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Clean Air Act stationary source · ICIS-AIR CABAA00006001A0595

MISSION VALLEY ROCK CO, Sunol, CA: Clean Air Act compliance record, inspections, violations, penalties

MISSION VALLEY ROCK CO, at 7999 ATHENOUR WY, Sunol in Alameda County, California, is an operating synthetic minor 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 “Unaddressed-Local”. Alameda 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 filedMISSION VALLEY ROCK CO
ICIS-AIR IDCABAA00006001A0595
EPA facility registry ID110070466751
Operating statusOperating
Emissions classificationSynthetic minor source
Current violation status (ICIS-AIR high-priority violation field)Unaddressed-Local
Address7999 ATHENOUR WY, Sunol, CA 94586
CountyAlameda County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Merchant wholesalers, durable goods (NAICS 4233)
SIC code2951
EPA region09
Local air agencyBay Area Air Quality Management 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 MISSION VALLEY ROCK CO 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
May 5, 2026FCE On-SiteLocalTitle V Permits
June 7, 2024FCE On-SiteLocalTitle V Permits
May 8, 2024FCE On-SiteLocalTitle V Permits
July 18, 2022FCE On-SiteLocalTitle V Permits
September 22, 2021FCE On-SiteLocalTitle V Permits
August 1, 2019FCE On-SiteLocalTitle V Permits
October 23, 2018FCE On-SiteLocalTitle 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.

DateWhat EPA recordedAgencyPrograms
July 18, 2022HPV day-zero determinationLocalTitle V Permits
July 22, 2021HPV day-zero determinationLocalTitle V Permits
October 2, 2020HPV day-zero determinationLocalTitle V Permits

Enforcement and penalties

2 formal enforcement actions since January 1, 2017, 2 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.

DateWhat EPA recordedAgencyPenalty, as filed
September 6, 2023Administrative OrderLocal$5,000
September 19, 2022Administrative OrderLocal$12,000

Informal enforcement

DateWhat EPA recordedAgency
July 19, 2022Notice of ViolationLocal
July 22, 2021Notice of ViolationLocal
October 2, 2020Notice of ViolationLocal

Stack tests

DateWhat EPA recordedAgency
April 27, 2021FailLocal
November 7, 2018PassLocal

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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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 110070466751 there.

Nearby on the register

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