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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
41626 Golden State Water Company - Los Osos Privately-Owned Business 1140 Los Olivos Avenue Los Osos, CA 93402 805-528-6157(+) None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
244363 Nipomo Water Supply System San Luis Obispo 3 Utility Structure Owner 03/12/2002 10/30/2015
246172 Orcutt Water Supply System Santa Barbara 3 Utility Structure Owner 03/10/2001 None
764236 Golden State Water Company, Ojai-Mutual Plant Ventura 4 Utility Structure Owner and Operator 03/09/2011 None
764244 Simi Valley Niles Plant Ventura 4 Utility Structure Owner and Operator 03/25/2011 None
236232 Lake Marie Water Supply System Santa Barbara 3 Utility Structure Owner 02/18/2005 None
818942 Los Osos Water Supply System San Luis Obispo 3 Utility Structure Owner 03/13/2000 None
257292 Sisquoc Water Supply System Santa Barbara 3 Utility Structure Owner 02/18/2005 None
246614 San Antonio Filter Plant Ventura 4 Water Treatment Plant Owner 10/06/2009 None
222301 Edna Water Supply System San Luis Obispo 3 Utility Structure Owner 02/23/2001 None
262901 Tanglewood Water Supply System Santa Barbara 3 Utility Structure Owner 10/03/2000 None
257833 South Bay Well #1 San Luis Obispo 3 Facility Owner 01/23/2001 None
Total Related Places: 11
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
520196 Patrick Vowell Person Legally Responsible Official 10/06/2009 09/20/2015 None
Total Related Parties: 1
  
  
  
  
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?
193048 Enrollee 4 4A566300096 Historical NPDNONMUNIPRCS R4-2009-0047 11/04/1998 02/10/2014 Discharger 10/06/2009 None N
377937 Enrollee 4 4A567600118 Historical NPDNONMUNIPRCS R4-2003-0108 03/29/2011 11/13/2013 Discharger 03/09/2011 None N
377940 Enrollee - NPDES 4 4A567600117 Historical NPDNONMUNIPRCS R4-2003-0108 03/23/2011 12/18/2015 Discharger 03/23/2011 None N
185801 Enrollee 3 3 420205291 Historical NPDNONMUNIPRCS R3-2011-0223 12/01/2006 12/04/2015 Discharger 09/01/2005 None N
185802 Enrollee 3 3 420205292 Historical NPDNONMUNIPRCS R3-2011-0223 12/01/2006 12/04/2015 Discharger 09/01/2005 None N
185313 Enrollee 3 3 400003001 Historical NPDNONMUNIPRCS R3-2011-0223 12/01/2006 09/17/2015 Discharger 09/01/2005 None N
185793 Enrollee 3 3 420103002 Historical NPDNONMUNIPRCS R3-2011-0223 12/01/2006 09/17/2015 Discharger 09/01/2005 None N
185348 Enrollee 3 3 400203010 Historical NPDNONMUNIPRCS R3-2011-0223 12/01/2006 09/17/2015 Discharger 09/01/2005 None N
185335 Enrollee 3 3 400104004 Historical NPDNONMUNIPRCS R3-2011-0223 05/18/2001 12/04/2015 Discharger 09/01/2005 None N
185792 Enrollee 3 3 420010001 Historical NPDNONMUNIPRCS R3-2011-0223 12/01/2006 12/04/2015 Discharger 09/01/2005 None N
403404 Enrollee - NPDES None 4DW0130 Historical NPDNONMUNIPRCS 2014-0194-DWQ 09/18/2015 12/27/2024 Discharger 09/18/2015 None N
185333 Enrollee 3 3 400101002 Historical NPDNONMUNIPRCS 01-119 05/18/2001 03/13/2003 Discharger 09/01/2005 None N
Total Regulatory Measures: 12
  
  
  
  
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
353360 Notice of Violation None NOV for Orcutt System NPDNONMUNIPRCS 08/18/2008 Historical
353363 Notice of Violation None NOV for Tanglewood System NPDNONMUNIPRCS 08/18/2008 Historical
353358 Notice of Violation None NOV for Lake Marie System NPDNONMUNIPRCS 08/18/2008 Historical
353359 Notice of Violation None NOV for Nipomo System NPDNONMUNIPRCS 08/18/2008 Historical
353361 Notice of Violation None NOV for Sisquoc System NPDNONMUNIPRCS 08/18/2008 Historical
Total Enforcement Actions: 5
  
  
  
  
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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