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 IN0000001810700038

NUCOR STEEL, Crawfordsville, IN: Clean Air Act compliance record, inspections, violations, penalties

NUCOR STEEL, at 4537 S NUCOR RD, Crawfordsville in Montgomery County, Indiana, 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 “Unaddressed-State”. 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 filedNUCOR STEEL
ICIS-AIR IDIN0000001810700038
EPA facility registry ID110017410595
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)Unaddressed-State
Address4537 S NUCOR RD, Crawfordsville, IN 47933-7969
CountyMontgomery County
In a nonattainment countyNo (EPA Green Book)
Industry (NAICS)Primary metal manufacturing (NAICS 3311)
SIC code3312
EPA region05

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 NUCOR STEEL 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
June 10, 2025FCE On-SiteStateTitle V Permits
August 14, 2024PCE On-SiteU.S. EPAInformation Requests, Monitoring, & Recordkeeping
September 15, 2023FCE On-SiteStateTitle V Permits
September 2, 2022FCE On-SiteStateTitle V Permits
July 15, 2021FCE On-SiteStateTitle V Permits
August 6, 2019FCE On-SiteStateTitle V Permits
March 20, 2018FCE On-SiteStateTitle V Permits
April 4, 2017FCE 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 9, 2026HPV day-zero determinationStateTitle V Permits
September 1, 2025HPV day-zero determinationStateTitle V Permits
June 11, 2025Earliest FRV determinationStateTitle V Permits
June 10, 2025Earliest FRV determinationStateTitle V Permits
June 3, 2025Earliest FRV determinationStateTitle V Permits
May 30, 2025Earliest FRV determinationStateTitle V Permits
September 15, 2023Earliest FRV determinationStateTitle V Permits
January 11, 2022Earliest FRV determinationStateTitle V Permits
July 15, 2021Earliest FRV determinationStateTitle V Permits
April 30, 2019Earliest FRV determinationStateTitle V Permits
July 30, 2018HPV day-zero determinationStateMACT Standards (40 CFR Part 63)
July 10, 2017HPV day-zero determinationStateMACT Standards (40 CFR Part 63)
June 21, 2017Earliest FRV determinationStateMACT Standards (40 CFR Part 63)

Enforcement and penalties

5 formal enforcement actions since January 1, 2017, 5 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
June 18, 2026Administrative OrderState$22,500
May 16, 2024Administrative OrderState$9,000
September 7, 2021Administrative OrderState$500
December 2, 2020Administrative OrderState$12,438
November 7, 2017Administrative OrderState$18,750

Informal enforcement

DateWhat EPA recordedAgency
August 3, 2021Notice of ViolationState

Stack tests

The newest 50 of 105.

DateWhat EPA recordedAgency
June 9, 2026PassState
June 9, 2026PassState
April 28, 2026PassState
April 28, 2026PassState
April 28, 2026PassState
April 28, 2026PassState
April 11, 2026PassState
April 11, 2026PassState
April 11, 2026PassState
April 11, 2026PassState
April 8, 2026PassState
April 8, 2026PassState
April 8, 2026PassState
April 8, 2026PassState
April 7, 2026PassState
April 7, 2026PassState
April 7, 2026PassState
April 7, 2026PassState
October 23, 2025PassState
August 6, 2025PassState
May 1, 2025FailState
March 16, 2024PassState
March 16, 2024PassState
March 16, 2024PassState
March 16, 2024PassState
March 16, 2024PassState
March 16, 2024PassState
March 16, 2024PassState
March 16, 2024PassState
December 19, 2023PassState
December 19, 2023PassState
October 28, 2023PassState
October 28, 2023PassState
October 28, 2023PassState
October 28, 2023PassState
May 12, 2023PassState
November 8, 2022PassState
September 22, 2021PassState
September 22, 2021PassState
September 22, 2021PassState
September 22, 2021PassState
September 22, 2021PassState
September 22, 2021PassState
September 22, 2021PassState
September 22, 2021PassState
August 20, 2021PassState
August 20, 2021PassState
August 20, 2021PassState
August 20, 2021PassState
July 8, 2021PassState

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, IN0000001810700038.

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 110017410595 there.

Nearby on the register

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