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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
299788 Lisa Carnahan 255 Glacier Drive Martinez, CA 94553-4825 925-313-2191 lcarn@pw.cccounty.us
  
  
  
  
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 None None None
Total Related Places: 1
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
309460 Contra Costa County SD No 6 Organization Legally Responsible Official 07/17/2007 None County Agency
309460 Contra Costa County SD No 6 Organization Employee 04/04/2006 None County Agency
9306 Contra Costa County SD No 5 Organization Legally Responsible Official 07/25/2007 None County Agency
9306 Contra Costa County SD No 5 Organization Legally Responsible Official 04/03/2006 06/26/2007 County Agency
Total Related Parties: 4
  
  
  
  
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?
142590 WDR 2 2 071184001 Active WDRMUNIOTH 91-096 06/19/1991 None Discharger Contact 01/01/2005 07/01/2015 N
Total Regulatory Measures: 1
  
  
  
  
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
Total Enforcement Actions: 0
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
142168 Contra Costa County SD No 5 NPDES Permit NPDMUNIOTH 06/21/1995 Historical
141632 Contra Costa County SD No 5 NPDES Permit NPDMUNIOTH 09/20/1989 Historical
299869 Contra Costa County SD No 5 Enrollee SSOMUNISML 08/29/2006 Historical
145991 Contra Costa County SD No 5 NPDES Permit NPDMUNIOTH 08/15/1984 Historical
131615 Contra Costa County SD No 5 NPDES Permit NPDMUNIOTH 02/01/2003 Historical
460538 Contra Costa County SD No 6 Enrollee - WDR SSOMUNISML 03/24/2025 Active
299865 Contra Costa County SD No 6 Enrollee SSOMUNISML 11/08/2006 Historical
142590 Contra Costa County SD No 6 WDR WDRMUNIOTH 06/19/1991 Active
460538 Contra Costa County SD No 6 Enrollee - WDR SSOMUNISML 03/24/2025 Active
142590 Contra Costa County SD No 6 WDR WDRMUNIOTH 06/19/1991 Active
299865 Contra Costa County SD No 6 Enrollee SSOMUNISML 11/08/2006 Historical
Total Regulatory Measures linked to Related Parties: 11
  
  
The current report was generated with data as of: 11/28/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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