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
516017 Santa Clarita Valley SD of Los Angeles Cnty Special District Po Box 4998 Whittier, CA 90607-4998 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
270849 Valencia WRP Los Angeles 4 Wastewater Treatment Facility Owner 06/05/2009 None
879431 Soledad Canyon Trunk Sewer Section 4 Project Los Angeles 4 Wastewater Treatment Facility Owner and Operator 02/16/2022 None
260494 Saugus Water Reclamation Plant Los Angeles 4 Wastewater Treatment Facility Owner 06/04/2009 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
649604 Nan Natanom-Harrold Person Data Submitter 03/10/2025 None None
648692 Margott Hinostroza Person Data Submitter 01/15/2025 None None
646863 Lindsay O'Donahue Person Data Submitter 12/12/2024 None None
642265 Michael Flores Person Data Submitter 10/31/2023 None None
640467 Marisol Cira Person Data Submitter 07/10/2023 None None
639812 Vincenzo Ciancia Person Data Submitter 06/15/2023 None None
636288 Syljohn Estil Person Data Submitter 11/22/2022 None None
630002 Preeti Ghuman Person Data Submitter 01/11/2022 None None
627289 Dan Vukovic Person Data Submitter 05/10/2022 None None
627289 Dan Vukovic Person Data Submitter 07/08/2022 None None
626784 Sarah Miles Person Data Submitter 08/11/2021 None None
626562 Thomas Parker Person Data Submitter 10/04/2022 None None
626009 James Grunwald Person Data Submitter 07/06/2021 None None
621839 Rita Chang Person Data Submitter 02/05/2021 None None
610975 Elizabeth Roswell Person Data Submitter 07/14/2020 None None
609761 Holly Jones Person Data Submitter 06/02/2020 None None
601637 Stefan Szalkowski Person Data Submitter 09/03/2019 None None
598636 Qin Liu Person Data Submitter 06/10/2019 None None
598636 Qin Liu Person Data Submitter 06/14/2019 None None
595992 Katie Marjanovic Person Legally Responsible Official 12/02/2024 None None
595992 Katie Marjanovic Person Data Submitter 09/11/2020 None None
595992 Katie Marjanovic Person Data Submitter 10/05/2020 None None
592486 Suzanne Brown Person Data Submitter 04/18/2019 None None
580129 Mandy Ng Person Data Submitter 08/29/2018 None None
579020 Jessica Lau Person Data Submitter 06/12/2018 None None
569529 Ryan Honda Person Data Submitter 11/22/2017 None None
562444 John Shay Person Data Submitter 12/27/2022 None None
562298 Steven Ono Person Data Submitter 01/31/2017 05/10/2018 None
562298 Steven Ono Person Data Submitter 02/01/2017 05/10/2018 None
559683 Monisha Brown Person Data Submitter 11/08/2016 None None
558391 Nicholas Wiehardt Person Data Submitter 08/12/2016 None None
556260 Naoko Munakata Person Legally Responsible Official 06/23/2016 None None
555508 Donald Ton Person Data Submitter 04/21/2016 None None
550383 Christina Pottios Person Data Submitter 07/15/2015 None None
550152 Misty Brown Person Data Submitter 05/18/2020 None None
550106 Joshua Westfall Person Data Submitter 07/29/2016 None None
546435 Lysa Gaboudian Person Legally Responsible Official 04/21/2016 None None
532401 Martha Tremblay Person Legally Responsible Official 05/21/2019 None None
528546 Russell Yoshida Person Data Submitter 09/16/2011 None None
526480 George Gallis Person Data Submitter 04/05/2011 12/08/2017 None
522299 Jodie Lanza Person Data Submitter 05/05/2010 None None
522298 Brittany Liu Person Data Submitter 05/05/2010 05/19/2017 None
522297 Andrew Hall Person Legally Responsible Official 05/28/2015 04/06/2017 None
522297 Andrew Hall Person Data Submitter 05/05/2010 05/28/2015 None
522296 Francisco Guerrero Person Data Submitter 05/05/2010 None None
522295 Shannon Bishop Person Data Submitter 05/05/2010 None None
522294 Karen Elliott Person Data Submitter 05/05/2010 None None
522293 Esther Cantu Person Data Submitter 05/05/2010 None None
522290 Kurt Rinaldi Person Data Submitter 05/05/2010 08/12/2015 None
521997 Craig Cornelius Person Data Submitter 04/07/2010 None None
521733 Ken Hoffman Person Data Submitter 05/05/2010 None None
521731 Peter Navas Person Data Submitter 05/05/2010 None None
521719 Abder Yacoby Person Data Submitter 05/05/2010 None None
521717 Gary Salva Person Data Submitter 05/05/2010 02/08/2013 None
521628 Mike Sullivan Person Legally Responsible Official 03/16/2010 None None
467638 Kristy Monji Person Data Submitter 07/14/2011 None None
400137 Susan Bremser Person Data Submitter 05/05/2010 10/31/2012 None
400137 Susan Bremser Person Data Submitter 01/10/2012 12/04/2020 None
314909 Nicholas Smal Person Data Submitter 12/06/2017 None None
314899 Christian Alarcon Person Legally Responsible Official 02/16/2022 None None
308868 Thomas Weiland Person Owner Contact 08/09/2009 None None
308868 Thomas Weiland Person Legally Responsible Official 03/16/2010 02/08/2013 None
303050 Ann Heil Person Data Submitter 09/26/2012 07/01/2021 None
Total Related Parties: 63
  
  
  
  
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?
442544 NPDES Permit 4 4A190107021 Active NPDMUNILRG R4-2022-0175 07/01/2022 None Discharger 03/10/2021 None N
440300 Co-Permitee SB 4A190107023 Active SLIC 2020-0015-DWQ 07/09/2020 None Discharger 09/18/2020 None N
440299 Co-Permitee SB 4A190107021 Active SLIC 2020-0015-DWQ 07/09/2020 None Discharger 09/18/2020 None N
435564 NPDES Permit 4 4A190107023 Active NPDMUNILRG R4-2022-0174 07/01/2022 None Discharger 11/18/2019 None N
396158 NPDES Permit 4 4A190107021 Historical NPDMUNILRG R4-2015-0072 05/03/2015 06/30/2022 Discharger 05/09/2014 None N
395514 NPDES Permit 4 4A190107023 Historical NPDMUNILRG R4-2015-0071 05/03/2015 06/30/2022 Discharger 03/28/2014 None N
389840 13267 Letter (Non-Enforcement) 4 4A190107023 Historical NPDMUNILRG R4-2009-0074 01/30/2013 01/31/2013 Discharger 04/11/2013 None N
389837 13267 Letter (Non-Enforcement) 4 4A190107021 Historical NPDMUNILRG R4-2009-0075 01/30/2013 01/31/2013 Discharger 04/11/2013 None N
381323 Letter 4 4A190107021 Historical NPDMUNILRG R4-2009-0075 09/08/2011 09/09/2011 Discharger 06/04/2009 None N
369513 NPDES Permit 4 4A190107023 Historical NPDMUNILRG R4-2009-0074 07/24/2009 05/02/2015 Discharger 08/04/2009 None Y
369505 NPDES Permit 4 4A190107021 Historical NPDMUNILRG R4-2009-0075 07/24/2009 05/02/2015 Discharger 06/04/2009 None N
192886 Enrollee - NPDES 4 4A196000102 Active NPDNONMUNIPRCS R4-2018-0125 07/16/1993 None Discharger 06/05/2009 None N
Total Regulatory Measures: 12
  
  
  
  
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.
1149348 08/05/2025 Deficient Monitoring Per Section 8.1 of the MRP, receiving water samples from receiving water monitor Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1148311 07/29/2025 Deficient Monitoring Per Sections 3.1 and 4.1 of the MRP, influent and effluent samples shall be anal Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1143334 02/19/2025 Deficient Monitoring Per Section 4.1 of the MRP, continuous monitoring of total residual chlorine sha Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1143333 02/28/2025 Deficient Monitoring Per Section 4.1 of the MRP, effluent samples shall be analyzed monthly for disso Violation N eSMR Valencia WRP 435564 R4-2022-0174 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: 4
*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
429363 Time Schedule Order R4-2019-0056 TSO R4-2019-0056 for Santa Clarita Valley SD of Los Angeles Cnty NPDMUNILRG 05/09/2019 Historical
429357 Time Schedule Order R4-2019-0055 TSO R4-2019-0055 for Santa Clarita Valley SD of Los Angeles Cnty NPDMUNILRG 05/09/2019 Historical
388286 Admin Civil Liability R4-2012-0160 ACL R4-2012-0160 for Santa Clarita Valley SD of Los Angeles Cnty NPDMUNILRG 06/28/2013 Historical
386392 Notice of Violation None NOV 05/27/2011 for Santa Clarita Valley Sanitation District of Los Angeles County NPDMUNILRG 05/27/2011 Historical
386391 Notice of Violation None NOV 05/27/2011 for Santa Clarita Valley Sanitation District of Los Angeles County NPDMUNILRG 05/27/2011 Historical
Total Enforcement Actions: 5
  
  
  
  
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: 12/08/2025
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