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
652250 Paul Liu 4040 4040 Paramount Blvd Lakewood, CA 90712 562-772-6440 pliu@wrd.org
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
Total Related Places: 0
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
51401 Water Replenishment District of Southern California Organization Legally Responsible Official 09/05/2025 None Special District
629181 Water Replenishment District Organization Legally Responsible Official 09/09/2025 None State Agency
629181 Water Replenishment District Organization Legally Responsible Official 09/10/2025 None State Agency
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?
Total Regulatory Measures: 0
  
  
  
  
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
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
449188 Water Replenishment District of Southern California NPDES Permit NPDMUNILRG 01/08/2024 Active
452814 Water Replenishment District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 07/24/2023 Active
445770 Water Replenishment District Enrollee - NPDES NPDNONMUNIPRCS 03/01/2022 Active
445770 Water Replenishment District Enrollee - NPDES NPDNONMUNIPRCS 03/01/2022 Active
444145 Water Replenishment District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 10/24/2021 Historical
438396 Water Replenishment District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 07/20/2020 Historical
416690 Water Replenishment District of Southern California Enrollee - WDR WDRNONMUNIPRCS 01/23/2019 Active
412688 Water Replenishment District of Southern California WDR REC 09/13/2018 Active
411558 Water Replenishment District of Southern California NPDES Permit NPDMUNILRG 12/01/2017 Historical
408246 Water Replenishment District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 08/22/2016 Historical
397427 Water Replenishment District of Southern California Reclamation Requirements REC 11/30/2014 Active
394623 Water Replenishment District of Southern California 401 Certification CERFILLEXC 01/13/2014 Historical
394412 Water Replenishment District of Southern California 401 Certification CERFILLEXC 12/20/2013 Historical
372103 Water Replenishment District of Southern California Letter NPDNONMUNIPRCS 11/19/2009 Historical
370768 Water Replenishment District of Southern California Letter NPDNONMUNIPRCS 07/28/2009 Historical
339797 Water Replenishment District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 02/21/2008 Historical
303789 Water Replenishment District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 03/20/2006 Historical
301840 Water Replenishment District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 03/06/2006 Active
308166 Water Replenishment District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 02/09/2006 Active
309293 Water Replenishment District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 02/01/2006 Active
297551 Water Replenishment District of Southern California Reclamation Requirements REC 09/01/2005 Historical
132680 Water Replenishment District of Southern California NPDES Permit NPDESWW 08/05/2004 Historical
193652 Water Replenishment District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 12/19/2001 Active
193653 Water Replenishment District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 12/19/2001 Active
193654 Water Replenishment District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 12/19/2001 Active
193651 Water Replenishment District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 11/28/2001 Active
136856 Water Replenishment District of Southern California NPDES Permit NPDESWW 05/27/1999 Historical
193424 Water Replenishment District of Southern California Enrollee NPDNONMUNIPRCS 04/20/1998 Historical
193410 Water Replenishment District of Southern California Enrollee NPDNONMUNIPRCS 01/07/1998 Historical
193359 Water Replenishment District of Southern California Enrollee NPDNONMUNIPRCS 08/07/1997 Historical
193290 Water Replenishment District of Southern California Enrollee NPDNONMUNIPRCS 01/20/1995 Historical
Total Regulatory Measures linked to Related Parties: 31
  
  
The current report was generated with data as of: 10/23/2025
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