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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
S168540 City of Antioch Privately-Owned Business PO Box 5007 Antioch, CA 94531 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
S919415 Contra Loma Estates Park Renovation Contra Costa 5S Facility Discharger 02/07/2024 None
S917714 West Antioch Creek Silt Removal Sacramento 5S Facility Discharger 11/21/2023 None
S917379 West Antioch Creek Silt Removal Sacramento 5S Facility Discharger 11/03/2023 None
S891558 Brackish Water Desalination Contra Costa 5S Facility Discharger 02/22/2021 None
S878453 Antioch CDBG Phase 8 Contra Costa 5S Facility Discharger 01/14/2020 None
S862069 West Antioch Creek Channel Improvements Contra Costa 5S Facility Discharger 02/22/2018 None
S830912 Sewer Main Replacement at Various Locations Contra Costa 5S Facility Discharger 08/11/2014 None
S828818 Somersville Road Widening Contra Costa 5S Facility Discharger 04/11/2014 None
S826913 Water Main Replacement at Various Locations PW503 14 Contra Costa 5S Facility Discharger 12/02/2013 None
S826485 Lone Tree Way Intersection Improvements Contra Costa 5S Facility Discharger 10/29/2013 None
S823418 Lone Tree Way Intersection Improvements Contra Costa 5S Facility Discharger 05/28/2013 None
S822282 Antioch Community Park Soccer Fields Contra Costa 5S Facility Discharger 03/28/2013 None
S820959 Wilbur Avenue Overhead Widening Contra Costa 5S Facility Discharger 01/10/2013 None
S817549 Markley Creek Culvert Replacement Contra Costa 5S Facility Discharger 06/14/2012 None
S812426 Pavement Rehabilitaton Contra Costa 5S Facility Discharger 09/12/2011 None
S809268 Delta Fair Blvd Roadway Reconstruction Contra Costa 5S Facility Discharger 04/13/2011 None
S806034 Lone Tree Way Intersection Improvements Contra Costa 5S Facility Discharger 10/12/2010 None
S857057 Phase I MS4 Contra Costa 5S Facility Discharger 09/23/2010 None
S805189 Downtown Roadway Pavement Rehabilitation Contra Costa 5S Facility Discharger 08/17/2010 None
S805173 Antioch Boat Launching Facility Contra Costa 5S Facility Discharger 08/16/2010 None
S803265 CDBG-R Downtown Roadway Rehabilitation Phase 3 Contra Costa 5S Facility Discharger 05/25/2010 None
S744572 DDSD Antioch City Recycled Water Line Proj Contra Costa 5S Facility Discharger 09/14/2009 None
S736073 Prewett Park Community Facilities Contra Costa 5S Facility Discharger 04/08/2009 None
S723108 Markley Creek Restoration Proj Contra Costa 5S Facility Discharger 07/22/2008 None
S715441 Downtown Roadway Rehabilitation PW 678 Contra Costa 5S Facility Discharger 03/26/2008 None
S715171 Markley Creek Contra Costa 5S Facility Discharger 03/21/2008 None
S714811 Somersville Rd Bridge Rehabilitation PW 141 B Contra Costa 5S Facility Discharger 03/12/2008 None
S653369 James Donlon Roadway Rehab Contra Costa 5S Facility Discharger 07/02/2007 None
S640759 James Donlon Blvd Roadway Rehabilitation Contra Costa 5S Facility Discharger 09/13/2006 None
S630322 WTP Solids Handling Facilities & Plant B Expansion Contra Costa 5S Facility Discharger 03/29/2006 None
S239238 Antioch City Maintenance Services Contra Costa 5S Facility Discharger 09/01/2005 None
Total Related Places: 31
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
N/A Stephen Scudero Contact Owner Contact N/A N/A N/A
N/A Scott Buenting Contact Owner Contact N/A N/A N/A
N/A Scott Buenting Contact Owner Contact N/A N/A N/A
N/A Rowland Bernal Jr Contact Owner Contact N/A N/A N/A
N/A Ron Bernal Contact Owner Contact N/A N/A N/A
N/A Rob Bernal Contact Owner Contact N/A N/A N/A
N/A Philip Hoffmeister Contact Owner Contact N/A N/A N/A
N/A Phil Hoffmeister Contact Owner Contact N/A N/A N/A
N/A Phil Harrington Contact Owner Contact N/A N/A N/A
N/A Pat Scott Contact Owner Contact N/A N/A N/A
N/A Lonnie Karste Contact Owner Contact N/A N/A N/A
N/A John Samuelson Contact Owner Contact N/A N/A N/A
N/A Ahmed Abu Aly Contact Owner Contact N/A N/A N/A
Total Related Parties: 13
  
  
  
  
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?
S488628 Phase I MS4 5S 2 07M1000184 Active MNSTW1 R2-2022-0018 09/23/2010 None Discharger 09/23/2010 None None
S570186 Construction 5S 5S07C403296 Active CONSTW 2009-0009-DWQ 03/11/2024 None Discharger 02/07/2024 None None
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.
S897775 09/01/2025 SW - Late Report Failure to submit the 2024-2025 Annual Report by 09/01/2025 Violation N Report Contra Loma Estates Park Renovation S570186 2009-0009-DWQ Y
S894943 09/02/2025 SW - Failure to Obtain Permit Failure to obtain coverage under the 2022 CGP by 09/01/2025. Violation N Internal Report Brackish Water Desalination S532445 2009-0009-DWQ Y
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: 2
*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
S354312 Notice of Non-Compliance for Non-Filers None 5S07I006264 INDSTW 10/01/2008 Historical
S400426 1st Annual Report Notice of Non-Compliance None 5S07I006264 INDSTW 07/23/2009 Historical
S420277 1st Annual Report Notice of Non-Compliance None 5S07I006264 INDSTW 09/16/2015 Historical
S422470 2nd Annual Report Notice of Non-Compliance None 5S07I006264 INDSTW 01/28/2016 Historical
S409924 1st Annual Report Notice of Non-Compliance None 5S07I006264 INDSTW 08/31/2012 Historical
S413162 1st Annual Report Notice of Non-Compliance None 5S07I006264 INDSTW 08/16/2013 Historical
S402681 1st Annual Report Notice of Non-Compliance None 5S07I006264 INDSTW 08/19/2010 Historical
S402682 2nd Annual Report Notice of Non-Compliance None 5S07I006264 INDSTW 09/30/2010 Historical
S336977 Notice of Non-Compliance for Non-Filers None 5S07I006264 INDSTW 08/22/2007 Historical
S252673 Notice of Non-Compliance for Non-Filers UNKNOWN 5S07I006264 INDSTW 08/19/2004 Historical
S254479 Notice of Non-Compliance for Non-Filers UNKNOWN 5S07I006264 INDSTW 08/19/2004 Historical
S400837 2nd Annual Report Notice of Non-Compliance None 5S07I006264 INDSTW 09/03/2009 Historical
S420878 Notice of Non-Compliance for Non-Filers None 5S07I006264 INDSTW 10/30/2015 Historical
S422079 Notice of Non-Compliance for Non-Filers None 5S07I006264 INDSTW 12/11/2015 Historical
S416713 1st Annual Report Notice of Non-Compliance None 5S07I006264 INDSTW 08/15/2014 Historical
S412496 2nd Annual Report Notice of Non-Compliance None 5S07I006264 INDSTW 10/23/2012 Historical
S406907 1st Annual Report Notice of Non-Compliance None 5S07I006264 INDSTW 08/24/2011 Historical
S406908 2nd Annual Report Notice of Non-Compliance None 5S07I006264 INDSTW 11/01/2011 Historical
S325027 Notice of Violation None 5S07I006264 INDSTW 03/30/2007 Active
S352587 Notice of Non-Compliance for Non-Filers None 5S07I006264 INDSTW 08/01/2008 Historical
S309581 Notice of Non-Compliance for Non-Filers None 5S07I006264 INDSTW 08/11/2005 Historical
S316109 Notice of Non-Compliance for Non-Filers None 5S07I006264 INDSTW 08/17/2006 Historical
S462624 Notice of Violation None 5S07C403296 CONSTW 09/05/2025 Active
S459792 Notice of Violation None 5S07C393156 CONSTW 09/05/2025 Active
S416794 Verbal Communication None 5S07C370614 CONSTW 11/02/2014 Active
S417260 1st Annual Report Notice of Non-Compliance None 5S07C368385 CONSTW 10/03/2014 Historical
S412332 2nd Annual Report Notice of Non-Compliance None 5S07C359429 CONSTW 05/07/2013 Historical
S414788 2nd Annual Report Notice of Non-Compliance None 5S07C359429 CONSTW 01/31/2014 Historical
S413860 1st Annual Report Notice of Non-Compliance None 5S07C359429 CONSTW 10/16/2013 Historical
S410687 1st Annual Report Notice of Non-Compliance None 5S07C359429 CONSTW 10/23/2012 Historical
S403459 Verbal Communication None 5S07C359429 CONSTW 12/20/2010 Historical
S408020 Verbal Communication None 5S07C356381 CONSTW 12/27/2011 Historical
S408899 Verbal Communication None 5S07C356381 CONSTW 06/07/2012 Historical
S410667 1st Annual Report Notice of Non-Compliance None 5S07C356381 CONSTW 10/23/2012 Historical
S412331 2nd Annual Report Notice of Non-Compliance None 5S07C356381 CONSTW 05/07/2013 Historical
S413796 1st Annual Report Notice of Non-Compliance None 5S07C356381 CONSTW 10/16/2013 Historical
S431886 1st Annual Report Notice of Non-Compliance None 2 07M1000184 UNKNOWN 12/04/2018 Active
S431885 1st Annual Report Notice of Non-Compliance None 2 07M1000184 UNKNOWN 12/04/2018 Active
S431887 1st Annual Report Notice of Non-Compliance None 2 07M1000184 UNKNOWN 12/04/2018 Active
Total Enforcement Actions: 39
  
  
  
  
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: 12/23/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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