General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 50473 West Contra Costa Sanitary Landfill Privately-Owned Business Po Box 4100 Richmond, CA 94804-0100 null null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 272077 West Contra Costa Sanitary Landfill Contra Costa 2 Land fill Owner 03/16/1976 null 271900 WCCCL Thermal Trtmnt Contra Costa 2 Land Treatment Unit Owner 08/23/1995 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 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 447510 WDR 2 2 071035002 WDR R2-2022-0011 for West Contra Costa Sanitary Landfill Active LFNONOPER R2-2022-0011 03/09/2022 null Discharger 04/21/2022 null 439908 Co-Permitee SB 2 071035002 13627 Order Co-Permitee under 2019-0006-DWQ for West Contra Costa Sanitary Landfill Active SLIC 2019-0006-DWQ 03/20/2019 null Discharger 08/24/2020 null 248111 WDR 2 2 071035002 WDR 02-0066 for WEST CONTRA COSTA SANITARY LANDFILL Historical LFNONOPER R2-2002-0066 06/19/2002 03/09/2022 Discharger 06/19/2002 null 146345 WDR 2 2 071035002 WDR 78-009 for WEST CONTRA COSTA SAN LANDFILL Historical LNDISP 78-009 02/21/1978 null Discharger 02/21/1978 null 146294 WDR 2 2 071035002 WDR 76-028 for WEST CONTRA COSTA SAN LANDFILL Historical LNDISP 76-028 03/16/1976 null Discharger 03/16/1976 null 145243 WDR 2 2 071035002 WDR 79-114 for WEST CONTRA COSTA SAN LANDFILL Historical LNDISP 79-114 09/18/1979 null Discharger 09/18/1979 null 142467 WDR 2 2 071035002 WDR 96-079 for WEST CONTRA COSTA SAN LANDFILL Historical LNDISP 96-079 06/19/1996 06/19/2002 Discharger 06/19/1996 null 142370 WDR 2 2 071035003 WDR 95-175 for WCC SAN LANDFILL, WCCCL Thermal Treatmentn Active LNDISPOTH 95-175 08/23/1995 null Discharger 08/23/1995 null 141576 WDR 2 2 071035002 WDR 88-109 for WEST CONTRA COSTA SAN LANDFILL Historical LNDISP 88-109 06/15/1988 09/15/1998 Discharger 06/15/1988 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 443274 Admin Civil Liability R2-2021-1010 ACL R2-2021-1010 for West Contra Costa Sanitary Landfill LFNONOPER 05/06/2021 Historical 248112 Waste Discharge Requirements R2-2002-0065 Enforcement - 2 071035003 LNDISP 06/19/2002 Active 220174 Clean-up and Abatement Order 88-137 Enforcement - CAO 88-137 for West Contra Costa San Landfill LNDISP 08/26/1988 Historical 219732 Clean-up and Abatement Order 91-084 Enforcement - CAO 91-084 for West Contra Cosat Sanitary Landfill LNDISP 05/21/1991 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status