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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
31818 Nyenhuis, Jim Privately-Individual 6619 Manzano Street Chino, CA 91710 951-318-7802 jeffnyenhuis.jn@gmail.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
233683 Jim Nyenhuis Dairy San Bernardino 8 Animal Feeding Owner 01/09/1981 None
244210 Joao Cardoso Dairy Inc. Madera 5F Animal Feeding Owner 06/29/2007 None
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
68557 Jim Nyehuis Person Legal representative 01/09/1981 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?
211663 Enrollee 8 8 365401001 Historical ANIWSTCOWS R8-2013-0001 01/09/1981 08/17/2017 Discharger 09/01/2005 None N
335516 Enrollee - WDR 5F 5C205021001 Active ANIWSTCOWS R5-2013-0122 06/29/2007 None Discharger 06/29/2007 None N
137800 NPDES Permit 8 8 365401001 Historical ANIWSTCOWS 81-005 01/09/1981 None Discharger 01/09/1981 None N
Total Regulatory Measures: 3
  
  
  
  
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.
1114084 07/01/2021 Late Report Failure to submit the 2020 Annual Report. Violation None Report Joao Cardoso Dairy Inc. 335516 R5-2013-0122 Y
1129509 01/30/2023 Deficient Monitoring Second through fourth quarter wastewater sample results were not documented in t Violation None Inspection Joao Cardoso Dairy Inc. 335516 R5-2013-0122 N
1108905 09/28/2022 Order Conditions Failure to comply with groundwater monitoring requirements Violation None Report Joao Cardoso Dairy Inc. 335516 R5-2013-0122 Y
1129510 01/30/2023 Deficient Monitoring Manure sample results were not documented in the 2020 and 2021 Annual Reports in Violation None Inspection Joao Cardoso Dairy Inc. 335516 R5-2013-0122 N
1129511 01/30/2023 Deficient Monitoring Groundwater samples result for domestic well DW#1 were not included in the 2020 Violation None Inspection Joao Cardoso Dairy Inc. 335516 R5-2013-0122 N
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: 5
*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
238790 Staff Enforcement Letter UNKNOWN Enforcement - 8 365401001 ANIWSTCOWS 12/10/2001 Historical
239642 Staff Enforcement Letter UNKNOWN Enforcement - 8 365401001 ANIWSTCOWS 02/06/2002 Historical
347098 Oral Communication None Oral Comm..(05/14/08) ANIWSTCOWS 05/14/2008 Historical
360841 Staff Enforcement Letter None Staff Enforcement Letter for NYENHUIS, JIM 01/30/2009 ANIWSTCOWS 01/30/2009 Historical
390327 Oral Communication None Oral Com 04/09/2013 for Nyenhuis, Jim ANIWSTCOWS 04/09/2013 Historical
449453 Notice of Violation None NOV 09/28/2022 for John Cardoso ANIWSTCOWS 09/28/2022 Active
451602 13267 Letter None NOV 09/29/2021 for John Cardoso ANIWSTCOWS 09/29/2021 Historical
Total Enforcement Actions: 7
  
  
  
  
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: 01/09/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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