General Information
Party ID	Party Name	Party Classification	Mailing Address	Work Phone	Email/Website
650394	Martin Marietta Marine Operations	Privately-Owned Business	7999 Athenour Way Sunoly, CA 94586	925-365-0004	null	

Related Places
Place ID	Place Name	County	Region	Place Type	Relationship to Party	Relationship Start Date	Relationship End Date
809095	Martin Marietta Sand Mining Operations LLC: Central Bay	San Francisco	2	Dredge/Fill Site	Owner and Operator	04/14/2025	null	
901784	Tidewater Pile Replacement	Alameda	2	Dredge/Fill Site	Owner	06/17/2025	null	

Related Parties
Party ID	Party Name	Party Type	Role/Relationship	Relationship Start Date	Relationship End Date	Classification
562591	Erika Guerra	Person	Legally Responsible Official	04/14/2025	null	null	
562591	Erika Guerra	Person	Legally Responsible Official	07/22/2025	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
461879	401 Certification	2	2 CW460730	401 Cert  for Martin Marietta Marine Operations	Active	CERDREDGE	null	08/21/2025	null	Discharger	07/22/2025	null	
461414	401 Certification	2	2 CW461414	401 Cert  for Martin Marietta Marine Operations	Active	CERFILLEXC	null	08/20/2025	null	Discharger	06/17/2025	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