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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
623418 Newhall Ranch Sanitation District Special District 1955 Workman Mill Road Whittier, CA 90601 562-699-7411 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
889614 JWPCP Effluent Outfalls Cathodic Repair Project Los Angeles 4 Dredge/Fill Site Owner 07/25/2023 None
873478 Newhall Ranch CS Los Angeles 4 Collection_System Owner and Operator 04/12/2021 None
Total Related Places: 2
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
546435 Lysa Gaboudian Person Data Submitter 09/09/2024 06/17/2025 None
610065 Ken Rademacher Person Legally Responsible Official 04/12/2021 10/01/2025 None
553688 Darrell Hatch Person Legally Responsible Official 07/23/2024 10/01/2025 None
646554 Jenny Tanphanich Person Data Submitter 08/07/2024 11/12/2025 None
651255 Mary Lee Person Legally Responsible Official 07/15/2025 None None
608750 Robert Ferrante Person Legally Responsible Official 07/25/2023 None None
646554 Jenny Tanphanich Person Legally Responsible Official 11/12/2025 None None
651298 Joseph Chang Person Legally Responsible Official 07/16/2025 None None
604923 Christine Gurga Person Data Submitter 12/17/2021 None None
604923 Christine Gurga Person Data Submitter 01/27/2022 None None
649589 Tamara Nikonova Person Legally Responsible Official 09/05/2025 None None
647893 Jason Finn Person Data Submitter 11/01/2024 None None
639402 Duncan Winoski Person Data Submitter 05/17/2023 None None
334657 Brian Louie Person Legally Responsible Official 01/13/2022 None None
639383 Kayla Maechler Person Data Submitter 05/15/2023 None None
546435 Lysa Gaboudian Person Legally Responsible Official 06/18/2025 None None
573112 Andre Schmidt Person Legally Responsible Official 01/13/2022 None None
647044 Kevin Kim Person Data Submitter 09/09/2024 None None
647044 Kevin Kim Person Legally Responsible Official 07/25/2025 None None
314667 Kristen Ruffell Person Legally Responsible Official 06/07/2023 None None
Total Related Parties: 20
  
  
  
  
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?
442894 Enrollee - WDR 4 4SSO18115 Active SSOMUNISML 2022-0103-DWQ 12/17/2021 None Discharger 04/12/2021 None N
Total Regulatory Measures: 1
  
  
  
  
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
Total Regulatory Measures linked to Related Parties: 0
  
  
The current report was generated with data as of: 12/15/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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