California Integrated Water Quality System (CIWQS 100.0) - Build Number: mainTrunk.mm.dd.yyyy.1


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	California Integrated Water Quality System Project (CIWQS)

Facility At-A-Glance Report

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Place ID 753519

General Information
Region	Place ID	Place Name	Place Type	Place Address	Place County
2	753519	Pilarcitos Quarry, West Coast Aggregates, Inc.	Sand and Gravel Mining	11700 Highway 92 Half Moon Bay, CA, 94019	San Mateo

Related Parties

Party	Party Type	Party Name	Role	Classification	Relationship Start Date	Relationship End Date
629893	Person	Alessandra Moyer	Case Worker		02/01/2022
630685	Person	Monica Bourne	Contact		02/01/2022
554574	Person	Katy Decker	Contact		02/01/2022
600989	Person	Toby Goyette	Contact		08/12/2019
534482	Organization	Vulcan Materials Company (Irwindale)	Owner and Operator	Privately-Owned Business	05/31/2019

Total Related Parties: 5

Regulatory Measures

Reg Measure ID	Reg Measure Type	Region	Program	Order No.	WDID	Effective Date	Expiration Date	Status	Amended?
430890	Enrollee - NPDES	2	NPDNONMUNIPRCS	R2-2020-0028	2 38NPG430890	05/31/2019	12/31/2025	Active	N
374525	Enrollee	2	NPDNONMUNIPRCS	R2-2008-0011	2417196001	07/02/2010	04/30/2013	Historical	N

Total Reg Measures: 2

Violations

Violation ID	Occurred Date	Violation Type	(-) Violation Description	Corrective Action	Status	Classification	Source
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.

Total Violations: 0

Priority Violations: 0

*Click the "(+/-) Violation Description" link to expand and contract the violation description.
*As of 5/20/2010, the Water Board's Enforcement Policy requires that all violations be classified as 1, 2 or 3, with class 1 being the highest. Prior to this, violations were simply classified as Yes or No. If a 123 classification has been assigned to a violation that occurred before this date, that classification data will be displayed instead of the Yes/No data.

Violation Types

Enforcement Actions

Enf Id	Enf Type	Enf Order No.	Effective Date	Status
433510	Admin Civil Liability	R2-2020-1013	02/04/2020	Historical

Total Enf Actions: 1

Inspections

Attachment

Total Inspections: 0

Last Inspection: None

The current report was generated with data as of: 10/31/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.

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