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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
40969 O'Brien - Sill Properties Privately-Owned Business 1508 18th Street 320 Bakersfield, CA 93301 661-323-1142 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
252010 NORSD Sills Reclamation Project Kern 5F Recycled Water Use Area Owner 01/24/1992 None
240698 Midway-Sunset Oil Field, O'Brien-Sill Lease Kern 5F Oil/Gas Extraction Owner 01/15/1959 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
Total Related Parties: 0
  
  
  
  
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?
410463 Letter 5F 5D153246001 Active WDRMINING None 11/22/2016 None Discharger 11/22/2016 None N
401242 13267 Letter (Non-Enforcement) 5F None Historical WDRMINING None 04/01/2015 06/15/2015 Discharger 05/28/2015 None N
145427 Reclamation Requirements 5F 5D151191001 Historical None 92-019 01/24/1992 08/12/2009 Discharger 01/24/1992 None N
142693 WDR 5F 5D153246001 Active WDRMINING 59-028 01/15/1959 None Discharger 01/15/1959 None N
Total Regulatory Measures: 4
  
  
  
  
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
456064 Notice of Violation None NOV 02/29/2024 for O'Brien - Sill Properties WDRMINING 02/29/2024 Active
404217 Clean-up and Abatement Order R5-2016-0703 CAO R5-2016-0703 for O'Brien - Sill Properties WDRMINING 01/05/2016 Active
255026 Staff Enforcement Letter None SEL 03/22/2000 for Sills Properties, NORSD Sills Reclamation Project WDR 03/22/2000 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: 05/23/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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