General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 147815 Hanson Aggregates Mid Pacific Privately-Owned Business 3000 Executive Parkway 240 San Ramon, CA 94583 925-244-6584 tina.lau@heidelbergcement.com Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 891962 Hanson Derelict Vessel Removal Contra Costa 2 Dredge/Fill Site Owner 01/10/2024 null 882496 Derelict Barge Removal Contra Costa 2 Dredge/Fill Site Owner 07/28/2022 null 863210 Lehigh Southwest Stockton Terminal Project San Joaquin 5S Dredge/Fill Site Owner 11/27/2019 null 833691 San Francisco Pier 94 Facility San Francisco 2 Sand and Gravel Mining None null null 646825 Hanson Aggregates SF Pier 92 Sand Yard San Francisco 2 Sand and Gravel Mining None null null 242331 Marine Aggregate Services, Inc San Francisco 2 Sand and Gravel Mining Owner 10/03/1995 null 239517 Marina Vista Facility Contra Costa 2 Sand and Gravel Mining Owner 06/25/1997 null 203213 4501 Tidewater Ave, Oakland Alameda 2 Sand and Gravel Mining None null null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 563172 Tina Lau Person Employee 03/30/2017 null null 563172 Tina Lau Person Legally Responsible Official 11/27/2019 null null 563171 Mike Bishop Person Legally Responsible Official 03/30/2017 null null 562591 Erika Guerra Person Legally Responsible Official 07/28/2022 null null 463716 Lee Cover Person Owner Contact 03/28/2008 null null 348798 William Butler Person Employee 10/27/2006 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 412426 Enrollee - NPDES 2 2 386022002 Enrollee - NPDES for Hanson Aggregates Mid Pacific Historical NPDINDSML R2-2020-0028 03/22/2017 11/11/2023 Discharger 03/30/2017 null 402859 Enrollee - NPDES 2 2 386028002 Enrollee - NPDES under for Hanson Aggregates Mid Pacific Active NPDNONMUNIPRCS R2-2020-0028 09/15/2015 null Discharger 09/15/2015 null 402858 Enrollee - NPDES 2 2 019216002 Enrollee - NPDES under for Hanson Aggregates Mid Pacific Active NPDNONMUNIPRCS R2-2020-0028 09/15/2015 null Discharger 09/15/2015 null 350123 Enrollee 2 2 071123001 Enrollee-CAG982001 Marina Vista Sand Yard (2 071123001) Historical NPDNONMUNIPRCS R2-2008-0011 07/01/2008 09/22/2014 Discharger 02/18/2009 null 308658 Enrollee 2 2 386028001 Enrollee-CAG982001, Sand Washing- Hanson Aggregates Mid-Pacific, S.F Historical NPDNONMUNIPRCS R2-2008-0011 06/19/2002 09/14/2015 Discharger 03/28/2008 null 259535 Letter 2 null 2 071123001-LT970718 Historical NPDMINING LT970718 null null Discharger 07/18/1997 null 184906 Enrollee - WDR 2 2 SM2104003 Enrollee- General WDR for Sand Mining in SF Bay - Hanson Aggregate Mid-Pacific Historical CERDREDGE 95-177 10/03/1995 01/21/2015 Discharger 09/01/2005 null 179983 Enrollee 2 2 019216001 Enrollee-CAG982001, Sand Washing- Hanson Aggregates Mid-Pacific, Oakland Historical NPDNONMUNIPRCS R2-2008-0011 10/17/2006 09/14/2015 Discharger 03/28/2008 null 148693 NPDES Permit 2 2 071123001 NPDES 01-112 for HANSON AGGREGATES MID-PACIFIC Historical NPDMINING R2-2001-0112 10/16/2001 null Discharger 10/17/2001 null 147630 NPDES Permit 2 2 071123001 NPDES LT970718 for HANSON AGGREGATES MID-PACIFIC Historical NPDMINING LT970718 07/18/1997 10/15/2001 Discharger 07/18/1997 null 145932 NPDES Permit 2 2 071123001 NPDES 84-001 for HANSON AGGREGATES MID-PACIFIC Historical NPDMINING 84-001 01/18/1984 null Discharger 01/18/1984 null 141866 NPDES Permit 2 2 071123001 NPDES 90-145 for HANSON AGGREGATES MID-PACIFIC Historical NPDMINING 90-145 11/14/1990 null Discharger 11/14/1990 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. 1120009 07/18/2023 Late Report Annual stormwater report (2022-2023) due 7/17/23; received 9/5/23. Violation null Report 4501 Tidewater Ave, Oakland 402858 R2-2020-0028 Y Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 454313 Oral Communication null Oral Com 01/09/2023 for Hanson Aggregates Mid Pacific NPDNONMUNIPRCS 01/09/2023 Historical 454304 Oral Communication null Oral Com 09/05/2023 for Hanson Aggregates Mid Pacific NPDNONMUNIPRCS 09/05/2023 Historical 452939 Oral Communication null Oral Com 05/31/2023 for Hanson Aggregates Mid Pacific NPDNONMUNIPRCS 05/31/2023 Historical 448306 Admin Civil Liability R2-2022-1015 ACL R2-2022-1015 for Hanson Aggregates Mid Pacific NPDNONMUNIPRCS 11/17/2022 Historical 439566 Admin Civil Liability R2-2020-1033 ACL R2-2020-1033 for Hanson Aggregates Mid Pacific NPDNONMUNIPRCS 11/11/2020 Historical 439565 Admin Civil Liability R2-2020-1032 ACL R2-2020-1032 for Hanson Aggregates Mid Pacific NPDNONMUNIPRCS 11/11/2020 Historical 433607 Admin Civil Liability R2-2020-1005 ACL R2-2020-1005 for Hanson Aggregates Mid Pacific NPDINDSML 01/15/2020 Historical 428904 Admin Civil Liability R2-2019-1011 ACL R2-2019-1011 for Hanson Aggregates Mid Pacific NPDINDSML 05/16/2019 Historical 428800 Admin Civil Liability R2-2019-1010 ACL R2-2019-1010 for Hanson Aggregates Mid Pacific NPDNONMUNIPRCS 05/16/2019 Historical 428799 Admin Civil Liability R2-2019-1012 ACL R2-2019-1012 for Hanson Aggregates Mid Pacific NPDNONMUNIPRCS 05/16/2019 Historical 425456 Oral Communication null Oral Com for Hanson Aggregates Mid Pacific NPDINDSML 09/27/2018 Historical 425302 Staff Enforcement Letter null SEL for Hanson Aggregates Mid Pacific NPDNONMUNIPRCS 09/27/2018 Historical 403241 Admin Civil Liability R2-2016-1006 ACL R2-2016-1006 for Hanson Aggregates Mid Pacific NPDNONMUNIPRCS 04/19/2016 Historical 394960 Admin Civil Liability R2-2014-1014 ACL 05/29/2014 for Hanson Aggregates Mid Pacific NPDNONMUNIPRCS 05/29/2014 Historical 392713 Admin Civil Liability R2-2013-1030 ACL R2-2013-1030 for Hanson Aggregates Mid Pacific NPDNONMUNIPRCS 10/22/2013 Historical 374260 Admin Civil Liability R2-2011-0092 2010 EPL for SF Pier 92 Sand Washing Yard NPDNONMUNIPRCS 08/31/2006 Historical 373648 Admin Civil Liability null EPL(MMP) Spring 2010: Sand Washing- Hanson Aggregates Mid-Pacific, Oakland NPDESWW 07/01/2008 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 412426 Tina Lau Enrollee - NPDES NPDINDSML 03/22/2017 Historical 412426 Tina Lau Enrollee - NPDES NPDINDSML 03/22/2017 Historical