General Information
Party ID	Party Name	Party Classification	Mailing Address	Work Phone	Email/Website
521270	De Groot, Douglas J	Privately-Individual	31847 Road 92 Visalia, CA 93291	559-799-1647	null	

Related Places
Place ID	Place Name	County	Region	Place Type	Relationship to Party	Relationship Start Date	Relationship End Date
704671	Jacobus Degroot Dairy #1	Tulare	5F	Animal Feeding	Owner and Operator	08/16/2019	null	
233375	former John Jacobi Dairy	Tulare	5F	Animal Feeding	Operator	04/02/2014	02/07/2018	

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
335574	Enrollee - WDR	5F	5C54NC00076	Enrollee under Dairy GO for de Groot, Douglas and Alice W. de Groot Grant, Jacobus de Groot Dairy #1	Active	ANIWSTCOWS	R5-2013-0122	06/29/2007	null	Discharger	06/27/2018	null	
333966	Enrollee - WDR	5F	5D545146N01	Enrollee under Dairy GO for JOHN R. JACOBI-former JACOUS DE GROOT #2 DAIRY	Historical	ANIWSTCOWS	R5-2013-0122	06/29/2007	03/18/2019	Discharger	03/15/2016	02/06/2018	

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.
1143480	02/04/2025	Order Conditions	Excessive vegetation was observed at Wastewater Retention Pond 2, which is a violation of Pond Specification C.2.b and is inconsistent with the Operations and Maintenance Plan prepared for the Dairy, as required by Attachment B, Waste Management Plan for the Production Area, Item V.B. 	Violation	null	Inspection	Jacobus Degroot Dairy #1	335574	R5-2013-0122	Y	

Enforcement Actions
Enforcement ID	Enforcement Type	Enf. Order No.	Title	Program	Effective Date	Status
461118	Notice of Violation	null	NOV 05/22/2025 for De Groot, Douglas J	ANIWSTCOWS	05/22/2025	Active	

Regulatory Measures linked to Related Parties
Reg. Measure ID	Organization	Regulatory Measure Type	Program	Effective Date	Status