General Information
Party ID	Party Name	Party Classification	Mailing Address	Work Phone	Email/Website
636283	Shimmick Construction Co Inc	Privately-Owned Business	530 Technology Drive 300 Irvine, CA 92618	310-460-9527	tnaksone@shimmick.com	

Related Places
Place ID	Place Name	County	Region	Place Type	Relationship to Party	Relationship Start Date	Relationship End Date
884369	Union Pacific RR OH Pump Plant (07-327304)	Los Angeles	4	Service/Commercial Site, NEC	Operator	11/22/2022	null	
833846	Elsinore Valley Municipal Water District WS	Riverside	8	Utility Structure	Operator	10/10/2023	null	

Related Parties
Party ID	Party Name	Party Type	Role/Relationship	Relationship Start Date	Relationship End Date	Classification
642118	Adam Zagorski	Person	Legally Responsible Official	10/10/2023	null	null	
636284	Tanner Nakasone	Person	Employee	11/22/2022	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
454690	Enrollee - NPDES	8	8 332913001	Enrollee - NPDES under General DeMinimis Permit for Shimmick Construction Co Inc	Active	NPDNONMUNIPRCS	R8-2020-0006	02/14/2024	null	Discharger	10/10/2023	null	
450246	Enrollee - NPDES	4	4B198903146	Enrollee - NPDES under NPDES Gen Permit for GW Const & Proj Dewat for CALTRANS	Active	NPDNONMUNIPRCS	R4-2018-0125	01/20/2023	null	Discharger	11/06/2023	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
450246	Tanner Nakasone	Enrollee - NPDES	NPDNONMUNIPRCS	01/20/2023	Active