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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
549517 Armando Lopez 5072 Benson Road Union City, CA 94587 510-477-7517 armandol@unionsanitary.ca.gov
  
  
  
  
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
47792 Union Sanitary District Organization Legally Responsible Official 01/27/2015 None Special District
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
450832 Union Sanitary District Co-Permitee NPDMUNILRG 09/01/2022 Active
440855 Union Sanitary District NPDES Permit NPDMUNIOTH 12/01/2020 Active
430645 Union Sanitary District Co-Permitee NPDMUNILRG 07/01/2019 Active
421360 Union Sanitary District 401 Certification CERFILLEXC 07/20/2020 Active
415019 Union Sanitary District Co-Permitee NPDMUNILRG 07/01/2017 Historical
403703 Union Sanitary District NPDES Permit NPDMUNIOTH 01/01/2016 Historical
389160 Union Sanitary District Co-Permitee NPDMUNILRG 01/01/2013 Active
388123 Union Sanitary District NPDES Permit NPDMUNILRG 03/01/2012 Historical
383587 Union Sanitary District Co-Permitee NPDMUNILRG 03/01/2012 Historical
382900 Union Sanitary District NPDES Permit NPDMUNILRG 03/01/2012 Historical
378848 Union Sanitary District Co-Permitee NPDMUNILRG 04/01/2011 Historical
375173 Union Sanitary District NPDES Permit NPDMUNIOTH 09/01/2010 Historical
360505 Union Sanitary District Co-Permitee NPDMUNILRG 03/01/2008 Historical
307733 Union Sanitary District NPDES Permit NPDMUNILRG 10/01/2006 Historical
307632 Union Sanitary District NPDES Permit NPDMUNILRG 10/01/2006 Historical
299871 Union Sanitary District Enrollee SSOMUNILRG 07/20/2006 Active
148295 Union Sanitary District NPDES Permit NPDMUNILRG 08/16/2000 Historical
145977 Union Sanitary District NPDES Permit NPDMUNILRG 06/20/1984 Historical
143314 Union Sanitary District NPDES Permit NPDMUNILRG 06/15/1994 Historical
142135 Union Sanitary District NPDES Permit NPDMUNIOTH 03/15/1995 Historical
141594 Union Sanitary District NPDES Permit NPDMUNILRG 06/21/1989 Historical
132717 Union Sanitary District NPDES Permit NPDMUNIOTH 01/21/2004 Historical
Total Regulatory Measures linked to Related Parties: 22
  
  
The current report was generated with data as of: 10/24/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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