General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 39802 San Mateo County DPW County Agency 555 County Center 5th Floor Redwood City, CA 94063 650-599-7311(+) null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 893649 Lobitos Creek Emergency Debris Removal San Mateo 2 Dredge/Fill Site Owner 02/27/2024 null 892021 January 2023 Emergency Storm Repairs San Mateo 2 Dredge/Fill Site Owner 01/16/2024 null 890880 Gazos Creek Road Emergency Road Repairs San Mateo 3 Dredge/Fill Site Owner 10/19/2023 null 889891 Canada Road Emergency Road Slip-Out and Culvert Repair San Mateo 2 Dredge/Fill Site Owner 08/16/2023 null 879194 Emergency Slip-Out on Tunitas Creek Road- Mile 2.2 San Mateo 2 Dredge/Fill Site Owner 02/01/2022 null 878497 Tunitas Emergency Slip-out San Mateo 2 Dredge/Fill Site Owner 01/04/2022 null 877867 Emergency slip-out repair on Alpine Road San Mateo 2 Dredge/Fill Site Owner 12/01/2021 null 877563 Emergency Slip-Out Repair on Higgins Canyon Road San Mateo 2 Dredge/Fill Site Owner 11/15/2021 null 872257 CZU Lightning Complex -- Gazos Creek Road Emergency Culvert Replacement San Mateo 3 Dredge/Fill Site Owner 02/16/2021 null 870969 San Carlos Airport Levee Emergency Repair Project San Mateo 2 Dredge/Fill Site Owner 12/15/2020 null 867486 Mirada Road Ped Brdg Replmnt and Bank Stabilization Project San Mateo 2 Dredge/Fill Site Owner 06/17/2020 null 864801 Emergency Culvert Clearing Polhemus Creek San Mateo 2 Dredge/Fill Site Owner 02/12/2020 null 858369 County of San Mateo Routine Maintenance Program Manual San Mateo 3 Dredge/Fill Site Owner 05/17/2019 null 858037 County of San Mateo Routine Maintenance Program Manual San Mateo 2 Dredge/Fill Site Owner 05/01/2019 null 857561 Pescadero Creek Road San Mateo 2 Dredge/Fill Site Owner 04/10/2019 null 855109 Emergency Debris Removal at Cloverdale Road San Mateo 2 Dredge/Fill Site Owner 01/08/2019 null 855100 Columbia and Vassar Beach Access Improvement Project San Mateo 2 Dredge/Fill Site Owner 01/08/2019 null 854318 2018 Cloverdale Rd Bridge Emergency Debris Removal San Mateo 2 Dredge/Fill Site Owner 12/13/2018 null 851142 Alpine Road at Pescadero Creek Road Culvert Replacement and Bank Stabilization San Mateo 2 Dredge/Fill Site Owner 09/20/2018 null 839714 2017 Storm Season Emergency Repair Project San Mateo 2 Dredge/Fill Site Owner 09/07/2017 null 839710 2017 Storm Season Emergency Repair Project- Entrada Way And Alipne Road Trail San Mateo 2 Dredge/Fill Site Owner 09/07/2017 null 834671 Sunshine Valley Road Culvert And Road Repair Project San Mateo 2 Dredge/Fill Site Owner 04/24/2017 null 833617 Emergency Road Repair #2 At Entrada Way San Mateo 2 Dredge/Fill Site Owner 03/10/2017 null 832877 Maintenance Dredging Coyote Point Marina San Mateo 2 Dredge/Fill Site Owner 02/17/2017 null 832676 Emergency Gazos Creek Road Slip-Out Repair San Mateo 3 Dredge/Fill Site Owner 02/10/2017 null 832403 Alpine Road Embankment Repair Project San Mateo 2 Dredge/Fill Site Owner 02/01/2017 null 828810 Belmont Creek Maintenance Dredging (2016) San Mateo 2 Dredge/Fill Site None null null 827623 Alpine Road Drainage And Road Restoration Project San Mateo 2 Dredge/Fill Site Owner 08/30/2016 null 827302 Ramona Road Drainage Improvement Project San Mateo 2 Dredge/Fill Site Owner 08/16/2016 null 823553 Mirada Road Emergency Slope Protection Project San Mateo 2 Dredge/Fill Site Owner 04/01/2016 null 823225 Alpine Road Trail Improvements Project San Mateo 2 Dredge/Fill Site Owner 03/23/2016 null 770958 Pescardero Creek Road Culvert maintenance San Mateo 2 Facility Owner 06/17/2013 null 768900 Gazos Creek Watershed Improvements San Mateo 3 Dredge/Fill Site Owner 07/25/2011 null 767900 Pigeon Point Road Maintenance Project San Mateo 3 Dredge/Fill Site Operator 06/28/2011 null 752095 Scenic Heights CSD San Mateo 2 Collection_System Owner 06/15/2010 null 752094 Oak Knoll SMD (San Mateo County) San Mateo 2 Collection_System Owner 06/15/2010 null 752093 Fair Oaks SMD San Mateo 2 Collection_System Owner 06/15/2010 null 752092 Emerald Lake Heights SMD San Mateo 2 Collection_System Owner 06/15/2010 null 752089 Devonshire CSD San Mateo 2 Collection_System Owner 06/15/2010 null 752088 Crystal Springs CSD CS San Mateo 2 Collection_System Owner 06/15/2010 null 752082 Burlingame Hills SMD San Mateo 2 Collection_System Owner 06/15/2010 null 752081 County of San Mateo Sewer Maintenance SD CS San Mateo 2 Collection_System Owner 06/15/2010 null 751768 Montara Culvert Replacement Project San Mateo 2 Dredge/Fill Site Owner 03/26/2012 null 751762 Recreation Drive Culvert Replacement Project San Mateo 2 Dredge/Fill Site None null null 751757 San Gregorio Stage Road Slip-Out Repair Project San Mateo 2 Dredge/Fill Site Owner 03/26/2012 null 735021 Tower Road Complex CS San Mateo 2 Collection_System Owner 03/16/2009 null 630821 San Mateo County CS San Luis Obispo 2 Collection_System Owner 04/03/2006 null 255417 San Mateo Co Honor Camp WWTP San Mateo 2 Wastewater Treatment Facility Owner 09/21/1983 null 248074 Pescadero Solid Waste Disposal Site San Mateo 2 Land fill Owner 07/12/1996 null 229507 Half Moon Bay Landfill San Mateo 2 Land fill Owner 08/15/1978 null 227352 Glenwood Boys Ranch WWTP San Mateo 2 Wastewater Treatment Facility Owner 06/17/1980 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 641056 Alan Velasquez Person Legally Responsible Official 08/16/2023 null null 629094 Khoa Vo Person Legally Responsible Official 11/15/2021 null null 620714 Aaron Francis Person Employee 12/15/2020 null null 596142 Amanda Tse Person Data Submitter 03/27/2019 04/18/2023 null 568435 Krzysztof Lisaj Person Legally Responsible Official 02/16/2021 null null 558733 Joseph Lococo Person Legally Responsible Official 08/16/2016 null null 556516 Leon Bruk Person Data Submitter 05/18/2016 null null 555526 Julie Casagrande Person Legally Responsible Official 04/01/2016 null null 555405 James Porter Person Legally Responsible Official 03/23/2016 null null 553608 Anna Mui Person Employee 11/05/2015 null null 541177 Sam Herzberg Person Legally Responsible Official 02/17/2017 null null 540379 Edelzar Garcia Person Legally Responsible Official 06/13/2013 null null 538700 Kristen Lau Person Data Submitter 02/13/2013 02/08/2021 null 520372 America Sanchez Person Data Submitter 11/02/2009 null null 519917 Mark Chow Person Legally Responsible Official 11/02/2009 null null 462533 Gary Behrens Person Legally Responsible Official 03/19/2008 null null 450656 Julie Young Person Data Submitter 12/14/2007 null null 374226 Norman Merrill Person Data Submitter 05/08/2007 05/26/2016 null 374226 Norman Merrill Person Data Submitter 04/17/2007 05/26/2016 null 61168 Don Williams Person Board member 07/12/1996 null null 56479 Ann Stillman Person Legally Responsible Official 04/03/2006 null 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 454780 Enrollee - 401 Certification 3 34123WQ02 Enrollee - 401 Certification for San Mateo County DPW Historical CERFILLEXC 2023-0058-DWQ 11/13/2023 11/20/2023 Discharger 10/19/2023 null 442227 Enrollee - 401 Certification 3 34121WQ01 DRAFT Enrollee - 401 Certification for San Mateo County DPW Historical CERFILLEXC 2019-0044-EXEC 10/01/2020 04/13/2021 Discharger 02/16/2021 null 438735 401 Certification 2 2 CW438735 401 Cert for San Mateo County DPW Active CERFILLEXC null 03/25/2021 null Discharger 06/17/2020 null 430585 401 Certification 3 34119WQ01 401 Cert for San Mateo County DPW Active CERFILLEXC null 11/17/2020 null Discharger 05/17/2019 null 430262 401 Certification 2 2 CW430262 401 Cert R2-2021-0005 for San Mateo County DPW Active CERFILLEXC R2-2021-0005 07/12/2021 null Discharger 05/01/2019 null 428191 401 Certification 2 2 CW428191 401 Cert for San Mateo County DPW Historical CERFILLEXC null 01/08/2020 09/01/2021 Discharger 01/08/2019 null 411884 401 Certification 2 2 CW411884 401 Cert for San Mateo County DPW Historical CERDREDGE null 06/01/2017 01/22/2018 Discharger 02/17/2017 null 411776 401 Certification 3 34117WQ01 401 Cert for San Mateo County DPW Historical CERFILLEXC null 05/01/2018 06/09/2022 Discharger 02/10/2017 null 411674 401 Certification 2 2 CW411674 401 Cert for San Mateo County DPW Active CERFILLEXC null 03/26/2019 null Discharger 02/01/2017 null 409586 401 Certification 2 2 CW409586 401 Cert for Belmont City Active CERFILLEXC null 08/31/2017 null Discharger 09/21/2017 null 405314 401 Certification 2 2 CW405314 401 Cert for San Mateo County DPW Active CERFILLEXC null 09/30/2016 null Discharger 03/23/2016 null 391591 401 Certification 2 null WQC 10/25/2012 for San Mateo County Historical CERREST null 10/25/2012 10/25/2017 Discharger 06/25/2013 null 391439 401 Certification 2 null WQC 05/04/2011 for San Mateo County Historical CERFILLEXC null 05/04/2011 05/02/2016 Discharger 06/21/2013 null 391260 Enrollee - 401 Certification 2 null Enrollee under for San Mateo County Historical CERFILLEXC 2004-0004-DWQ 09/23/2011 09/21/2016 Discharger 06/17/2013 null 391134 401 Certification 2 null WQC 07/12/2012 for San Mateo County Historical CERFILLEXC null 07/12/2012 07/12/2017 Discharger 06/13/2013 null 390569 Enrollee - 401 Certification 2 null Enrollee under for San Mateo County Historical CERMINING 2004-0004-DWQ 06/07/2011 06/05/2016 Discharger 06/07/2013 null 383953 401 Certification 2 null WQC 05/18/2010 for San Mateo County Historical CERFILLEXC null 05/18/2010 05/18/2015 Discharger 03/26/2012 null 383952 401 Certification 2 null WQC 05/18/2010 for San Mateo County Historical CERFILLEXC null 05/18/2010 05/18/2015 Discharger 03/26/2012 null 383754 401 Certification 3 null 401 Cert 05/08/2012 for San Mateo County Historical CERFILLEXC null 05/08/2012 05/07/2017 Discharger 03/14/2012 null 380461 401 Certification 3 34409WQ12 401 Certification 08/17/2009 for San Mateo County Historical CERFILLEXC null 08/17/2009 08/17/2014 Discharger 07/25/2011 null 379956 401 Certification 3 null 34111WQ01 401 Cert Pigeon Point Road Maintenance Project Historical CERFILLEXC null 04/27/2011 04/25/2016 Discharger 02/22/2011 null 375780 401 Certification 2 null WQC 05/18/2010 for San Mateo Cnty, 58 Recreation Dr Historical CERFILLEXC null 05/18/2010 05/18/2015 Discharger 05/18/2010 null 374019 Enrollee 2 2SSO10230 Enrollee of SB SSO WDR for County of San Mateo Scenic Heights CSD Active SSOMUNISML 2022-0103-DWQ 03/23/2010 null Discharger 06/15/2010 null 374015 Enrollee 2 2SSO10229 Enrollee of SB SSO WDR for Cnty of San Mateo Oak Knoll SMD Active SSOMUNISML 2022-0103-DWQ 03/23/2010 null Discharger 06/15/2010 null 374014 Enrollee 2 2SSO10228 Enrollee of SB SSO WDR for Cnty of San Mateo Fair Oaks SMD Active SSOMUNILRG 2022-0103-DWQ 03/23/2010 null Discharger 06/15/2010 null 374013 Enrollee 2 2SSO10227 Enrollee of SB SSO WDR for Cnty of San Mateo Emerald Lake Heights CSD Active SSOMUNISML 2022-0103-DWQ 03/23/2010 null Discharger 06/15/2010 null 374012 Enrollee 2 2SSO10226 Enrollee of SB SSO WDR for Cnty of San Mateo Devonshire CSD Active SSOMUNISML 2022-0103-DWQ 03/23/2010 null Discharger 06/15/2010 null 374011 Enrollee 2 2SSO10225 Enrollee of SB SSO WDR for Cnty of San Mateo, Crystal Springs CSD Active SSOMUNISML 2022-0103-DWQ 03/23/2010 null Discharger 06/15/2010 null 374010 Enrollee 2 2SSO10224 Enrollee of SB SSO WDR for Cnty of San Mateo Burlingame Hills SMD Active SSOMUNISML 2022-0103-DWQ 04/30/2010 null Discharger 06/15/2010 null 374008 Enrollee 2 2SSO10223 Enrollee of SB SSO WDR for County of San Mateo Historical SSOMUNISML 2006-0003-DWQ 10/20/2006 06/04/2023 Discharger 06/15/2010 null 362546 Enrollee 2 2SSO11539 Enrollee of SB SSO WDR for County of San Mateo Active SSOMUNISML 2022-0103-DWQ 03/16/2009 null Discharger 03/16/2009 null 316748 WDR 2 2 417077001 WDR R2-2006-0083 for SAN MATEO, COUNTY OF, for Pescadero Landfill Active LFNONOPER R2-2006-0083 12/13/2006 null Discharger 11/20/1996 null 299870 Enrollee 2 2SSO10122 Enrollee of SB SSO WDR for County of San Mateo Historical SSOMUNILRG 2006-0003-DWQ 11/27/2006 06/04/2023 Discharger 04/10/2006 null 146245 WDR 2 2 417077001 WDR 73-042 for SAN MATEO, COUNTY OF- Pescadero Soild Waste Site (2 417077001) Historical LNDISP 73-042 04/15/1973 null Discharger 04/15/1973 null 145607 WDR 2 2 417059001 WDR 83-034 for SAN MATEO, COUNTY OF-SM County Honor Camp # 1 (2 417059001) Historical WDRMUNIOTH 83-034 09/21/1983 09/21/1988 Discharger 09/21/1983 null 145251 WDR 2 2 417042001 WDR 80-031 for SAN MATEO, COUNTY OF- Glenwood Boys Ranch (2 417042001) Historical WDRMUNIOTH 80-031 06/17/1980 09/21/1988 Discharger 06/17/1980 null 145186 WDR 2 2 417076001 WDR 78-065 for SAN MATEO, COUNTY OF- Half Moon Bay Landfill (2 417076001) Historical LNDISP 78-065 08/15/1978 04/16/1997 Discharger 08/15/1978 null 143125 WDR 2 2 417076001 WDR 97-048 for SAN MATEO, COUNTY OF- Half Moon Bay Landfill (2 417076001) Active LFNONOPER 97-048 04/16/1997 null Discharger 04/16/1997 null 143051 WDR 2 2 417077001 WDR 96-153 for SAN MATEO, COUNTY OF-Pescadero Solid Waste Site (2 417077001) Historical LNDISP 96-153 11/20/1996 12/13/2006 Discharger 11/20/1996 null 142197 WDR 2 2 417059001 WDR 88-141 for SAN MATEO, COUNTY OF- SM County Honor Camp #1 (2 417059001) Active WDRMUNIOTH 88-141 09/21/1988 null Discharger 09/21/1988 null 142175 WDR 2 2 417042001 WDR 88-140 for SAN MATEO, COUNTY OF-Glenwood Boys Ranch ( 2 417042001) Active WDRMUNIOTH 88-140 09/21/1988 null Discharger 09/21/1988 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 443718 Staff Enforcement Letter null SEL for San Mateo County DPW SSOMUNISML 07/01/2021 Active 412577 Notice of Violation null NOV 01/12/2017 for San Mateo County DPW SSOMUNISML 01/12/2017 Historical 409840 Notice of Violation null NOV 10/14/2016 for San Mateo County DPW SSOMUNISML 10/14/2016 Historical 401567 Oral Communication null Oral Com 04/01/2015 for San Mateo County WDRMUNIOTH 04/01/2015 Historical 362542 Admin Civil Liability R2-2009-0013 ACLO No. R2-2009-0013 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 246180 Notice of Violation UNKNOWN Enforcement - 2 417077001 LNDISP 11/01/2002 Historical 238840 Oral Communication UNKNOWN Enforcement - 2 41AGT414U AGT 11/05/2001 Historical 238839 Staff Enforcement Letter UNKNOWN Enforcement - 2 41AGT414U AGT 11/06/2001 Historical 224954 Oral Communication UNKNOWN Enforcement - 2 417077001 LNDISP 07/01/1999 Historical 224694 13267 Letter UNKNOWN Enforcement - 2 417077001 LNDISP 07/01/1999 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status