General Information
Party ID	Party Name	Party Classification	Mailing Address	Work Phone	Email/Website
553816	Pat O'Brien	null	 	415-473-7057	crRichardson@marincounty.org	

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
541505	Marin Cnty Open Space District	Organization	Legally Responsible Official	11/30/2015	null	County Agency	

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
455316	Marin Cnty Open Space District	401 Certification	CERREST	03/01/2024	Active	
451295	Marin Cnty Open Space District	401 Certification	CERFILLEXC	10/24/2023	Active	
449023	Marin Cnty Open Space District	Enrollee - 401 Certification	CERFILLEXC	03/20/2023	Active	
447286	Marin Cnty Open Space District	Enrollee - 401 Certification	CERFILLEXC	09/19/2022	Historical	
413426	Marin Cnty Open Space District	401 Certification	CERFILLEXC	09/29/2017	Active	
411151	Marin Cnty Open Space District	Enrollee - WDR	CERFILLEXC	05/19/2017	Historical	
403807	Marin Cnty Open Space District	Enrollee - 401 Certification	CERREST	06/06/2016	Historical