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   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
568932 Mark Tomko 707-644-8949 mtomko@vallejowastewater.org
  
  
  
  
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
48881 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) Organization Legally Responsible Official 10/03/2017 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
383347 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) 401 Certification CERFILLEXC 03/24/1997 Historical
145604 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) NPDES Permit NPDMUNILRG 07/20/1983 Historical
416372 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) NPDES Permit NPDMUNILRG 11/01/2017 Historical
394986 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) 401 Certification CERFILLEXC 05/27/2014 Historical
383343 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) 401 Certification CERFILLEXC 06/20/1997 Historical
391447 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) 401 Certification CERFILLEXC 08/12/2011 Historical
430647 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) Co-Permitee NPDMUNILRG 07/01/2019 Active
184343 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) NPDES Permit MNSTW1 03/18/1998 Historical
307959 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) NPDES Permit NPDMUNILRG 10/01/2006 Historical
383342 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) 401 Certification CERFILLEXC 06/23/1997 Historical
360542 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) Co-Permitee NPDMUNILRG 03/01/2008 Historical
383345 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) 401 Certification CERFILLEXC 05/07/1997 Historical
383344 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) 401 Certification CERFILLEXC 06/12/1997 Historical
142199 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) NPDES Permit NPDMUNILRG 10/19/1988 Historical
378836 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) Co-Permitee NPDMUNILRG 04/01/2011 Historical
383341 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) 401 Certification CERFILLEXC 07/29/1997 Historical
147544 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) NPDES Permit NPDMUNILRG 04/19/2000 Historical
299879 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) Enrollee SSOMUNILRG 07/20/2006 Active
383096 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) NPDES Permit NPDMUNILRG 04/01/2012 Historical
383346 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) 401 Certification CERFILLEXC 03/24/1997 Historical
416583 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) 401 Certification CERFILLEXC 02/08/2019 Historical
451028 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) NPDES Permit NPDMUNILRG 04/01/2023 Active
448073 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) 401 Certification CERFILLEXC 07/06/2022 Active
389164 Vallejo Flood & Wastewater District (formerly Vallejo San & Flood Control District) Co-Permitee NPDMUNILRG 01/01/2013 Active
Total Regulatory Measures linked to Related Parties: 24
  
  
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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