General Information
Party ID	Party Name	Party Classification	Mailing Address	Work Phone	Email/Website
581241	Joseph Walters	null	5640 South Fairfax Avenue Los Angeles, CA 90056	323-298-2209	jwalters@sentinelpeakresources.com	

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
562173	Sentinel Peak Resources California LLC	Organization	Data Submitter	07/19/2018	11/29/2018	Privately-Owned Business	
562173	Sentinel Peak Resources California LLC	Organization	Legally Responsible Official	11/30/2018	null	Privately-Owned Business	
544526	Sentinel Peak Resources California LLC (Former Freeport-McMoRan Oil & Gas)	Organization	Legally Responsible Official	11/01/2021	null	Privately-Owned Business	

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
456108	Sentinel Peak Resources California LLC (Former Freeport-McMoRan Oil & Gas)	Letter	WDRMINING	01/10/2024	Historical	
452636	Sentinel Peak Resources California LLC (Former Freeport-McMoRan Oil & Gas)	Letter	WDRMINING	05/16/2023	Active	
444437	Sentinel Peak Resources California LLC (Former Freeport-McMoRan Oil & Gas)	NPDES Permit	NPDINDSML	07/01/2021	Active	
416564	Sentinel Peak Resources California LLC	NPDES Permit	NPDINDLRG	04/01/2018	Active	
400989	Sentinel Peak Resources California LLC (Former Freeport-McMoRan Oil & Gas)	13267 Letter (Non-Enforcement)	DISCHLND	04/01/2015	Historical	
394381	Sentinel Peak Resources California LLC (Former Freeport-McMoRan Oil & Gas)	Enrollee - WDR	WDRMINING	12/24/2013	Active	
394305	Sentinel Peak Resources California LLC (Former Freeport-McMoRan Oil & Gas)	Enrollee - WDR	WDRMINING	12/16/2013	Active	
394303	Sentinel Peak Resources California LLC (Former Freeport-McMoRan Oil & Gas)	Enrollee - WDR	WDRMINING	12/16/2013	Active	
392883	Sentinel Peak Resources California LLC (Former Freeport-McMoRan Oil & Gas)	NPDES Permit	NPDINDSML	02/01/2014	Historical	
389308	Sentinel Peak Resources California LLC	WDR	LNDISPOTH	02/07/2013	Active	
383620	Sentinel Peak Resources California LLC	NPDES Permit	NPDNONMUNIPRCS	03/09/2013	Historical	
311205	Sentinel Peak Resources California LLC (Former Freeport-McMoRan Oil & Gas)	Enrollee	LNDISPOTH	09/07/2006	Active	
148289	Sentinel Peak Resources California LLC	WDR	LNDISPOTH	04/26/2001	Historical	
143609	Sentinel Peak Resources California LLC (Former Freeport-McMoRan Oil & Gas)	WDR	WDRMINING	04/24/1958	Active