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
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
856692 Vierra Heifer Feedlot #2 Merced 5S Animal Feeding Owner and Operator 03/04/2019 None
851984 Vierra Heifer Feedlot Merced 5S Animal Feeding Owner and Operator 10/25/2018 None
743948 Vierra Ranch Dairy Merced 5S Animal Feeding Operator 08/29/2009 None
706124 Vierra Heifer Ranch (Dairy) Merced 5S Animal Feeding Owner and Operator 02/09/2022 None
705525 Azevedo Dairy Merced 5S Animal Feeding None None 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?
429206 Enrollee - WDR 5S 5B24NC00425 Active ANIWSTOTH R5-2017-0058 04/03/2019 None Discharger 03/04/2019 None N
425877 Enrollee - WDR 5S 5B24NC00413 Active ANIWSTOTH R5-2017-0058 04/09/2019 None Discharger 10/25/2018 None N
413523 Letter 5S None Historical ANIWSTCOWS None 05/23/2017 05/23/2017 Discharger 05/30/2017 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
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
Total Regulatory Measures: 6
  
  
  
  
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.
1091039 05/20/2021 Order Conditions The settling basin had less than one foot of freeboard. Violation N Inspection Vierra Ranch Dairy 334795 R5-2013-0122 Y
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: 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
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: 06/26/2025
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