General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 526074 Mitch Avalon null 225 Glacier Drive Martinez, CA 94553 null null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 11594 Contra Costa FC&WCD Organization Legally Responsible Official 07/24/2012 null County Agency 9305 Contra Costa County Flood Control Organization Employee 11/03/2009 null County Agency 9305 Contra Costa County Flood Control Organization Legally Responsible Official 12/28/2012 null County Agency 9304 Contra Costa Clean Water Program Organization Legally Responsible Official 07/09/2012 null Government Agency Combination 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 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 449676 Contra Costa FC&WCD Enrollee - 401 Certification CERFILLEXC 07/24/2023 Active 438664 Contra Costa FC&WCD 401 Certification CERFILLEXC 09/11/2020 Historical 433295 Contra Costa County Flood Control 401 Certification CERFILLEXC 10/08/2020 Active 433295 Contra Costa County Flood Control 401 Certification CERFILLEXC 10/08/2020 Active 416713 Contra Costa County Flood Control Enrollee - 401 Certification CERFILLEXC 10/30/2017 Historical 416713 Contra Costa County Flood Control Enrollee - 401 Certification CERFILLEXC 10/30/2017 Historical 416152 Contra Costa County Flood Control 401 Certification CERREST 03/16/2018 Historical 416152 Contra Costa County Flood Control 401 Certification CERREST 03/16/2018 Historical 411372 Contra Costa FC&WCD Letter MNSTW1 01/06/2017 Historical 411371 Contra Costa FC&WCD Letter MNSTW1 01/06/2017 Historical 396778 Contra Costa FC&WCD Enrollee NPDNONMUNIPRCS 03/07/2014 Historical 395115 Contra Costa FC&WCD 401 Certification CERFILLEXC 05/23/2014 Historical 391042 Contra Costa County Flood Control 401 Certification CERDREDGE 07/21/2010 Historical 391042 Contra Costa County Flood Control 401 Certification CERDREDGE 07/21/2010 Historical 388635 Contra Costa County Flood Control 401 Certification CERFILLEXC 12/12/2012 Historical 388635 Contra Costa County Flood Control 401 Certification CERFILLEXC 12/12/2012 Historical 386516 Contra Costa FC&WCD 401 Certification CERFILLEXC 09/21/2010 Historical 386018 Contra Costa Clean Water Program 401 Certification CERFILLEXC 10/21/2010 Historical 384209 Contra Costa FC&WCD 401 Certification CERFILLEXC 06/21/2010 Historical 382731 Contra Costa FC&WCD 401 Certification CERFILLEXC 12/31/2009 Historical 377775 Contra Costa County Flood Control 401 Certification CERFILLEXC 11/03/2009 Historical 377775 Contra Costa County Flood Control 401 Certification CERFILLEXC 11/03/2009 Historical 346587 Contra Costa FC&WCD Enrollee NPDNONMUNIPRCS 06/19/2004 Historical 194729 Contra Costa FC&WCD Enrollee - NPDES NPDNONMUNIPRCS 03/07/2014 Active 181305 Contra Costa Clean Water Program NPDES Permit MNSTW1 07/21/1999 Historical 171921 Contra Costa County Flood Control 401 Certification CERFILLEXC null Historical 171921 Contra Costa County Flood Control 401 Certification CERFILLEXC null Historical 170935 Contra Costa County Flood Control 401 Certification CERFILLEXC null Historical 170935 Contra Costa County Flood Control 401 Certification CERFILLEXC null Historical 142752 Contra Costa Clean Water Program NPDES Permit MNSTW1 09/15/1993 Historical 141215 Contra Costa FC&WCD NPDES Permit MNSTW1 01/28/1994 Historical