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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
557942 Tony & Karen Cassin Privately-Owned Business 76 Alder Avenue San Anselmo, CA 94960 415-722-8636 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
879974 Emergency Top of Bank Wall 76 Alder Ave Marin 2 Dredge/Fill Site Owner 03/16/2022 None
227485 Golden Feather MHP WTP Butte 5R Mobile Home Park Owner 06/24/2016 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
631593 Karen Cassin Person Legally Responsible Official 03/16/2022 None None
631592 Tony Cassin Person Legally Responsible Official 03/16/2022 None None
Total Related Parties: 2
  
  
  
  
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?
418360 Enrollee - WDR 5R 5A041019001 Active WDRMUNIOTH 2014-0153-DWQ 02/01/2018 None Discharger 12/27/2017 None N
133969 WDR 5R 5A041019001 Historical WDRMUNIOTH 91-163 07/26/1991 01/31/2018 Discharger 06/24/2016 None Y
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.
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
438379 13267 Letter None 13267 Letter 06/03/2020 for Golden Feather MHP WDRMUNIOTH 06/03/2020 Historical
430544 Notice of Violation None NOV 05/09/2019 for Golden Feather MHP WDRMUNIOTH 05/09/2019 Historical
419784 Notice of Violation None NOV 02/28/2018 for Golden Feather MHP WDRMUNIOTH 02/28/2018 Historical
Total Enforcement Actions: 3
  
  
  
  
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: 10/31/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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