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California Integrated Water Quality System Project (CIWQS)
   Facility At-A-Glance Report

  
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Place ID S814733 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
3 S814733 Twisselman Mine Facility 12710 Carissa Highway California Valley, CA, 93453 San Luis Obispo
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
S615676 Organization Rowland and Catherine Twisselman N/A Private Individual 01/25/2012
Total Related Parties: 1
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
S423652 Industrial 3 INDSTW 2014-0057-DWQ 3 40I023482 01/25/2012 Active
Total Reg Measures: 1
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
S873710 07/16/2020 LREP Failure to submit 2019-2020 annual report. Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 1 Priority Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
*As of 5/20/2010, the Water Board's Enforcement Policy requires that all violations be classified as 1, 2 or 3, with class 1 being the highest. Prior to this, violations were simply classified as Yes or No. If a 123 classification has been assigned to a violation that occurred before this date, that classification data will be displayed instead of the Yes/No data.
Violation Types
LREP = Late Report
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
S437968 2nd Annual Report Notice of Non-Compliance 09/25/2020 Historical
S437267 1st Annual Report Notice of Non-Compliance 08/17/2020 Historical
S435032 2nd Annual Report Notice of Non-Compliance 11/01/2019 Historical
S434193 1st Annual Report Notice of Non-Compliance 09/27/2019 Historical
S430552 2nd Annual Report Notice of Non-Compliance 09/14/2018 Historical
S430235 1st Annual Report Notice of Non-Compliance 08/17/2018 Historical
S427188 2nd Annual Report Notice of Non-Compliance 09/21/2017 Historical
S426852 1st Annual Report Notice of Non-Compliance 08/23/2017 Historical
S424140 1st Annual Report Notice of Non-Compliance 08/12/2016 Historical
S420165 1st Annual Report Notice of Non-Compliance 09/16/2015 Historical
S413098 1st Annual Report Notice of Non-Compliance 08/09/2013 Historical
Total Enf Actions: 11
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
Total Inspections: 0 Last Inspection: None
  
The current report was generated with data as of: 04/25/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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