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

  
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Place ID 241611 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
6B 241611 Mountain Pass P-1 Closure Metal Mining 67750 Bailey Rd Mountain Pass, CA, San Bernardino
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
487446 Organization MP Mine Operations LLC Owner Privately-Owned Business 07/12/2017
605017 Person John F. Espinoza Contact 07/12/2017
563163 Person Shelby Barker Case Worker 07/01/2017
139322 Person Christy Hunter Case Worker 10/09/2007 06/30/2017
399199 Organization Chevron Mining Inc R6 Owner Privately-Owned Business 09/10/2007 07/11/2017
29096 Organization Molycorp Inc Owner Privately-Owned Business 08/10/2000 09/09/2007
Total Related Parties: 6
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
148001 WDR 6V LNDISPOTH 00-074 6B360008001 09/14/2000 09/14/2015 Active N
Total Reg Measures: 1
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 0 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
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
425637 Oral Communication 10/11/2018 Historical
423513 Oral Communication 08/14/2018 Historical
Total Enf Actions: 2
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
59935643 B Type compliance inspection Andrew Robinson 01/31/2025 N 0 N/A
54456421 B Type compliance inspection Andrew Robinson 11/16/2023 N 0 N/A
51311567 B Type compliance inspection Christina Guerra 04/17/2023 N 0 Download
45231920 B Type compliance inspection Shelby Barker 08/31/2021 N 0 Download
40772599 B Type compliance inspection Shelby Barker 06/30/2020 N 0 N/A
34651323 B Type compliance inspection Shelby Barker 11/28/2018 N 0 N/A
31919592 B Type compliance inspection Shelby Barker 02/21/2018 N 0 Download
26702225 B Type compliance inspection Christy Hunter 12/07/2016 N 0 N/A
21305378 B Type compliance inspection Christy Hunter 07/28/2015 N 0 Download
18206099 B Type compliance inspection Christy Hunter 10/28/2014 N 0 Download
13518071 B Type compliance inspection Christy Hunter 08/15/2013 N 0 Download
11367248 B Type compliance inspection Christy Hunter 02/07/2013 N 0 Download
5791326 B Type compliance inspection Christy Hunter 09/27/2011 N 0 Download
3331246 B Type compliance inspection Christy Hunter 12/16/2010 N 0 N/A
1965749 B Type compliance inspection Christy Hunter 12/14/2009 N 0 N/A
1503950 B Type compliance inspection Christy Hunter 10/16/2008 N 0 Download
1273505 B Type compliance inspection Christy Hunter 10/04/2007 N 0 N/A
793900 B Type compliance inspection Christy Hunter 09/26/2006 N 0 N/A
336699 A Type compliance inspection Christy Hunter 10/18/2004 Y 0 N/A
334808 B Type compliance inspection Christy Hunter 02/18/2004 Y 0 N/A
330338 B Type compliance inspection Curt Shifrer 05/29/2003 Y 0 N/A
323714 B Type compliance inspection Curt Shifrer 10/03/2001 Y 0 N/A
Total Inspections: 22 Last Inspection: 01/31/2025
  
The current report was generated with data as of: 11/11/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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