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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
607120 Nicholas Calerdon 650-599-1386 ncalderon@smcgov.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
524008 San Mateo Cnty Department of Parks Organization Legally Responsible Official 02/28/2020 None County Agency
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
446000 San Mateo Cnty Department of Parks WDR WDRMUNIOTH 11/23/2020 Active
141757 San Mateo Cnty Department of Parks WDR WDRMUNIOTH 06/18/1986 Historical
392242 San Mateo Cnty Department of Parks 401 Certification CERFILLEXC 03/24/2011 Historical
402090 San Mateo Cnty Department of Parks 401 Certification CERFILLEXC 02/29/2016 Historical
461171 San Mateo Cnty Department of Parks Enrollee - 401 Certification CERFILLEXC 07/16/2025 Active
431038 San Mateo Cnty Department of Parks Enrollee - 401 Certification CERFILLEXC 03/24/2020 Historical
433157 San Mateo Cnty Department of Parks Enrollee - 401 Certification CERFILLEXC 03/26/2020 Historical
436999 San Mateo Cnty Department of Parks 401 Certification CERFILLEXC 08/18/2020 Active
391530 San Mateo Cnty Department of Parks 401 Certification CERFILLEXC 05/11/2011 Historical
391355 San Mateo Cnty Department of Parks 401 Certification CERFILLEXC 02/28/2012 Historical
415813 San Mateo Cnty Department of Parks 401 Certification CERFILLEXC 09/14/2018 Historical
446907 San Mateo Cnty Department of Parks 401 Certification CERDREDGE 05/04/2022 Historical
Total Regulatory Measures linked to Related Parties: 12
  
  
The current report was generated with data as of: 11/28/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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