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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
S615676 Rowland and Catherine Twisselman Privately-Individual 7390 Cattle Drive Santa Margarita, CA 93453 510-260-8346 eric.potts@sunpowercorp.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
S814733 Twisselman Mine San Luis Obispo 3 Facility Discharger 01/25/2012 None
S811979 Castaic Lake Water Agency Solar Array Project Los Angeles 4 Facility Discharger 08/23/2011 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
N/A Rowland Twisselman Contact Owner Contact N/A N/A N/A
N/A Frederic Potts Contact Owner Contact N/A N/A N/A
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?
S423652 Industrial 3 3 40I023482 Active INDSTW 2014-0057-DWQ 01/25/2012 None Discharger 01/25/2012 None None
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
S426852 1st Annual Report Notice of Non-Compliance None 3 40I023482 INDSTW 08/23/2017 Historical
S427188 2nd Annual Report Notice of Non-Compliance None 3 40I023482 INDSTW 09/21/2017 Historical
S430235 1st Annual Report Notice of Non-Compliance None 3 40I023482 INDSTW 08/17/2018 Historical
S435032 2nd Annual Report Notice of Non-Compliance None 3 40I023482 INDSTW 11/01/2019 Historical
S437968 2nd Annual Report Notice of Non-Compliance None 3 40I023482 INDSTW 09/25/2020 Historical
S430552 2nd Annual Report Notice of Non-Compliance None 3 40I023482 INDSTW 09/14/2018 Historical
S413098 1st Annual Report Notice of Non-Compliance None 3 40I023482 INDSTW 08/09/2013 Historical
S424140 1st Annual Report Notice of Non-Compliance None 3 40I023482 INDSTW 08/12/2016 Historical
S420165 1st Annual Report Notice of Non-Compliance None 3 40I023482 INDSTW 09/16/2015 Historical
S434193 1st Annual Report Notice of Non-Compliance None 3 40I023482 INDSTW 09/27/2019 Historical
S437267 1st Annual Report Notice of Non-Compliance None 3 40I023482 INDSTW 08/17/2020 Historical
Total Enforcement Actions: 11
  
  
  
  
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: 04/24/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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