Velarion Records
The Pay Desk is the free weekly executive pay briefing — one company at a time, every number traceable to a public filing.
You’ll confirm on The Pay Desk’s sign-up page.

Clean Air Act stationary source · ICIS-AIR IA0000001904500203

GUARDIAN INDUSTRIES CORP, De Witt, IA: Clean Air Act compliance record, inspections, violations, penalties

GUARDIAN INDUSTRIES CORP, at 300 S 5TH AVE E, De Witt in Clinton County, Iowa, 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”. 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 filedGUARDIAN INDUSTRIES CORP
ICIS-AIR IDIA0000001904500203
EPA facility registry ID110017403745
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address300 S 5TH AVE E, De Witt, IA 52742
CountyClinton County
In a nonattainment countyNo (EPA Green Book)
Industry (NAICS)Nonmetallic mineral product manufacturing (NAICS 3272)
SIC code3211
EPA region07

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

Programs and pollutants

Velarion’s copy of EPA’s ICIS-AIR download does not yet include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs GUARDIAN INDUSTRIES CORP 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
March 10, 2025FCE On-SiteStateTitle V Permits
December 6, 2022FCE On-SiteStateTitle V Permits
October 8, 2020FCE On-SiteStateTitle V Permits
January 29, 2019FCE On-SiteStateTitle 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
September 14, 2023Earliest FRV determinationStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 24, 2023Earliest FRV determinationStateTitle V Permits
December 20, 2022Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

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

DateWhat EPA recordedAgency
September 14, 2023Warning LetterState
April 20, 2023Notice of ViolationState

Stack tests

DateWhat EPA recordedAgency
April 30, 2026PassState
May 6, 2025PassState
May 16, 2024PassState
June 3, 2023PassState
November 3, 2022PassState
September 28, 2022FailState
September 29, 2021PassState
August 12, 2020PassState
July 31, 2019PassState
August 8, 2018PassState
February 22, 2018FailState
February 20, 2018PassState

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.

Watch this source

One source, $99/month. A source: the register entry for a plant, refinery, kiln, generating station, or other fixed installation the agency tracks under the Clean Air Act. Choose “One source” and enter this source’s ICIS-AIR ID, IA0000001904500203.

Start the watch

How often?
  • One source — $99/month
  • One county — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 110017403745 there.

Nearby on the register

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