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California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
309460 Contra Costa County SD No 6 County Agency 255 Glacier Drive Martinez, CA 94533-4825 925-313-2201(+) None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
258777 Stonehurst SD-6 WWTP Contra Costa 2 Wastewater Treatment Facility Interested Party 04/04/2006 07/30/2015
630813 Contra Costa County SD 6 CS Contra Costa 2 Collection_System Owner 07/26/2007 None
Total Related Places: 2
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
650393 Joe Enke Person Legally Responsible Official 04/17/2025 None None
548870 Nicholas Gaunt Person Data Submitter 10/21/2014 12/20/2021 None
537214 Susan Cohen Person Legally Responsible Official 12/21/2010 04/12/2017 None
390339 Warren Lai Person Data Submitter 07/26/2007 None None
390257 John Mercurio Person Data Submitter 07/25/2007 None None
299788 Lisa Carnahan Person Legally Responsible Official 07/17/2007 None None
299788 Lisa Carnahan Person Employee 04/04/2006 None None
Total Related Parties: 7
  
  
  
  
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?
299865 Enrollee 2 2SSO10120 Historical SSOMUNISML 2006-0003-DWQ 11/08/2006 11/16/2015 Discharger 06/26/2007 None N
460538 Enrollee - WDR 2 2SSO20069 Active SSOMUNISML 2022-0103-DWQ 03/24/2025 None Discharger 03/25/2025 None N
142590 WDR 2 2 071184001 Active WDRMUNIOTH 91-096 06/19/1991 None Discharger 05/19/1992 None N
Total Regulatory Measures: 3
  
  
  
  
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
362662 Oral Communication None Oral Communication WDR 03/21/2008 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: 02/12/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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