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ICIS-AIR IL000111065ACZ

THOMSON INDUSTRIES INC, Marengo, IL: Clean Air Act compliance record, inspections, violations, penalties

THOMSON INDUSTRIES INC is on EPA’s ICIS-AIR register at 1300 N STATE ST, Marengo in McHenry County, Illinois: operating status operating, emissions classification minor source, current violation status “No Violation Identified”. McHenry 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 4 events on file is a formal enforcement action dated February 18, 2026.
  • Its events on file run from January 22, 2025 through February 18, 2026.
  • Of the 1 formal enforcement action on file, 0 carry a filed penalty above zero.
  • All 1 of its compliance evaluations on file are full compliance evaluations.
  • The register holds 342 air-emissions sources in McHenry County, Illinois.

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

Identity

Facility as filedTHOMSON INDUSTRIES INC
ICIS-AIR IDIL000111065ACZ
EPA facility registry ID110001953985
Operating statusOperating
Emissions classificationMinor source
Current violation status (HPV field)No Violation Identified
Address1300 N STATE ST, Marengo, IL 60152
CountyMcHenry County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Miscellaneous manufacturing (NAICS 3399)
EPA region05

Programs and pollutants

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

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
January 22, 2025FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Violations

What high-priority and federally reportable violations mean.

DateWhat EPA recordedAgencyPrograms
July 3, 2025Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Enforcement and penalties

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

DateWhat EPA recordedAgencyPenalty, as filed
February 18, 2026Administrative OrderState$0

Informal enforcement

DateWhat EPA recordedAgency
September 22, 2025Notice of ViolationState

Stack tests

EPA’s stack test file holds no test at ICIS-AIR IL000111065ACZ since January 1, 2017.

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Privacy

Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110001953985).

Other air sources in Illinois beside THOMSON INDUSTRIES INC

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