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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
575981 Leroy Sisneros 924 Clear Water Drive San Franscisco, CA 94128 650-821-5400 leroy.sisneros@flysfo.com
  
  
  
  
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
147397 San Francisco International Airport Organization Legally Responsible Official 04/23/2018 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 five years
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 currently showing last five years of violations. Click here to return to viewing one year 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
456809 San Francisco International Airport 401 Certification CERFILLEXC 07/11/2024 Active
452963 San Francisco International Airport 401 Certification CERFILLEXC 06/07/2024 Active
430634 San Francisco International Airport Co-Permitee NPDMUNILRG 07/01/2019 Active
407944 San Francisco International Airport Enrollee - WRR REC 03/20/1991 Active
459999 San Francisco International Airport NPDES Permit NPDMUNILRG 04/01/2025 Active
389152 San Francisco International Airport Co-Permitee NPDINDLRG 01/01/2013 Active
443404 San Francisco International Airport 401 Certification CERREST 12/06/2021 Active
444157 San Francisco International Airport Enrollee - 401 Certification CERFILLEXC 10/20/2021 Historical
447766 San Francisco International Airport 401 Certification CERFILLEXC 07/15/2022 Historical
450329 San Francisco International Airport Enrollee - 401 Certification CERFILLEXC 06/01/2023 Historical
451017 San Francisco International Airport Enrollee - 401 Certification CERFILLEXC 04/19/2023 Historical
425630 San Francisco International Airport NPDES Permit NPDMUNILRG 12/01/2018 Historical
409975 San Francisco International Airport 401 Certification CERFILLEXC 02/08/2017 Historical
409209 San Francisco International Airport 401 Certification CERFILLEXC 10/20/2016 Historical
390160 San Francisco International Airport NPDES Permit NPDMUNILRG 07/01/2013 Historical
378822 San Francisco International Airport Co-Permitee NPDINDLRG 04/01/2011 Historical
360532 San Francisco International Airport Co-Permitee NPDINDLRG 03/01/2008 Historical
337297 San Francisco International Airport NPDES Permit NPDINDLRG 10/01/2007 Historical
337341 San Francisco International Airport NPDES Permit NPDMUNILRG 10/01/2007 Historical
Total Regulatory Measures linked to Related Parties: 19
  
  
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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