General Information
Party ID	Party Name	Party Classification	Mailing Address	Work Phone	Email/Website
653858	Martin Marietta Southern California Cement, LLC (f/k/a Lehigh Cement West, LLC)	Privately-Owned Business	4211 Ponderosa Avenue Suite 200 San Diego, CA 92123	null	null	

Related Places
Place ID	Place Name	County	Region	Place Type	Relationship to Party	Relationship Start Date	Relationship End Date
883386	Lehigh Southwest Cement Company (f/k/a Calaveras Cement Company)	San Diego	5S	Dredge/Fill Site	None	null	null	
212569	Lehigh Southwest Cement Company (f/k/a Calaveras Cement Company)	Calaveras	5S	Metal Mining	Owner	08/10/2023	null	

Related Parties
Party ID	Party Name	Party Type	Role/Relationship	Relationship Start Date	Relationship End Date	Classification
635402	John Gillan	Person	Legally Responsible Official	01/28/2026	null	null	
636684	Lehigh Cement West, LLC	Organization	Contracted With	08/10/2023	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
413856	WDR	5S	5B052008001	WDR R5-2017-0077-02 for Martin Marietta Southern California Cement, LLC - Lehigh Southwest Cement Company (f/k/a Calaveras Cement Company) - f/Calav Cemt Plant	Active	LFNONOPER	R5-2017-0077-02	06/09/2017	null	Discharger	08/10/2023	null	

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