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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
52148 Yorba Linda Water District Special District Po Box 309 Yorba Linda, CA 92885-0309 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
836076 Yorba Linda Water District WS Orange 8 Utility Structure Owner and Operator 06/23/2017 None
256418 Yorba Linda Water District CS Orange 8 Collection_System Owner 04/26/2002 None
219861 Dewatering,General-YLWD Orange 8 Utility Structure Owner 01/27/1995 None
Total Related Places: 3
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
650093 Brian Vargas Person Data Submitter 03/27/2025 None None
649057 Greg Valenzuela Person Data Submitter 02/04/2025 None None
648950 Freddie Ojeda Person Legally Responsible Official 02/04/2025 None None
638835 Ethan Nakano Person Data Submitter 04/04/2023 None None
593755 Nicholas Hollon Person Legally Responsible Official 01/08/2019 None None
586437 Nick Hollon Person Data Submitter 11/01/2018 03/11/2019 None
584062 Jeffrey McDonald Person Legally Responsible Official 09/18/2018 12/25/2024 None
583926 Anthony Varian Person Data Submitter 09/05/2018 04/11/2023 None
554869 Eduardo Gutierrez Person Data Submitter 03/01/2016 03/29/2017 None
538832 John DeCriscio Person Legally Responsible Official 02/20/2013 12/26/2024 None
448211 Ken Mendum Person Legally Responsible Official 11/26/2007 09/06/2018 None
362815 Ken Vecchiarelli Person Legally Responsible Official 02/01/2007 11/20/2014 None
362814 Harold Hulbert Person Data Submitter 02/01/2007 11/20/2014 None
362814 Harold Hulbert Person Legally Responsible Official 06/23/2017 None None
362813 Diane Dalton Person Legally Responsible Official 02/01/2007 08/15/2019 None
354385 Mike Payne Person Legally Responsible Official 12/08/2006 11/20/2014 None
115364 Lee Cory Person Legally Responsible Official 01/27/1995 11/20/2014 None
Total Related Parties: 17
  
  
  
  
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?
413961 Enrollee - NPDES 8 4DW0208 Active NPDNONMUNIPRCS 2014-0194-DWQ 01/04/2017 None Discharger 07/01/2016 None N
308772 Co-Permitee 8 8 303483001 Historical WDR R8-2002-0014 04/26/2002 12/01/2006 Discharger 09/07/2006 None N
298951 Enrollee 8 8SSO10641 Active SSOMUNILRG 2022-0103-DWQ 09/05/2006 None Discharger 03/23/2006 None N
206067 Enrollee 8 8 302825001 Historical NPDNONMUNIPRCS R8-2009-0003 08/18/1998 08/01/2015 Discharger 09/01/2005 None N
132117 WDR 8 None Historical WDR R8-2002-0014 04/26/2002 12/01/2006 Discharger 04/26/2002 None N
Total Regulatory Measures: 5
  
  
  
  
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.
1149634 11/18/2025 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Root Intrusion caused 920 gallons of sewage to spill fro Violation None SSO Yorba Linda Water District CS 298951 2022-0103-DWQ N
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: 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
Total Enforcement Actions: 0
  
  
  
  
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: 05/22/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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