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   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
34376 Ronald Pietersma Privately-Owned Business Po Box 2500 Chino, CA 91708(+) 909-627-2100 rcpietersma@aol.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
236807 Legend Dairy Farms #2 Riverside 8 Animal Feeding Owner 06/05/2000 03/01/2006
270237 Legend Dairy Farms - 13575 Walker San Bernardino 8 Animal Feeding Owner and Operator 01/29/2024 None
204886 Legend Dairy #1 San Bernardino 8 Animal Feeding Owner 04/25/2006 None
240561 Legend Dairy Farms - 8381 Edison San Bernardino 8 Animal Feeding Operator 01/17/2023 None
219285 Legend Dairy Farms San Bernardino 8 Animal Feeding Operator 01/25/2021 None
259308 Chino-Corona Heifers San Bernardino 8 Animal Feeding Owner 10/12/2007 03/19/2014
239652 Legend Dairy Farms - 8311 Edison San Bernardino 8 Animal Feeding Owner and Operator 01/17/2023 None
210100 Legend Dairy Farms #6 San Bernardino 8 Animal Feeding Operator 08/15/2023 None
264438 Legend Dairy Farms - 8485 Edison San Bernardino 8 Animal Feeding Operator 01/17/2023 None
236809 Legend Dairy Farms 3 - Edison San Bernardino 8 Animal Feeding Owner 04/01/2005 None
236810 Legend Dairy Farms-Schleisman Riverside 8 Animal Feeding Owner 08/09/1985 03/01/2006
230074 Legend Dairy Farms #7 San Bernardino 8 Animal Feeding Operator 08/15/2023 None
630583 Legend Dairy Farms San Bernardino 8 Animal Feeding Operator 01/28/2022 None
264589 Legend Dairy #2 San Bernardino 8 Animal Feeding Owner and Operator 01/29/2010 None
204958 Legend Dairy Farms - 8185 Edison San Bernardino 8 Animal Feeding Operator 08/15/2023 None
630612 Falloncrest Farms San Bernardino 8 Animal Feeding Operator 04/25/2006 None
272610 Batista Family Farm LLC San Bernardino 8 Animal Feeding Land Owner 02/24/2011 None
233397 Legend Dairy Farms #2 - Eucalyptus San Bernardino 8 Animal Feeding Owner 04/25/2006 None
Total Related Places: 18
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
81917 Ronald Pietersma Person Legally Responsible Official 08/23/1993 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?
138777 NPDES Permit 8 8 335532001 Historical ANIWSTCOWS 85-119 08/09/1985 None Discharger 08/09/1985 None N
209415 Enrollee 8 8 335532001 Historical ANIWSTCOWS 99-011 08/09/1985 03/01/2006 Discharger 09/01/2005 None N
209464 Enrollee 8 8 335644001 Historical ANIWSTCOWS 99-011 09/15/2000 08/03/2005 Discharger 09/01/2005 None N
211883 Enrollee 8 8 365925001 Historical ANIWSTCOWS R8-2013-0001 05/25/2005 01/24/2019 Discharger 09/01/2005 None N
301913 Enrollee 8 8 365936001 Historical ANIWSTCOWS R8-2007-0001 06/16/2006 02/08/2010 Discharger 04/25/2006 None N
301921 Enrollee - NPDES 8 8 365937001 Historical ANIWSTCOWS R8-2018-0001 06/16/2006 01/27/2022 Discharger 04/25/2006 None N
301923 Enrollee - NPDES 8 8 365938001 Historical ANIWSTCOWS R8-2018-0001 06/30/2006 03/03/2025 Discharger 04/25/2006 None N
333400 Enrollee 8 8 365954001 Historical ANIWSTCOWS R8-2007-0001 01/03/2008 12/20/2010 Discharger 10/12/2007 None N
372890 Enrollee - NPDES 8 8 365970001 Historical ANIWSTCOWS R8-2018-0001 02/01/2010 02/16/2022 Discharger 01/29/2010 None N
377718 Enrollee 8 8 365987001 Historical ANIWSTCOWS R8-2013-0001 03/01/2011 12/13/2013 Discharger 02/24/2011 None N
442023 Enrollee - NPDES 8 8 366041001 Historical ANIWSTCOWS R8-2018-0001 02/26/2021 09/30/2024 Discharger 01/25/2021 None N
447460 Enrollee - NPDES 8 8 366044001 Active ANIWSTCOWS R8-2018-0001 01/28/2022 None Discharger 04/15/2022 None N
451011 Enrollee - NPDES 8 8 366045001 Active ANIWSTCOWS R8-2018-0001 01/11/2024 None Discharger 02/07/2023 None N
451012 Enrollee - NPDES 8 8 366046001 Active ANIWSTCOWS R8-2018-0001 01/11/2024 None Discharger 02/07/2023 None N
451026 Enrollee - NPDES 8 8 366047001 Active ANIWSTCOWS R8-2018-0001 01/11/2024 None Discharger 02/08/2023 None N
453929 Enrollee - NPDES 8 8 366049001 Active ANIWSTCOWS R8-2018-0001 10/28/2024 None Discharger 08/15/2023 None N
453930 Enrollee - NPDES 8 8 366050001 Active ANIWSTCOWS R8-2018-0001 01/11/2024 None Discharger 08/15/2023 None N
453931 Enrollee - NPDES 8 8 366051001 Active ANIWSTCOWS R8-2018-0001 01/11/2024 None Discharger 08/15/2023 None N
455682 Enrollee - NPDES 8 8 366054001 Active ANIWSTCOWS R8-2018-0001 05/16/2024 None Discharger 01/29/2024 None N
Total Regulatory Measures: 19
  
  
  
  
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
384380 Third Party Action None Administrative Order Issued by EPA on 09/26/2011 for Pietersma, Ronald ANIWSTCOWS 09/26/2011 Active
450561 Notice of Violation None NOV 12/21/2022 for Ronald Pietersma ANIWSTCOWS 12/21/2022 Active
347197 Oral Communication None Oral Comm..(12/06/2007) ANIWSTCOWS 12/06/2007 Historical
391909 Oral Communication None Oral Com 11/20/2012 for Pietersma, Ronald ANIWSTCOWS 11/20/2012 Historical
398032 Notice of Violation None NOV 08/18/2014 for Pietersma, Ronald ANIWSTCOWS 08/18/2014 Active
384393 Third Party Action None Administrative Order Issued by EPA on 09/26/2011 for Pietersma, Ronald ANIWSTCOWS 09/26/2011 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: 10/31/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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