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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
S623964 Costco Wholesale Corporation Privately-Owned Business 999 Lake Drive Issaquah, CA 98027 N/A N/A
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
S824277 Costco Carmel Mountain Gas Station Addition San Diego 9 Facility Discharger 06/28/2013 None
S834521 Costco Temecula Building Additions Riverside 9 Facility Discharger 03/24/2015 None
S829073 Signal Hill Costco Fuel Facility Los Angeles 4 Facility Discharger 04/24/2014 None
S833824 Roseville Costco Fueling Station Placer 5S Facility Discharger 02/11/2015 None
S883513 Turlock Parking Addition Stanislaus 5S Facility Discharger 06/22/2020 None
S892052 Danville San Ramon Costco Gas Station Contra Costa 2 Facility Discharger 03/23/2021 None
S868235 Costco Santee San Diego 9 Facility Discharger 11/02/2018 None
S864495 El Camino San Mateo 2 Facility Discharger 05/25/2018 None
S893920 San Bernardino Costco Gas OSR San Bernardino 8 Facility Discharger 05/17/2021 None
S893814 Costco Novato Marin 2 Facility Discharger 05/12/2021 None
S895979 Costco Hayward Fuel Facility Expansion Alameda 2 Facility Discharger 05/28/2020 None
S869001 El Camino Costco San Mateo 2 Facility Discharger 12/05/2018 None
S866351 Oxnard CA Fuel Facility OSR Ventura 4 Facility Discharger 08/16/2018 None
S829189 Costco Rancho Del Rey Fueling Station San Diego 9 Facility Discharger 04/30/2014 None
S841606 Rohnert Park Costco Sonoma 1 Facility Discharger 10/02/2015 None
S895315 Costco Hayward Business Center Fuel Facility Alameda 2 Facility Discharger 04/12/2018 None
S877798 San Leandro Costco Parking Expansion Alameda 2 Facility Discharger 12/11/2019 None
Total Related Places: 17
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
N/A Kayleen Burnett Contact Owner Contact N/A N/A N/A
N/A Kayleen Burnet Contact Owner Contact N/A N/A N/A
N/A Jenifer Murillo Contact Owner Contact N/A N/A N/A
N/A Kim Katz Contact Owner Contact N/A N/A N/A
N/A Therese Garcia Contact Owner Contact N/A N/A N/A
Total Related Parties: 5
  
  
  
  
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?
Total Regulatory Measures: 0
  
  
  
  
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.
S895890 09/02/2025 SW - Failure to Obtain Permit Failure to obtain coverage under the 2022 CGP by 09/01/2025. Violation N Internal Report Turlock Parking Addition S522521 2009-0009-DWQ Y
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: 1
*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
S455901 1st Annual Report Notice of Non-Compliance None 5S50C390784 CONSTW 07/15/2024 Active
S445850 1st Annual Report Notice of Non-Compliance None 5S50C390784 CONSTW 10/01/2021 Active
S456705 1st Annual Report Notice of Non-Compliance None 5S50C390784 CONSTW 10/08/2024 Active
S458281 2nd Annual Report Notice of Non-Compliance None 5S50C390784 CONSTW 12/20/2024 Active
S456296 2nd Annual Report Notice of Non-Compliance None 5S50C390784 CONSTW 09/17/2024 Active
S444253 Notice of Non-Compliance for Non-Filers None 2 01C388972 CONSTW 11/09/2021 Active
S460739 Notice of Violation None 5S50C390784 CONSTW 09/05/2025 Active
S436603 Notice of Violation None 4 56C384676 CONSTW 03/06/2020 Historical
Total Enforcement Actions: 8
  
  
  
  
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: 05/18/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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