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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
624636 JG Weststeyn Dairy, LP Privately-Owned Business 5745 County Road 65 Willows, CA 95988 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
745264 JG Weststeyn Dairy Glenn 5S Animal Feeding Owner and Operator 04/22/2021 None
Total Related Places: 1
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
Total Related Parties: 0
  
  
  
  
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?
371637 WDR 5S 5A11NC00055 Active ANIWSTCOWS R5-2009-0082 08/13/2009 None Discharger 04/22/2021 None Y
Total Regulatory Measures: 1
  
  
  
  
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
463105 Notice of Violation None NOV 10/30/2025 for JG Weststeyn Dairy, LP - JG Weststeyn Dairy ANIWSTCOWS 10/30/2025 Active
458940 Notice of Violation None Letter 10/25/2024 for JG Weststeyn Dairy, LP - JG Weststeyn Dairy ANIWSTCOWS 10/25/2024 Historical
447967 Notice of Violation None NOV 06/08/2022 for JG Weststeyn Dairy, LP ANIWSTCOWS 06/08/2022 Active
446646 Notice of Violation None NOV 02/10/2022 for JG Weststeyn Dairy, LP ANIWSTCOWS 02/10/2022 Historical
445151 Cease and Desist Order R5-2021-0043 CDO R5-2021-0043 for JG Weststeyn Dairy, LP ANIWSTCOWS 09/03/2021 Active
445150 Admin Civil Liability R5-2021-0519 ACL R5-2021-0519 for JG Weststeyn Dairy, LP ANIWSTCOWS 09/03/2021 Historical
Total Enforcement Actions: 6
  
  
  
  
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: 02/06/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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