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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
S628122 Sierra Silica Resources Privately-Owned Business 650 Georgia Pacific Way Oroville, CA 95965 N/A N/A
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
S829609 Sierra Silica Resources Butte 5R Facility Discharger 05/28/2014 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
N/A Jorge Caamano Contact Owner Contact N/A N/A N/A
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?
S446704 Industrial 5R 5R04I024884 Active INDSTW 2014-0057-DWQ 05/28/2014 None Discharger 05/28/2014 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.
S892895 07/15/2025 SW - Late Report Failure to submit the 2024-2025 Annual Report by 07/15/2025 Violation N Report Sierra Silica Resources S446704 2014-0057-DWQ Y
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: 1
*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
S463514 Notice of Violation None 5R04I024884 INDSTW 09/10/2025 Active
S457424 Notice of Violation None 5R04I024884 INDSTW 08/08/2025 Active
S424118 2nd Annual Report Notice of Non-Compliance None 5R04I024884 INDSTW 09/16/2016 Active
S423695 1st Annual Report Notice of Non-Compliance None 5R04I024884 INDSTW 08/15/2016 Active
S422033 Notice of Non-Compliance for Non-Filers None 5R04I024884 INDSTW 12/11/2015 Active
S421188 Notice of Non-Compliance for Non-Filers None 5R04I024884 INDSTW 10/30/2015 Active
S420472 1st Annual Report Notice of Non-Compliance None 5R04I024884 INDSTW 10/02/2015 Active
Total Enforcement Actions: 7
  
  
  
  
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: 05/20/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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