Once Only OneTime ( TECHRPT ) (Initial Investigation TRE workplan) report for 2023/05/01 (2711744) was due on 29-JUL-23 Violation None Report Tesoro Sulfur Recovery Plant 450836 R4-2023-0059 N
1119137 07/30/2023 Late Report Once Only OneTime ( TECHRPT ) (Best Management Practice Plan (BMPP)) report for 2023/05/01 (2711746) was due on 29-JUL-23 Violation None Report Tesoro Sulfur Recovery Plant 450836 R4-2023-0059 N
1116739 05/02/2023 Late Report Quarterly SMR ( MONNPDES ) report for Q1 2023 (2673700) was due on 01-MAY-23 Violation None Report Tesoro Sulfur Recovery Plant 406222 R4-2017-0040 N
1113518 07/01/2022 Unauthorized Discharge UNAUTHORIZED DISCHARGE OF PETROLEUM COKE DUST TO THE DOMINGUEZ CHANNEL FROM THE TESORO LOS ANGELES REFINERY-CARSON OPERATIONS Violation N Inspection Tesoro Los Angeles Refinery - Carson Operations 404058 R4-2015-0259 Y
1113392 02/02/2023 Late Report Annual SMR ( MONNPDES ) report for 2022 (2656670) was due on 01-FEB-23 Violation None Report Tesoro Los Angeles Refinery - Carson Operations 404058 R4-2015-0259 N
1110039 11/02/2022 Late Report Quarterly SMR ( MONNPDES ) report for Q3 2022 (2582839) was due on 01-NOV-22 Violation None Report Tesoro Los Angeles Refinery - Carson Operations 404058 R4-2015-0259 N
Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 8
*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
451258 Notice of Violation None NOV 02/08/2023 for Tesoro Refining & Marketing Company LLC NPDINDLRG 02/08/2023 Historical
Total Enforcement Actions: 1
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
Total Regulatory Measures linked to Related Parties: 0
  
  
The current report was generated with data as of: 05/02/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
Back to Main Page  |  Back to Top of Page

Conditions of Use | Privacy Policy
Copyright © 2024 State of California

The Board is one of six boards, departments, and offices under
the umbrella of the California Environmental Protection Agency.
Cal/EPA | ARB | DPR | DTSC | OEHHA | SWRCB