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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
21211 Hidden Hills City City Agency 6165 Spring Valley Road Hidden Hills, CA 91302 818-888-9281 citymanager@hiddenhillscity.org
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
808438 Los Angeles County MS4s Los Angeles 4 MS4 None None None
644943 Hidden Hills CS Los Angeles 4 Collection_System Owner 01/03/2007 None
243629 Hidden Hills City - Mun Separate Storm Sewer, MS4 Los Angeles 4 MS4 Owner 12/13/2001 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
460817 Gohar Tsolakyan Person Data Submitter 03/03/2008 09/24/2012 None
650303 Hassan Majidi Person Data Submitter 04/10/2025 None None
376814 Kevin Powers Person Legally Responsible Official 05/02/2007 02/02/2010 None
537094 Alexander Villarama Person Legally Responsible Official 07/23/2013 None None
334830 Jeffrey Bouse Person Legally Responsible Official 07/16/2012 None None
545590 Joe Bellomo Person Data Submitter 03/07/2014 09/24/2024 None
650353 Marie Garcia Person Data Submitter 04/10/2025 None None
376824 Dirk Lovett Person Legally Responsible Official 05/02/2007 None None
643241 Andrew Ngumba Person Legally Responsible Official 03/12/2024 None None
377387 Robert Swartz Person Legally Responsible Official 05/15/2007 10/31/2012 None
362164 Nicholas Agbobu Person Legally Responsible Official 05/15/2007 09/22/2022 None
334830 Jeffrey Bouse Person Legally Responsible Official 02/07/2007 10/18/2012 None
378512 Cynthia Marquez Hidden Hills Person Data Submitter 05/15/2007 09/02/2010 None
358051 Cherie Paglia Person Legally Responsible Official 01/03/2007 None None
550148 Daniel Lafferty Person Legally Responsible Official 02/20/2015 11/16/2015 None
530385 Kimberly Colbert Person Legally Responsible Official 12/02/2011 None None
376814 Kevin Powers Person Legally Responsible Official 02/02/2010 09/10/2011 None
646750 Tiara Caruthers Person Data Submitter 08/15/2024 None None
378513 Norman Cortez Hidden Hills Person Data Submitter 05/15/2007 09/02/2010 None
361559 May Hong Person Data Submitter 05/15/2007 None None
524466 Erica Gonzales Person Data Submitter 09/02/2010 07/12/2012 None
634443 Alexander Di Person Data Submitter 07/19/2022 None None
361237 Keith Lehto Person Legally Responsible Official 05/15/2007 07/17/2012 None
639886 Brigette Padilla Person Data Submitter 06/06/2023 10/02/2024 None
Total Related Parties: 24
  
  
  
  
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?
318272 Enrollee 4 4SSO11439 Active SSOMUNISML 2022-0103-DWQ 01/03/2007 None Discharger 01/03/2007 None N
384960 Letter 4 4B190176001 Historical MNSTW1 None 03/29/2012 03/30/2012 Discharger 05/07/2012 None N
Total Regulatory Measures: 2
  
  
  
  
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
342000 Notice of Violation NOV NOV sent 3/4/08 for 171 receiving water violations of MS4 permit CAS004001. MNSTW1 03/04/2008 Historical
Total Enforcement Actions: 1
  
  
  
  
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: 12/19/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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