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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
622685 Steven Baker 702-540-2787 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
Total Related Places: 0
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
487446 MP Mine Operations LLC Organization Legally Responsible Official 03/11/2021 None Privately-Owned Business
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?
Total Regulatory Measures: 0
  
  
  
  
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
Total Enforcement Actions: 0
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
388260 MP Mine Operations LLC Enrollee - WDR WDRMUNIENROTH 11/07/2012 Active
377626 MP Mine Operations LLC WDR LNDISPOTH 10/14/2010 Active
132920 MP Mine Operations LLC WDR LNDISPOTH 10/14/2004 Active
148001 MP Mine Operations LLC WDR LNDISPOTH 09/14/2000 Active
454473 MP Mine Operations LLC Enrollee - WDR CERFILLEXC 03/18/2024 Active
306717 MP Mine Operations LLC WDR LFNONOPER 06/14/2006 Active
133369 MP Mine Operations LLC WDR LNDISPOTH 04/14/2005 Active
376674 MP Mine Operations LLC Enrollee - 401 Certification CERFILLEXC 12/02/2010 Historical
145895 MP Mine Operations LLC WDR LNDISP 06/13/1991 Historical
148025 MP Mine Operations LLC WDR WDRMUNIOWTS 04/11/2001 Historical
Total Regulatory Measures linked to Related Parties: 10
  
  
The current report was generated with data as of: 07/22/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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