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Clean Air Act stationary source · ICIS-AIR CAMBU0000606900503

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

GRANITE ROCK WILSON, at WILSON QUARRY, Aromas in San Benito County, California, is an operating major source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “No Violation Identified”. San Benito County is on EPA’s Green Book list of areas that do not meet a national air quality standard. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.

Identity

Facility as filedGRANITE ROCK WILSON
ICIS-AIR IDCAMBU0000606900503
EPA facility registry ID110006830732
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
AddressWILSON QUARRY, Aromas, CA 95004
CountySan Benito County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Mining and quarrying (NAICS 2123)
SIC code1423
EPA region09
Local air agencyMonterey Bay Unified Air Pollution Control District (Grantee)

Cited to the EPA ICIS-AIR facility file (ECHO download).

Programs and pollutants

Velarion’s copy of EPA’s ICIS-AIR download does not include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs GRANITE ROCK WILSON is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
October 17, 2025FCE On-SiteLocalTitle V Permits
December 17, 2024FCE On-SiteLocalTitle V Permits
September 26, 2023FCE On-SiteLocalTitle V Permits
September 15, 2022FCE On-SiteLocalTitle V Permits
September 2, 2021FCE Off-SiteLocalTitle V Permits
August 31, 2020PCE Off-SiteLocalTitle V Permits
May 8, 2019FCE On-SiteLocalState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 20, 2018FCE On-SiteLocalState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
October 26, 2017FCE On-SiteLocalState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
September 28, 2017PCE On-SiteLocalState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits

Violations

A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.

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

Enforcement and penalties

0 formal enforcement actions since January 1, 2017, 0 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.

Informal enforcement

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

Stack tests

DateWhat EPA recordedAgency
October 26, 2020PassLocal

Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110006830732 there.

Nearby on the register

Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.