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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
560408 Swanson, Matt Privately-Owned Business Po Box 1350 Hilmar, CA 95324 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
743948 Vierra Ranch Dairy Merced 5S Animal Feeding Operator 08/29/2009 None
851984 Vierra Heifer Feedlot Merced 5S Animal Feeding Owner and Operator 10/25/2018 None
856692 Vierra Heifer Feedlot #2 Merced 5S Animal Feeding Owner and Operator 03/04/2019 None
705525 Azevedo Dairy Merced 5S Animal Feeding None None None
706124 Vierra Heifer Ranch (Dairy) Merced 5S Animal Feeding Owner and Operator 02/09/2022 None
Total Related Places: 5
  
  
  
  
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?
413523 Letter 5S None Historical ANIWSTCOWS None 05/23/2017 05/23/2017 Discharger 05/30/2017 None N
429206 Enrollee - WDR 5S 5B24NC00425 Active ANIWSTOTH R5-2017-0058 04/03/2019 None Discharger 03/04/2019 None N
334795 Enrollee - WDR 5S 5B24NC00166 Active ANIWSTCOWS R5-2013-0122 06/29/2007 None Discharger 08/29/2009 None N
334738 Enrollee - WDR 5S 5B24NC00105 Active ANIWSTCOWS R5-2013-0122 06/29/2007 None Discharger 02/09/2022 None N
334909 Enrollee - WDR 5S 5B24NC00282 Historical ANIWSTCOWS R5-2013-0122 06/29/2007 04/07/2021 Discharger 03/08/2018 04/06/2021 N
425877 Enrollee - WDR 5S 5B24NC00413 Active ANIWSTOTH R5-2017-0058 04/09/2019 None Discharger 10/25/2018 None N
Total Regulatory Measures: 6
  
  
  
  
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
444412 Notice of Violation None NOV 07/02/2021 for Swanson, Matt - Vierra Ranch Dairy ANIWSTCOWS 07/02/2021 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: 06/27/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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