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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
40968 Vishay Siliconix, Inc. Privately-Owned Business 2201 Laurelwood Road Santa Clara, CA 95054 408-567-8939 michael.osullivan@vishay.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
202013 Vishay Siliconix Santa Clara 2 Groundwater Cleanup Site Owner 02/20/1991 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
560056 Michael O'Sullivan Person Legally Responsible Official 10/19/2016 None 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?
397951 Enrollee - NPDES 2 2 438291003 Historical NPDNONMUNIPRCS R2-2017-0048 08/25/2014 11/29/2021 Discharger 09/05/2014 None N
372733 Enrollee 2 2 438291002 Historical NPDNONMUNIPRCS R2-2009-0059 12/07/1995 08/24/2014 Discharger 09/01/2005 None N
183061 Enrollee 2 2 438291002 Historical NPDNONMUNIPRCS None 09/08/2004 12/02/2009 Discharger 09/01/2005 None N
142409 NPDES Permit 2 2 438291002 Historical NPDNONMUNIPRCS 96-0227 02/21/1996 None Discharger 02/21/1996 None N
141876 NPDES Permit 2 2 438291002 Historical NPDNONMUNIPRCS 91-022 02/20/1991 None Discharger 02/20/1991 None N
Total Regulatory Measures: 5
  
  
  
  
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
373433 Admin Civil Liability None 2010 March Expediated MMP Offer Letter NPDESWW 03/11/2009 Historical
227431 Staff Enforcement Letter UNKNOWN Enforcement - 2 438291002 NPDESWW 09/27/1999 Historical
219838 Clean-up and Abatement Order 89-027 Enforcement - 2 438291N01 UNREGS 02/15/1989 Active
219826 Clean-up and Abatement Order 91-026 Enforcement - 2 438291N01 UNREGS 02/20/1991 Active
Total Enforcement Actions: 4
  
  
  
  
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: 05/02/2024
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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