General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 50890 De Boer, Willem Privately-Individual 14799 Avenue 168 Tulare, CA 93274 559-804-5513 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 256320 Serafin Feedlot Tulare 5F Animal Feeding Operator 09/30/2019 08/18/2020 218468 Avalon Dairy Farms Kern 5F Animal Feeding Operator 10/30/2008 02/28/2018 219287 4 Corners Dairy Tulare 5F Animal Feeding Operator 06/29/2007 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 135007 Willem De Boer Person Facility Contact 11/07/1991 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 435235 Enrollee - WDR 5F null Enrollee - WDR under Confined Bovine Feeding Operations for De Boer, Willem - DELETED AS A DUPLICATE ENROLLEE REGULATORY MEASURE Historical ANIWSTOTH R5-2017-0058 10/30/2019 04/01/2020 Discharger 10/31/2019 null 335672 Enrollee - WDR 5F 5D545045001 Enrollee under Dairy GO for THE WILLEM AND ANNEKE DE BOER REVOCABLE FAMILY TRUST Active ANIWSTCOWS R5-2013-0122 06/29/2007 null Discharger 06/29/2007 null 342560 Enrollee - WDR 5F 5D155093001 Enrollee Under R5-2013-0122 for Avalon Dairy Farms, LLC, Avalon Dairy Farms Active ANIWSTCOWS R5-2013-0122 06/29/2007 null Discharger 10/30/2008 02/28/2018 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. 1134569 08/13/2024 Deficient Reporting Plant tissue sample results for Field 2-103 corn were not included in the 2020 Annual Report, which is a violation of the MRP, Table 2, Nutrient Monitoring. According to the consultant for the Dairy, the plant tissue sample results are not available. Violation null Inspection 4 Corners Dairy 335672 R5-2013-0122 Y Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 245014 Notice of Violation UNKNOWN Enforcement - 5D545045001 ANIWSTCOWS 01/14/2003 Historical 373544 Notice of Violation null NOV 4 August 2010 for Candido Costa and Willem De Boer - BAR DR DAIRY ANIWSTCOWS 08/04/2010 Historical 365709 Notice of Violation null NOV De Boer Dairy - Tulare 10/21/2008 ANIWSTCOWS 10/21/2008 Historical 401023 Notice of Violation null NOV 5 May 2015 for AVALON DAIRY FARMS, LLC, Bar DR Dairy ANIWSTCOWS 05/05/2015 Historical 458812 Oral Communication null Oral Communication 10/16/2024 for The Willem and Anneke De Boer Revocable Family Trust ANIWSTCOWS 10/16/2024 Historical 376480 Staff Enforcement Letter null SEL 06/29/2010 for DE BOER, WILLEM & FRED for De Boer Dairy ANIWSTCOWS 06/29/2010 Superceded 252602 Staff Enforcement Letter UNKNOWN Enforcement - 5D545045001 ANIWSTCOWS 03/15/2004 Historical 249481 Staff Enforcement Letter UNKNOWN Enforcement - 5D545045001 ANIWSTCOWS 10/29/2003 Historical 372660 Staff Enforcement Letter null SEL for DeBoer Dairy of 12/23/2009 ANIWSTCOWS 12/23/2009 Historical 376725 Staff Enforcement Letter null SEL 01/20/2011 for DEBOER, WILLEM & FRED for De Boer Dairy ANIWSTCOWS 01/20/2011 Historical 243388 Staff Enforcement Letter UNKNOWN Enforcement - 5D545045001 ANIWSTCOWS 04/16/2003 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status