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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
168540 Antioch City City Agency Po Box 5007 Antioch, CA 94531-5007 925-779-9035(+) None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
859703 City of Antioch Brackish Water Desalination Project Contra Costa 5S Dredge/Fill Site Owner 07/11/2019 None
883186 West Antioch Creek Silt Removal Project Contra Costa 5S Dredge/Fill Site Owner 09/12/2022 None
857472 Antioch Brackish Water Desalination Project - Geotechnical Borings Contra Costa 5S Dredge/Fill Site Owner 04/04/2019 None
769468 Antioch Marina Boat Launching Facility Contra Costa 5S Dredge/Fill Site Owner 08/04/2011 None
714636 Antioch City DPW - Aquatic Pesticides Contra Costa 5S Waterway/Shoreline Site Owner 09/16/2008 None
205913 Antioch Contra Costa MS4 Contra Costa 5S MS4 Owner 06/16/2000 None
631493 City Of Antioch CS Contra Costa 5S Collection_System Owner 04/05/2006 None
261531 Somersville Road Over Crossing Contra Costa 5S Dredge/Fill Site None None 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
559253 Tyler Bartholomew Person Data Submitter 09/12/2016 None None
370379 Tom Sains Person Legally Responsible Official 03/22/2007 None None
559246 Toby Beach Person Legally Responsible Official 05/23/2024 None None
559246 Toby Beach Person Data Submitter 09/12/2016 None None
533320 Tim Coley Person Legally Responsible Official 04/23/2012 04/05/2017 None
440571 Tanya Erck Person Data Submitter 10/10/2007 None None
541698 Sonja Johnsen Person Data Submitter 07/09/2013 None None
596494 Scott Buenting Person Legally Responsible Official 04/04/2019 None None
501353 Ron Bernal Person Legally Responsible Official 02/01/2016 04/05/2017 None
395503 Roger Clarke Person Legally Responsible Official 08/23/2007 09/30/2011 None
123248 Phillip Harrington Person Facility Contact 04/23/1992 None None
123248 Phillip Harrington Person Legally Responsible Official 04/05/2006 None None
144019 Phil Hoffmeister Person Facility Contact 06/16/2000 None None
144019 Phil Hoffmeister Person Enforcement Contact 04/01/2004 None None
369301 Phil Barlow Person Data Submitter 03/15/2007 04/23/2012 None
368799 Pat Scott Person Legally Responsible Official 03/12/2007 03/09/2009 None
533321 Mike Bechtholdt Person Legally Responsible Official 04/23/2012 11/10/2020 None
395717 Michelle Walker Person Data Submitter 08/24/2007 None None
569410 Kurt DeJanvier Person Data Submitter 11/07/2017 None None
369848 Karen Rios Person Data Submitter 03/20/2007 08/02/2012 None
580820 Jon Blank Person Legally Responsible Official 07/18/2018 10/22/2019 None
630147 Gonzalo Ramos Person Legally Responsible Official 01/10/2022 None None
621933 Gage Dunwell Person Data Submitter 02/18/2021 11/29/2022 None
526142 Cleveland Porter Person Legally Responsible Official 03/04/2011 04/05/2017 None
621934 Christine Raposo Person Data Submitter 02/18/2021 None None
528802 Brandon Chalk Person Legally Responsible Official 11/03/2011 02/26/2016 None
554042 Alexander Ortega Person Data Submitter 12/22/2015 01/04/2023 None
528313 Ahmed Abu-Aly Person Legally Responsible Official 08/04/2011 None None
Total Related Parties: 28
  
  
  
  
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?
411369 Letter 5S None Historical MNSTW1 None 01/06/2017 01/06/2017 Discharger 01/12/2017 None N
301611 Enrollee - WDR 5S 5SSO10890 Active SSOMUNILRG 2022-0103-DWQ 03/12/2007 None Discharger 04/20/2006 None N
340987 Enrollee - NPDES 5S 5B07NP00017 Active NPDNONMUNIPRCS 2013-0002-DWQ 05/05/2014 None Discharger 05/05/2014 None N
449163 401 Certification 5S 5B07CR00249 Active CERFILLEXC None 11/18/2022 None Discharger 09/12/2022 None Y
432962 401 Certification 5S 5B07CR00214 Active CERFILLEXC None 03/27/2020 None Discharger 07/11/2019 None N
429795 Enrollee - 401 Certification 5S 5B07CR00212 Historical CERFILLEXC SB17001GN 05/03/2019 09/17/2019 Discharger 04/04/2019 None N
380696 401 Certification 5S 5B07CR00090 Historical CERFILLEXC None 11/04/2009 11/04/2014 Discharger 08/04/2011 None N
178181 401 Certification 5S 5B07CR00056 Historical CERFILLEXC None 07/21/2005 11/01/2016 Discharger 07/21/2011 None Y
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
249490 Staff Enforcement Letter None Enforcement - 5B070101N01 LNDISP 05/16/2003 Historical
243877 Staff Enforcement Letter None Enforcement - 5B070101N01 LNDISP 03/18/2003 Historical
252417 13267 Letter None 13267 4/1/2004 for City of Antioch Contra Costa MS4 MNSTW1 04/01/2004 Historical
248712 Staff Enforcement Letter None Enforcement - 5B070101N01 LNDISP 02/01/2002 Historical
248657 13267 Letter None 13267 Letter 6/17/2002 for Antioch City, Antioch Landfill LNDISP 06/17/2002 Historical
248684 Staff Enforcement Letter None Enforcement - 5B070101N01 LNDISP 04/02/2002 Historical
306719 Admin Civil Liability R5-2006-0512 ACLC R5-2006-0512 for Antioch City, Antioch Lf LNDISP 07/19/2006 Historical
316729 Clean-up and Abatement Order R5-2002-0736-R1 Revised CAO R5-2002-0736-R1 for Antioch City, Antioch Landfill LNDISP 06/20/2006 Historical
243885 Clean-up and Abatement Order R5-2002-0736 CAO R5-2002-0736 01/02/2003 for Antioch Landfill LNDISP 01/02/2003 Historical
Total Enforcement Actions: 9
  
  
  
  
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: 10/24/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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