Welcome to California
California Home
Welcome to California - images of Golden Gate Bridge, ocean sunset, waterfall, flowers, and city skyline California Home Welcome to the California Environmental Protection Agency
California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
   [VIEW PRINTER FRIENDLY VERSION] [EXPORT THIS REPORT TO EXCEL]

  
  
  
  
  
General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
212996 Town Of Hillsborough City Agency 1600 Floribunda Avenue Hillsborough, CA 94010 650-375-7588(+) None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
817762 Walnut Avenue Storm Drain Repair Project (Project) San Mateo 2 Dredge/Fill Site Owner 08/31/2015 None
832374 Town of Hillsborough WS San Mateo 2 Utility Structure Owner and Operator 01/31/2017 None
630900 Town Of Hillsborough CS San Mateo 2 Collection_System Owner 04/03/2006 None
904820 Tartan Trail Road Bridge Emergency Repair Project San Mateo 2 Dredge/Fill Site Owner 01/15/2026 None
847989 Sewer - Water Main - Cherry Crk Pump Sta Rehab And Replacement Project San Mateo 2 Dredge/Fill Site Owner 06/12/2018 None
866934 Sandra Hayne Storm Drain Replecement and Creek Daylighting Project San Mateo 2 Dredge/Fill Site Owner 05/22/2020 None
901964 Parkside Avenue Bridge Replacement San Mateo 2 Dredge/Fill Site Owner 07/02/2025 None
903804 Macadamia Access Road Repairs Phase 2 (West) Project San Mateo 2 Dredge/Fill Site Owner 12/03/2025 None
831055 Hillsborough Storm Drain System Rehabilitaion San Mateo 2 Dredge/Fill Site Owner 12/22/2016 None
852528 El Cerrito Avenue Creek Bank Stabilization Project San Mateo 2 Dredge/Fill Site Owner 11/07/2018 None
804556 Crystal Springs-El Cerrito Phase II Truck Sewer Improvement Project San Mateo 2 Dredge/Fill Site Owner 03/12/2014 None
Total Related Places: 11
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
651607 Natalie Gribben Person Legally Responsible Official 07/02/2025 None None
648380 Alberto Gutierrez Person Data Submitter 12/10/2024 None None
627241 Ed Cooney Person Data Submitter 09/01/2021 None None
600646 Mark Harris Person Legally Responsible Official 11/12/2020 05/08/2025 None
593229 Rick-Gabriel Pina Person Legally Responsible Official 02/03/2020 None None
587073 Natalie Asai Person Legally Responsible Official 11/07/2018 None None
585292 Daniel Gonzales Person Legally Responsible Official 05/22/2020 None None
579019 Brian Chan Person Legally Responsible Official 06/12/2018 None None
563152 Joel Tautuaa Person Data Submitter 03/30/2017 None None
563150 Jose Chavez Person Data Submitter 04/06/2017 None None
552669 John Mullins Person Legally Responsible Official 08/20/2015 07/05/2018 None
544114 Paul Capovilla Person Data Submitter 11/07/2013 None None
544102 David Ballestrasse Person Legally Responsible Official 11/12/2013 10/20/2016 None
544101 Paul Willis Person Legally Responsible Official 11/12/2013 None None
543557 Thomas Barry Person Legally Responsible Official 10/10/2013 07/05/2018 None
520713 Robert Galindo Person Legally Responsible Official 09/12/2016 08/28/2018 None
372537 Tony Geraldi Person Legally Responsible Official 04/05/2007 10/10/2016 None
300068 Martha Debry Person Legally Responsible Official 04/06/2006 04/18/2017 None
89077 Dave Bishop Person Legally Responsible Official 04/03/2006 04/18/2017 None
Total Related Parties: 19
  
  
  
  
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?
463542 Enrollee - WDR 2 2 CW463542 Active CERFILLEXC 2004-0004-DWQ 04/30/2026 None Discharger 12/03/2025 None N
461626 401 Certification 2 2 CW461626 Active CERFILLEXC None 12/31/2025 None Discharger 07/02/2025 None N
438213 401 Certification 2 2 CW438213 Active CERFILLEXC None 10/15/2021 None Discharger 05/22/2020 None N
426241 401 Certification 2 2 CW426241 Historical CERFILLEXC None 04/27/2020 12/16/2025 Discharger 11/07/2018 None N
421931 401 Certification 2 2 CW421931 Active CERFILLEXC None 03/26/2019 None Discharger 06/12/2018 None N
411653 Enrollee - NPDES 2 4DW0476 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2016 None Discharger 07/01/2016 None N
411120 401 Certification 2 2 CW411120 Active CERFILLEXC None 01/19/2018 None Discharger 12/22/2016 None N
402673 401 Certification 2 2 CW402673 Historical CERFILLEXC None 06/28/2016 06/28/2021 Discharger 08/31/2015 None N
395323 Enrollee - 401 Certification 2 2 CW395323 Historical CERFILLEXC 2004-0004-DWQ 08/21/2014 08/21/2024 Discharger 03/12/2014 None N
299939 Enrollee 2 2SSO10142 Active SSOMUNILRG 2022-0103-DWQ 11/02/2006 None Discharger 04/10/2006 None N
Total Regulatory Measures: 10
  
  
  
  
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.
1153013 02/10/2026 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Surcharged Pipe (Combined Collection System Only) caused Violation None SSO Town Of Hillsborough CS 299939 2022-0103-DWQ N
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: 1
*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
429335 Notice of Violation None NOV 03/11/2019 for Town Of Hillsborough SSOMUNILRG 03/11/2019 Active
425230 Staff Enforcement Letter None SEL 09/14/2018 for Town Of Hillsborough SSOMUNILRG 09/14/2018 Historical
362438 Admin Civil Liability R2-2009-0014 ACL R2-2009-0014 for Town Of Hillsborough SSOMUNILRG 03/11/2009 Historical
362423 Cease and Desist Order R2-2009-0020 Cease and Desist Order (CDO) R2-2009-0020 NPDMUNILRG 03/11/2009 Active
Total Enforcement Actions: 4
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
Total Regulatory Measures linked to Related Parties: 0
  
  
The current report was generated with data as of: 05/12/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
Back to Main Page  |  Back to Top of Page

Conditions of Use | Privacy Policy
Copyright © 2024 State of California

The Board is one of six boards, departments, and offices under
the umbrella of the California Environmental Protection Agency.
Cal/EPA | ARB | DPR | DTSC | OEHHA | SWRCB