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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
11135 Pomona City City Agency 505 South Garey Avenue Pomona, CA 91766 909-620-3717 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
799687 Pomona MS4 - Discharging to Middle Santa Ana River Watershed Los Angeles 8 MS4 Owner and Operator 01/03/2014 None
243655 Pomona City - Mun Separate Storm Sewer, MS4 Los Angeles 4 MS4 Owner 12/13/2001 None
882427 East San Gabriel Valley Stormwater Automatic Sampler Project, Upper San Dimas Wa Los Angeles 4 Dredge/Fill Site Owner 07/25/2022 None
631213 Pomona City CS Los Angeles 4 Collection_System Owner 04/04/2006 None
882421 East San Gabriel Valley Stormwater Automatic Sampler Project, Upper San Jose Cre Los Angeles 4 Dredge/Fill Site Owner 07/25/2022 None
882426 East San Gabriel Valley Stormwater Automatic Sampler Project, Lower San Dimas Wa Los Angeles 4 Dredge/Fill Site Owner 07/25/2022 None
882423 East San Gabriel Valley Stormwater Automatic Sampler Project, Lower San Jose Cre Los Angeles 4 Dredge/Fill Site Owner 07/25/2022 None
799686 Claremont MS4 - Discharging to Middle Santa Ana River Watershed Los Angeles 8 MS4 None None None
808438 Los Angeles County MS4s Los Angeles 4 MS4 None None None
897499 claremont ms4 Los Angeles 8 MS4 None None None
Total Related Places: 10
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
643687 Jason Hernandez Person Data Submitter 02/07/2024 None None
636023 Michael Moody Person Data Submitter 11/03/2022 None None
595643 Gary Matthews Person Legally Responsible Official 03/15/2019 09/19/2025 None
595642 George Diggs Person Legally Responsible Official 03/15/2019 None None
595499 Romell Eutsey Person Legally Responsible Official 10/31/2022 None None
595499 Romell Eutsey Person Data Submitter 03/05/2019 10/31/2022 None
562089 David Weaver Person Data Submitter 01/19/2017 03/04/2020 None
544742 Julie Carver Person Legally Responsible Official 01/03/2014 None None
539443 Nick Copagni Person Legally Responsible Official 04/08/2013 None None
539442 Darron Poulsen Person Legally Responsible Official 04/08/2013 09/19/2025 None
539441 Raul Garibay Person Legally Responsible Official 04/08/2013 03/05/2019 None
537998 Jon Aaron Person Legally Responsible Official 12/14/2012 None None
530193 Kaying Lee Person Legally Responsible Official 11/21/2011 None None
525267 Ishmael Lopez Person Data Submitter 12/13/2010 None None
509379 Pomona City Water Dept Organization Division Of (Passive) 11/04/2010 None City Agency
440567 Julie Carver Person Data Submitter 03/29/2023 None None
363378 Rosemarie Chora Person Legally Responsible Official 09/29/2008 07/01/2021 None
355321 John Lopez Person Data Submitter 12/14/2006 None None
122155 Norbert Baldonado Person Data Submitter 12/14/2006 04/08/2013 None
122155 Norbert Baldonado Person Legally Responsible Official 04/08/2013 09/19/2025 None
67637 Jim Taylor Person Legally Responsible Official 04/04/2006 None None
Total Related Parties: 21
  
  
  
  
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?
395473 Resolution 8 None Historical PLNTMDL R8-2014-0031 03/14/2014 03/14/2014 Discharger 03/26/2014 None N
448666 Enrollee - 401 Certification 4 4WQC40122057 Active CERFILLEXC 2021-0048-DWQ 08/26/2022 None Discharger 07/25/2022 None N
300059 Enrollee 4 4SSO10418 Active SSOMUNILRG 2022-0103-DWQ 08/10/2006 None Discharger 04/10/2006 None N
448670 Enrollee - 401 Certification 4 4WQC40122059 Active CERFILLEXC 2021-0048-DWQ 08/26/2022 None Discharger 07/25/2022 None N
448671 Enrollee - 401 Certification 4 4WQC40122060 Historical CERFILLEXC 2021-0048-DWQ 08/26/2022 05/21/2025 Discharger 07/25/2022 None N
448668 Enrollee - 401 Certification 4 4WQC40122058 Active CERFILLEXC 2021-0048-DWQ 08/26/2022 None Discharger 07/25/2022 None N
Total Regulatory Measures: 6
  
  
  
  
Expand/Contract Violations
Violations within the past five years
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.
1097420 12/01/2021 Sanitary Sewer Overflow/Spill/ Type: Category 1. Other (specify below);Calcium deposits and FOG. caused 150.0 g Violation N SSO Pomona City CS 300059 2022-0103-DWQ Y
1112539 01/23/2023 Sanitary Sewer Overflow/Spill/ Type: Category 2. Grease Deposition (FOG) caused 3500.0 gallons of sewage to spi Violation N SSO Pomona City CS 300059 2022-0103-DWQ Y
1099105 01/14/2022 Sanitary Sewer Overflow/Spill/ Type: Category 2. Other (specify below);FOG- Grease Deposition, Rags, Debris. ca Violation N SSO Pomona City CS 300059 2022-0103-DWQ Y
1147453 09/05/2025 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Other (specify below),Vandalism (specify below) caused 1 Violation None SSO Pomona City CS 300059 2022-0103-DWQ N
1100886 02/17/2022 Sanitary Sewer Overflow/Spill/ Type: Category 3. Root Intrusion caused 580.0 gallons of sewage to spill from Ma Violation N SSO Pomona City CS 300059 2022-0103-DWQ Y
1098704 01/03/2022 Sanitary Sewer Overflow/Spill/ Type: Category 3. Root Intrusion caused 6.0 gallons of sewage to spill from Manh Violation N SSO Pomona City CS 300059 2022-0103-DWQ Y
1095310 10/14/2021 Sanitary Sewer Overflow/Spill/ Type: Category 1. Debris-Wipes/Non-Dispersables;After post cleaning Wastewater O Violation N SSO Pomona City CS 300059 2022-0103-DWQ Y
Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 7
*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
225836 Clean-up and Abatement Order CAO CAO - 4B190145N01 UNREGS 10/12/1999 Historical
454673 Notice of Violation None NOV 08/09/2023 for Pomona City SSOMUNILRG 08/09/2023 Historical
227732 Clean-up and Abatement Order R4-1999-0084 CAO No. 99-084 contained a time schedule to address sewage spill. - 4B190145N01 UNREGS 10/12/1999 Historical
228465 13267 Letter 13267 Letter 13267 Letter sent 8/17/00 requiring Pomona to submit report on 3 sewage spills. DISCHLND 08/17/2000 Historical
Total Enforcement Actions: 4
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
420906 Pomona City Water Dept Enrollee - NPDES NPDNONMUNIPRCS 01/01/2018 Active
366449 Pomona City Water Dept Enrollee NPDNONMUNIPRCS 05/29/2009 Historical
Total Regulatory Measures linked to Related Parties: 2
  
  
The current report was generated with data as of: 12/23/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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