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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
44259 South San Joaquin ID Special District 11011 East Highway 120 Manteca, CA 95336-9751 209-823-3101 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
261604 South Co Water Supply WQC San Joaquin 5S Dredge/Fill Site Owner 06/17/2005 None
643987 South San Joaquin ID-Ag Waiver San Joaquin 5S Irrigated Lands Owner 12/15/2006 None
783271 Nick C. Degroot WTP Stanislaus 5S Water Treatment Plant Owner and Operator 07/10/2012 None
894958 Canyon Tunnel Project Calaveras 5S Dredge/Fill Site Owner 05/21/2024 None
Total Related Places: 4
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
645370 Peter Rietkerk Person Legally Responsible Official 05/21/2024 None None
535020 Bill Hubkey Person Legally Responsible Official 07/10/2012 None None
144730 Grant Kreinberg Person Enforcement Contact 09/15/2004 None None
Total Related Parties: 3
  
  
  
  
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?
456998 401 Certification 5S 5B05CR00124 Active CERFILLEXC None 08/07/2024 None Discharger 05/21/2024 None N
445691 WDR 5S 5B50NC00313 Active WDRMUNIENROTH R5-2021-0059 10/15/2021 None Discharger 11/12/2021 None N
386084 WDR 5S 5B50NC00313 Historical WDRMUNIOTH R5-2014-0026 02/07/2014 10/14/2021 Discharger 07/10/2012 None Y
316880 Enrollee 5S 5B39AG00003 Historical IRRI R5-2006-0054 07/01/2006 05/02/2011 Discharger 07/01/2005 None N
Total Regulatory Measures: 4
  
  
  
  
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
252901 Notice of Violation None NOV 09/15/2004 for South San Joaquin ID, South Co Water Supply WQC CERFILLEXC 09/15/2004 Historical
402699 Notice of Violation None NOV 08/24/2015 for South San Joaquin ID WDRMUNIOTH 08/24/2015 Historical
404438 Notice of Violation None NOV 01/14/2016 for South San Joaquin ID WDRMUNIOTH 01/14/2016 Historical
Total Enforcement Actions: 3
  
  
  
  
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: 05/01/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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