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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
30781 Monrovia City City Agency 600 South Mountain Avenue Monrovia, CA 91016 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
636668 Groundwater Treatment Plant Los Angeles 4 Facility Owner 07/03/2006 None
808438 Los Angeles County MS4s Los Angeles 4 MS4 None None None
243647 Monrovia City - Mun Separate Storm Sewer, MS4 Los Angeles 4 MS4 Owner 12/13/2001 None
631196 Monrovia City CS Los Angeles 4 Collection_System Owner 04/04/2006 None
846452 Monrovia City WS Los Angeles 4 Utility Structure Owner and Operator 04/13/2018 None
260521 Saw Pit Canyon Filtration Plnt Los Angeles 4 Facility Owner 12/21/1973 None
273577 Well # 6 Los Angeles 4 Facility Owner 12/18/1997 None
787391 Well No. 3 & 6 Los Angeles 4 Utility Structure Owner and Operator 10/22/2012 None
Total Related Places: 8
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
561684 Alex Tachiki Person Data Submitter 12/28/2016 08/23/2021 None
561684 Alex Tachiki Person Legally Responsible Official 08/24/2021 None None
551991 Andy Koutsoutis Person Legally Responsible Official 07/24/2015 10/30/2016 None
626970 Christopher Castruita Person Data Submitter 08/20/2021 None None
100689 David Fike Person Facility Contact 12/18/1997 None None
363558 Greg Salazar Person Data Submitter 02/06/2007 12/13/2007 None
363586 Heather Maloney Person Data Submitter 02/06/2007 03/18/2014 None
363588 Jun Cervantes Person Data Submitter 02/06/2007 03/06/2015 None
499714 Mark Carney Person Legally Responsible Official 02/17/2009 07/06/2015 None
560469 Paul Zampiello Person Legally Responsible Official 11/14/2016 None None
331235 Ron Bow Person Legally Responsible Official 07/03/2006 09/08/2013 None
300420 Scott Ochoa Person Legally Responsible Official 04/04/2006 07/06/2015 None
597796 Sean Sullivan Person Legally Responsible Official 09/10/2019 08/23/2021 None
558584 Shawn Igoe Person Legally Responsible Official 10/18/2010 07/06/2015 None
553411 Tina Cherry Person Employee 11/03/2015 None None
Total Related Parties: 15
  
  
  
  
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?
300039 Enrollee 4 4SSO10410 Active SSOMUNILRG 2022-0103-DWQ 11/22/2006 None Discharger 04/10/2006 None N
420868 Enrollee - NPDES 4 4DW0587 Active NPDNONMUNIPRCS 2014-0194-DWQ 01/01/2018 None Discharger 04/13/2018 None N
387810 Enrollee 4 4B198900139 Historical NPDNONMUNIPRCS R4-2008-0032 11/15/2012 01/06/2014 Discharger 10/22/2012 None N
305787 Enrollee 4 4B197600058 Historical NPDNONMUNIPRCS R4-2003-0108 06/01/2006 04/09/2008 Discharger 07/03/2006 None N
193411 Enrollee 4 4B196000387 Historical NPDNONMUNIPRCS 97-045 02/18/1998 03/03/2003 Discharger 09/01/2005 None N
132055 WDR 4 4B190111001 Historical WDR 02-1551 09/26/2002 None Discharger 09/26/2002 None N
131506 WDR 4 4B190111001 Historical WDR 73-117 12/21/1973 09/26/2002 Discharger 12/21/1973 None N
131507 WDR 4 4B190111001 Historical WDR 86-00107 05/19/1986 None Discharger 05/19/1986 None N
Total Regulatory Measures: 8
  
  
  
  
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
403490 Notice of Violation None NOV 09/22/2015 for Monrovia City SSOMUNILRG 09/22/2015 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: 12/30/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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