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Clean Air Act stationary source · ICIS-AIR IN0000001814500001

KNAUF INSULATION INCORPORATED, Shelbyville, IN: Clean Air Act compliance record, inspections, violations, penalties

KNAUF INSULATION INCORPORATED, at 1 KNAUF DR, Shelbyville in Shelby 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”. Shelby 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 filedKNAUF INSULATION INCORPORATED
ICIS-AIR IDIN0000001814500001
EPA facility registry ID110043786365
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)Unaddressed-State
Address1 KNAUF DR, Shelbyville, IN 46176-8626
CountyShelby County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Nonmetallic mineral product manufacturing (NAICS 3279)
SIC code3296
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 KNAUF INSULATION INCORPORATED 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 9, 2025FCE On-SiteStateTitle V Permits
December 15, 2022FCE On-SiteStateTitle V Permits
February 11, 2021FCE On-SiteStateTitle V Permits
August 14, 2019FCE On-SiteStateTitle V Permits
July 13, 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
May 1, 2024Earliest FRV determinationStateTitle V Permits
May 31, 2023Earliest FRV determinationStateTitle V Permits
August 17, 2022HPV day-zero determinationStateTitle V Permits
June 27, 2022HPV day-zero determinationStateTitle V Permits
June 11, 2021Earliest FRV determinationStateTitle V Permits
October 29, 2019Earliest FRV determinationStateTitle V Permits
October 22, 2018Earliest FRV determinationStateTitle V Permits
July 9, 2018Earliest FRV determinationStateTitle V Permits

Enforcement and penalties

7 formal enforcement actions since January 1, 2017, 7 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 4, 2026Administrative OrderState$9,000
May 4, 2026Administrative OrderState$8,750
April 9, 2025Administrative OrderState$7,000
June 27, 2024Administrative OrderState$9,875
August 9, 2021Administrative OrderState$6,250
November 15, 2019Administrative OrderState$74,063
May 24, 2018Administrative OrderState$18,375

Informal enforcement

DateWhat EPA recordedAgency
March 20, 2026Notice of ViolationState
April 21, 2025Notice of ViolationState
March 10, 2025Notice of ViolationState
May 30, 2024Notice of ViolationState
June 28, 2021Notice of ViolationState
October 3, 2018Notice of ViolationState
September 21, 2017Notice of ViolationState

Stack tests

The newest 50 of 231.

DateWhat EPA recordedAgency
April 22, 2026PassState
April 22, 2026PassState
April 22, 2026PassState
April 22, 2026PassState
April 22, 2026PassState
April 21, 2026PassState
April 21, 2026PassState
April 21, 2026PassState
April 21, 2026PassState
April 21, 2026PassState
March 12, 2026PassState
March 10, 2026PassState
March 10, 2026PassState
March 10, 2026PassState
March 10, 2026PassState
October 23, 2025PassState
October 23, 2025PassState
October 23, 2025PassState
October 23, 2025PassState
October 23, 2025PassState
October 23, 2025PassState
October 23, 2025PassState
October 23, 2025PassState
October 23, 2025PassState
October 23, 2025PassState
October 23, 2025PassState
October 23, 2025PassState
October 23, 2025PassState
October 23, 2025PassState
October 23, 2025PassState
October 22, 2025PassState
October 22, 2025PassState
October 22, 2025PassState
October 22, 2025PassState
October 22, 2025PassState
October 22, 2025PassState
October 22, 2025PassState
October 22, 2025PassState
October 22, 2025PassState
October 22, 2025PassState
October 22, 2025PassState
July 9, 2025PassState
July 9, 2025PassState
April 25, 2024PassState
April 25, 2024PassState
April 25, 2024PassState
April 25, 2024PassState
April 25, 2024PassState
April 25, 2024PassState
April 25, 2024PassState

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 110043786365 there.

Nearby on the register

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

What this page shows

This page covers the Clean Air Act compliance record of KNAUF INSULATION INCORPORATED in Shelbyville, IN, on the ICIS-AIR register. It lists Operating operating status, Major source emissions classification, and Unaddressed-State current violation status. The figures listed are 5 compliance evaluations, 2 high-priority violations, and 6 formal enforcement actions since January 1, 2017.