General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 554376 San Mateo City PWD City Agency 650-522-7300 bunderwood@cityofsanmateo.org Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 821291 San Mateo Sanitary Sewer Rehabilitation And Maintenance Project San Mateo 2 Dredge/Fill Site Owner 01/25/2016 null 821849 Coyote Point Levee Improvement And Pump Station Replacement Project San Mateo 2 Dredge/Fill Site Owner 02/08/2016 null 821863 Poplar Avenue Pump Station Replacement Project San Mateo 2 Dredge/Fill Site Owner 02/09/2016 null 825733 Marina Lagoon General Maintenance Permit San Mateo 2 Dredge/Fill Site Owner 06/28/2016 null 889145 City of San Mateo WWTP Outfall Cleaning and Slide Gate Rep San Mateo 2 Dredge/Fill Site Owner 06/28/2023 null 894752 57 Otay Avenue Slide Repair at 57, 61 and 65 Otay Avenue San Mateo 2 Dredge/Fill Site Owner 05/08/2024 null 896602 Gateway Park Pedestrian Bridge Replacement Project San Mateo 2 Dredge/Fill Site Owner 09/23/2024 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 554375 Ralph Braboy Person Legally Responsible Official 01/25/2016 null null 73292 Larry Patterson Person Legally Responsible Official 06/28/2016 null null 638774 Stephanie Pinon Person Legally Responsible Official 05/08/2024 null null 536261 Robert Learmonth Person Legally Responsible Official 06/28/2023 null null 549930 Brad Underwood Person Legally Responsible Official 02/08/2016 03/10/2021 null Regulatory Measures(non-enforcement) Reg. Measure ID Regulatory Measure Type Region WDID Title Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date 407138 401 Certification 2 2 CW407138 401 Cert for San Mateo City PWD Historical CERFILLEXC null 03/09/2017 01/31/2022 Discharger 06/28/2016 null 456842 401 Certification 2 2 CW456842 401 Cert for San Mateo City PWD Active CERFILLEXC null 10/03/2024 null Discharger 05/08/2024 null 453224 Enrollee - 401 Certification 2 2 CW453224 Enrollee - 401 Certification for San Mateo City PWD Active CERFILLEXC 2020-0039- EXEC 05/21/2024 null Discharger 06/28/2023 null 404574 401 Certification 2 2 CW404574 401 Cert for San Mateo City PWD Active CERFILLEXC null 06/26/2018 null Discharger 02/08/2016 null 458507 Enrollee - WDR 2 2 CW458507 Enrollee - WDR for San Mateo City PWD Active CERFILLEXC 2004-0004-DWQ 10/30/2024 null Discharger 09/23/2024 null Violations within the past calendar 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. Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status