ICIS-AIR CAMBU0000606900503

GRANITE ROCK WILSON, Aromas, CA: Clean Air Act compliance record, inspections, violations, penalties

OperatingOperating status
Major sourceEmissions classification
No Violation IdentifiedCurrent violation status, as filed
10Compliance evaluations since January 1, 2017
0High-priority violations since January 1, 2017
0Formal enforcement actions since January 1, 2017

GRANITE ROCK WILSON is on EPA’s ICIS-AIR register at WILSON QUARRY, Aromas in San Benito County, California: operating status operating, emissions classification major source, current violation status “No Violation Identified”. San Benito County is on EPA’s Green Book list of areas that do not meet a national air quality standard.

What stands out

The newest of the 11 events on file is a compliance evaluation dated October 17, 2025.
Its events on file run from September 28, 2017 through October 17, 2025.
Of its 10 compliance evaluations on file, 8 are a full compliance evaluation.

Every line is computed by formula from the record’s stored figures; nothing is estimated.

Identity

Facility as filed	GRANITE ROCK WILSON
ICIS-AIR ID	CAMBU0000606900503
EPA facility registry ID	110006830732
Operating status	Operating
Emissions classification	Major source
Current violation status (HPV field)	No Violation Identified
Address	WILSON QUARRY, Aromas, CA 95004
County	San Benito County
In a nonattainment county	Yes (EPA Green Book)
Industry (NAICS)	Mining and quarrying (NAICS 2123)
SIC code	1423
EPA region	09
Local air agency	Monterey Bay Unified Air Pollution Control District (Grantee)

Programs and pollutants

The program, pollutant and Title V files are not loaded: what this page covers.

Compliance evaluations

10Evaluations since January 1, 2017
8Full compliance evaluations

Date	What EPA recorded	Agency	Programs
October 17, 2025	FCE On-Site	Local	Title V Permits
December 17, 2024	FCE On-Site	Local	Title V Permits
September 26, 2023	FCE On-Site	Local	Title V Permits
September 15, 2022	FCE On-Site	Local	Title V Permits
September 2, 2021	FCE Off-Site	Local	Title V Permits
August 31, 2020	PCE Off-Site	Local	Title V Permits
May 8, 2019	FCE On-Site	Local	State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 20, 2018	FCE On-Site	Local	State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
October 26, 2017	FCE On-Site	Local	State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
September 28, 2017	PCE On-Site	Local	State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits

Violations

0Violation determinations since January 1, 2017
0Of them high-priority

What high-priority and federally reportable violations mean.

EPA’s violation history file holds no violation for ICIS-AIR CAMBU0000606900503 since January 1, 2017.

Enforcement and penalties

0 of the formal enforcement actions carry a penalty filed above zero. How a penalty is shown.

Informal enforcement

EPA’s informal action file holds no notice or warning for ICIS-AIR CAMBU0000606900503 since January 1, 2017.

Stack tests

1Stack tests since January 1, 2017
0Recorded as failed

Date	What EPA recorded	Agency
October 26, 2020	Pass	Local

Watch GRANITE ROCK WILSON

Privacy

Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110006830732).

Other air sources in California beside GRANITE ROCK WILSON

EPA ICIS-AIR download, loaded September 14, 2026.