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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
560033 Weststeyn 2015 Irrevocable Trust Privately-Owned Business 5745 County Rd 65 Willows, CA 95988 209-351-0067 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 Land Owner 04/22/2021 None
745264 JG Weststeyn Dairy Glenn 5S Animal Feeding Owner 10/17/2016 04/21/2021
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
622600 Stephen Weststeyn Person Legally Responsible Official 03/09/2021 None None
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?
371637 WDR 5S 5A11NC00055 Active ANIWSTCOWS R5-2009-0082 08/13/2009 None Discharger 10/17/2016 04/21/2021 Y
420465 Letter 5S None Historical ANIWSTCOWS None 02/27/2018 02/27/2018 Discharger 04/02/2018 None N
Total Regulatory Measures: 2
  
  
  
  
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
419346 Clean-up and Abatement Order R5-2018-0700 CAO R5-2018-0700 for Weststeyn, Jake - JG Weststeyn Dairy ANIWSTCOWS 02/01/2018 Active
417243 Notice of Violation None NOV 11/28/2017 for JG Weststeyn Dairy ANIWSTCOWS 11/28/2017 Historical
416191 Notice of Violation None NOV 07/31/2017 for Weststeyn, Jake ANIWSTCOWS 07/31/2017 Historical
413830 Notice of Violation None NOV 05/19/2017 for Weststeyn, Jake ANIWSTCOWS 05/19/2017 Historical
Total Enforcement Actions: 4
  
  
  
  
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: 01/07/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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