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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
51401 Water Replenishment District of Southern California Special District 4040 Paramount Boulevard Lakewood, CA 90712 562-921-5521(+) None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
633747 Sepulveda Well No. 1 & 2 Los Angeles 4 Utility Structure Owner 01/16/2008 None
639657 Dewatering,WRD So CA, Alamitos Seawater Intrusion Barrier Orange 8 Utility Structure Owner and Operator 11/06/2014 None
827160 Groundwater Reliability Improvement Project Los Angeles 4 Recycled Water Use Area Owner 08/11/2016 None
840785 Water Replenishment District Los Angeles 4 Domestic Site NEC Owner and Operator 10/13/2017 None
800178 Torrance Police Dept. Well Los Angeles 4 Utility Structure None None None
217392 Chandler Quarry Los Angeles 4 Facility Owner 08/06/1997 None
253988 Regional GW monitoring - Los Angeles River Watershed Los Angeles 4 Utility Structure Owner 10/09/2001 None
253990 Reg GW monitoring-Ballona Creek Los Angeles 4 Utility Structure Owner 10/09/2001 None
273685 West Coast Basin Desalter Los Angeles 4 Facility Owner 07/28/1998 None
632594 Dominguez Gap Barrier Project Los Angeles 4 Utility Structure Owner 04/21/2006 None
221496 Dominguez Monitoring Wells Los Angeles 4 Facility Owner 03/18/1998 None
715067 Madrona Well No. 2 Los Angeles 4 Utility Structure Owner 02/21/2008 None
629209 Alamitos Barrier Recycled Water Project/Leo J. Vander Lans Water Treatment Fac. Los Angeles 4 Recycled Water Use Area Owner and Operator 01/19/2012 None
867182 Albert Robles Center (ARC) for Water Recycling & Env. Learning Los Angeles 4 Wastewater Treatment Facility Owner 06/03/2020 None
253987 Regional GW monitoring - Dominguez Channel Los Angeles 4 Waterway/Shoreline Site Owner 10/09/2001 None
800177 Delthorne Park Well Los Angeles 4 Utility Structure Owner 10/24/2013 None
875217 Leo J. Vander Lans Advanced Water Treatment Facility Los Angeles 4 Water Treatment Plant Owner and Operator 07/12/2021 None
261671 South Torrance Test Wells Los Angeles 4 Facility Owner 12/26/1997 None
826333 GW Reliability Improvement Proj - Monitoring and Injection Wells Los Angeles 4 Domestic Site NEC Owner and Operator 07/13/2016 None
802225 No. 2 Inlet/Turn-out Structure Los Angeles 4 Dredge/Fill Site None None None
253986 Regional GW monitoring - San Gabriel River Los Angeles 4 Utility Structure Owner 10/09/2001 None
640721 Alamitos Barrier Project - CI 9018 Los Angeles 4 Utility Structure Owner 09/12/2006 None
831920 ALBERT ROBLES CENTER FOR WATER RECYCLING & ENVIRONMENTAL LEARNING (ARC) - AWTF Los Angeles 4 Water Treatment Plant Owner and Operator 01/20/2017 None
273662 West Basin Observation Well Los Angeles 4 Facility Owner 12/05/1994 None
802792 001B Turn-out Structure Los Angeles 4 Dredge/Fill Site Owner 01/15/2014 None
Total Related Places: 25
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
636527 Sophia Liang Person Data Submitter 12/14/2022 None None
634754 Andrew Thomas Person Data Submitter 08/10/2022 None None
630208 Brian Partington Person Legally Responsible Official 03/13/2021 None None
522298 Brittany Liu Person Data Submitter 10/25/2017 None None
630217 Benny Chong Person Employee 03/13/2021 None None
626123 Tom Knoell Person Employee 07/12/2021 None None
652295 Moises Santillan Person Employee 08/29/2025 None None
593022 Phuong Watson Person Legally Responsible Official 01/03/2019 None None
572006 Ken Ortega Person Legally Responsible Official 08/30/2018 None None
611118 Everett Ferguson Person Legal representative 06/30/2020 None None
569066 Mat Kelliher Person Legally Responsible Official 10/13/2017 None None
544691 Jim McDavid Person Legally Responsible Official 12/30/2013 None None
70922 Jim Lescrman Person Legal representative 12/05/1994 None None
647230 Stephan Tucker Person Legally Responsible Official 10/02/2024 None None
562097 Binhyen Bui Person Legally Responsible Official 01/20/2017 None None
652250 Paul Liu Person Legally Responsible Official 09/05/2025 None None
563772 Rob Beste Person Legally Responsible Official 01/16/2020 11/17/2025 None
601580 Eric Owens Person Legally Responsible Official 09/10/2019 10/17/2025 None
559556 Robb Whitaker Person Legally Responsible Official 09/26/2016 07/27/2021 None
319007 Theodore Johnson Person Employee 05/25/2006 07/26/2021 None
137801 Cathy Chang Person Legally Responsible Official 01/19/2012 04/25/2017 None
Total Related Parties: 21
  
  
  
  
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?
416690 Enrollee - WDR 4 4B197700032 Active WDRNONMUNIPRCS 2003-0003-DWQ 01/23/2019 None Discharger 10/13/2017 None N
397427 Reclamation Requirements 4 4B190140002 Historical REC R4-2014-0111 11/30/2014 12/31/2025 Discharger 09/01/2005 None N
297551 Reclamation Requirements 4 4B190140002 Historical REC R4-2005-0061 09/01/2005 11/29/2014 Discharger 02/22/2006 None Y
412688 WDR 4 4B190140004 Active REC R4-2018-0129 09/13/2018 None Discharger 04/12/2017 None N
463717 Reclamation Requirements 4 4B190140002 Active REC R4-2025-0273 01/01/2026 None Discharger 12/23/2025 None N
438396 Enrollee - NPDES 4 4B198903068 Historical NPDNONMUNIPRCS R4-2018-0125 07/20/2020 06/10/2021 Discharger 06/03/2020 None N
308166 Enrollee - NPDES 8 8 303531001 Active NPDNONMUNIPRCS R8-2020-0006 02/09/2006 None Discharger 08/24/2006 None N
303789 Enrollee - NPDES 4 4B197600051 Historical NPDNONMUNIPRCS R4-2003-0108 03/20/2006 06/30/2017 Discharger 05/25/2006 None N
193652 Enrollee - NPDES 4 4B196100082 Active NPDNONMUNIPRCS R4-2023-0429 12/19/2001 None Discharger 09/01/2005 None N
193651 Enrollee - NPDES 4 4B198901115 Active NPDNONMUNIPRCS R4-2023-0429 11/28/2001 None Discharger 09/01/2005 None N
301840 Enrollee - NPDES 4 4B198901122 Active NPDNONMUNIPRCS R4-2023-0429 03/06/2006 None Discharger 04/21/2006 None N
408246 Enrollee - NPDES 4 4B198901109 Historical NPDNONMUNIPRCS R4-2013-0095 08/22/2016 06/18/2018 Discharger 08/11/2016 None N
193654 Enrollee - NPDES 4 4B196100084 Active NPDNONMUNIPRCS R4-2018-0125 12/19/2001 None Discharger 09/01/2005 None N
193359 Enrollee 4 4B196000325 Historical NPDNONMUNIPRCS 97-045 08/07/1997 10/10/1997 Discharger 09/01/2005 None N
452814 Enrollee - NPDES 4 4B198903148 Active NPDNONMUNIPRCS R4-2023-0429 07/24/2023 None Discharger 05/31/2023 None N
370768 Letter 4 4B197600064 Historical NPDNONMUNIPRCS R4-2003-0108 07/28/2009 07/29/2009 Discharger 09/12/2006 None N
193424 Enrollee 4 4B196000403 Historical NPDNONMUNIPRCS 97-045 04/20/1998 04/28/2003 Discharger 09/01/2005 None N
193653 Enrollee - NPDES 4 4B198901116 Active NPDNONMUNIPRCS R4-2018-0125 12/19/2001 None Discharger 09/01/2005 None N
309293 Enrollee - NPDES 4 4B198901110 Active NPDNONMUNIPRCS R4-2013-0095 02/01/2006 None Discharger 09/12/2006 None N
339797 Enrollee - NPDES 4 4B197600088 Historical NPDNONMUNIPRCS R4-2003-0108 02/21/2008 01/17/2017 Discharger 02/21/2008 None N
372103 Letter 4 4B197600050 Historical NPDNONMUNIPRCS R4-2003-0108 11/19/2009 11/20/2009 Discharger 04/21/2006 None N
444145 Enrollee - NPDES 4 None Historical NPDNONMUNIPRCS R4-2018-0125 10/24/2021 11/06/2023 Discharger 07/12/2021 None N
193290 Enrollee 4 4B196000162 Historical NPDNONMUNIPRCS 97-045 01/20/1995 06/10/2003 Discharger 09/01/2005 None N
193410 Enrollee 4 4B196000386 Historical NPDNONMUNIPRCS 97-045 01/07/1998 03/19/2003 Discharger 09/01/2005 None N
411558 NPDES Permit 4 4B190140003 Historical NPDMUNILRG R4-2017-0187 12/01/2017 01/07/2024 Discharger 01/25/2017 None N
449188 NPDES Permit 4 4B190140003 Active NPDMUNILRG R4-2023-0373 01/08/2024 None Discharger 09/14/2022 None N
132680 NPDES Permit 4 4B190140001 Historical NPDESWW 04-0117 08/05/2004 08/06/2004 Discharger 08/05/2004 None N
136856 NPDES Permit 4 4B190140001 Historical NPDESWW 99-042 05/27/1999 08/04/2004 Discharger 05/27/1999 None N
394623 401 Certification 4 None Historical CERFILLEXC None 01/13/2014 01/13/2019 Discharger 01/15/2014 None N
394412 401 Certification 4 None Historical CERFILLEXC None 12/20/2013 12/20/2018 Discharger 12/30/2013 None N
Total Regulatory Measures: 30
  
  
  
  
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.
1150928 12/02/2025 OEV Temperature Instantaneous Maximum limit is 80 Degrees F and reported value was 8 Violation N Report Regional GW monitoring - Dominguez Channel 193652 R4-2023-0429 N
1146162 08/15/2025 Late Report 2Q25 report submitted 1 day late Violation N Report Regional GW monitoring - San Gabriel River 193654 R4-2018-0125 N
1146095 08/15/2025 Late Report 2Q25 report submitted 1 day late Violation N Report Reg GW monitoring-Ballona Creek 193651 R4-2023-0429 N
1146150 08/15/2025 Late Report 2Q25 report submitted 1 day late Violation N Report Regional GW monitoring - Dominguez Channel 193652 R4-2023-0429 N
1146349 08/15/2025 Late Report 2Q25 report submitted 1 day late Violation N Report Regional GW monitoring - Los Angeles River Watershed 193653 R4-2018-0125 N
1145666 03/31/2025 Deficient Monitoring March 2025 report missing quarterly monitoring for EFF-001A including DO, TDS, s Violation N Report ALBERT ROBLES CENTER FOR WATER RECYCLING & ENVIRONMENTAL LEARNING (ARC) - AWTF 449188 R4-2023-0373 N
1143989 02/28/2025 CAT1 Oil and Grease Monthly Average limit is 10 mg/L and reported value was 12 mg/L. Violation N Report Alamitos Barrier Project - CI 9018 309293 R4-2013-0095 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: 7
*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
405588 Admin Civil Liability R4-2016-0070 ACL R4-2016-0070 for Water Replenishment District of Southern California NPDNONMUNIPRCS 08/19/2016 Historical
412171 Admin Civil Liability R4-2017-0056 ACL R4-2017-0056 for Water Replenishment District of Southern California NPDNONMUNIPRCS 05/19/2017 Historical
411673 Admin Civil Liability R4-2017-0011 ACL R4-2017-0011 for Water Replenishment District of Southern California NPDNONMUNIPRCS 05/19/2017 Historical
357999 Admin Civil Liability SWB-2008-4-0096 Expedited Payment Letter for Water Replenishment District of Southern California NPDNONMUNIPRCS 03/25/2011 Historical
389588 Admin Civil Liability R4-2013-0037 ACL R4-2013-0037 for Water Replenishment District of Southern California NPDNONMUNIPRCS 10/10/2013 Historical
243588 Notice of Violation NOV NOV sent by SWRCB 3/4/03 for overdue annual permit fee ($2,900). NPDNONMUNIPRCS 03/04/2003 Historical
243580 Notice of Violation NOV NOV sent by SWRCB 3/4/03 for overdue annual permit fee ($2,900). NPDNONMUNIPRCS 03/04/2003 Historical
243586 Notice of Violation NOV NOV sent by SWRCB 3/4/03 for overdue annual permit fee ($10,500). NPDNONMUNIPRCS 03/04/2003 Historical
341030 Notice of Violation NOV NOV sent 1/29/08 for six overdue DMRs. NPDNONMUNIPRCS 01/29/2008 Historical
Total Enforcement Actions: 9
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
444145 Tom Knoell Enrollee - NPDES NPDNONMUNIPRCS 10/24/2021 Historical
Total Regulatory Measures linked to Related Parties: 1
  
  
The current report was generated with data as of: 02/06/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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