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   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
43044 San Dimas City City Agency 245 East Bonita Avenue San Dimas, CA 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
808438 Los Angeles County MS4s Los Angeles 4 MS4 None None None
243661 San Dimas City - Mun Separate Storm Sewer, MS4 Los Angeles 4 MS4 Owner 12/13/2001 None
770589 San Dimas City Long Term Culvert Maintenance Los Angeles 4 Dredge/Fill Site Owner 09/01/2011 None
631231 San Dimas City CS Los Angeles 4 Collection_System Owner 04/04/2006 None
Total Related Places: 4
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
361559 May Hong Person Data Submitter 01/24/2007 None None
646750 Tiara Caruthers Person Data Submitter 08/19/2024 None None
300450 Blaine Michaelis Person Legally Responsible Official 04/04/2006 None None
528777 Shari Garwick Person Legally Responsible Official 09/01/2011 None None
361559 May Hong Person Legally Responsible Official 03/06/2024 None None
643241 Andrew Ngumba Person Legally Responsible Official 03/12/2024 None None
644438 Eric Liu Person Legally Responsible Official 04/30/2024 None None
650353 Marie Garcia Person Data Submitter 04/15/2025 None None
537094 Alexander Villarama Person Legally Responsible Official 07/23/2013 None None
650303 Hassan Majidi Person Data Submitter 04/10/2025 None None
334830 Jeffrey Bouse Person Legally Responsible Official 07/17/2012 None None
355338 Krishna Patel Person Legally Responsible Official 12/14/2006 None None
639886 Brigette Padilla Person Data Submitter 06/06/2023 10/02/2024 None
528777 Shari Garwick Person Data Submitter 01/26/2023 05/26/2023 None
362164 Nicholas Agbobu Person Legally Responsible Official 01/26/2007 09/22/2022 None
550148 Daniel Lafferty Person Legally Responsible Official 02/20/2015 11/16/2015 None
537557 Latoya Waters Person Legally Responsible Official 11/06/2012 09/30/2015 None
377387 Robert Swartz Person Legally Responsible Official 05/02/2007 10/31/2012 None
334830 Jeffrey Bouse Person Legally Responsible Official 01/25/2007 10/18/2012 None
460817 Gohar Tsolakyan Person Data Submitter 03/04/2008 09/24/2012 None
361237 Keith Lehto Person Legally Responsible Official 01/24/2007 07/17/2012 None
524466 Erica Gonzales Person Data Submitter 09/02/2010 07/12/2012 None
362095 Norman Cortez San Dimas Person Data Submitter 01/26/2007 09/02/2010 None
362355 Cynthia Marquez San Dimas Person Data Submitter 03/27/2007 09/02/2010 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?
381162 401 Certification 4 None Historical CERFILLEXC None 01/20/2010 01/20/2015 Discharger 09/01/2011 None N
300079 Enrollee 4 4SSO10425 Active SSOMUNILRG 2022-0103-DWQ 10/30/2006 None Discharger 04/10/2006 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.
1149593 11/10/2025 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Pipe Structural Problem/Failure - Controls caused 1500 g Violation None SSO San Dimas City CS 300079 2022-0103-DWQ 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: 1
*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: 12/17/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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