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Clean Air Act stationary source · ICIS-AIR WI0000005503100003

GRAYMONT (WI) LLC, Superior, WI: Clean Air Act compliance record, inspections, violations, penalties

GRAYMONT (WI) LLC, at 800 HILL AVENUE, Superior in Douglas County, Wisconsin, 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 filedGRAYMONT (WI) LLC
ICIS-AIR IDWI0000005503100003
EPA facility registry ID110007346229
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)Unaddressed-State
Address800 HILL AVENUE, Superior, WI 54880
CountyDouglas County
In a nonattainment countyNo (EPA Green Book)
Industry (NAICS)Nonmetallic mineral product manufacturing (NAICS 3274)
SIC code3274
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 GRAYMONT (WI) LLC 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
August 24, 2026PCE Off-SiteStateTitle V Permits
August 24, 2026PCE Off-SiteStateTitle V Permits
August 7, 2026PCE Off-SiteStateTitle V Permits
April 29, 2026PCE Off-SiteStateTitle V Permits
February 4, 2026PCE Off-SiteStateTitle V Permits
February 4, 2026PCE Off-SiteStateTitle V Permits
February 4, 2026PCE Off-SiteStateTitle V Permits
December 8, 2025PCE Off-SiteStateTitle V Permits
October 31, 2025PCE Off-SiteStateTitle V Permits
October 29, 2025PCE Off-SiteStateTitle V Permits
May 1, 2025PCE Off-SiteStateTitle V Permits
May 1, 2025PCE Off-SiteStateTitle V Permits
February 3, 2025PCE Off-SiteStateTitle V Permits
February 3, 2025PCE Off-SiteStateTitle V Permits
December 9, 2024PCE Off-SiteStateTitle V Permits
November 19, 2024PCE Off-SiteStateTitle V Permits
September 28, 2023FCE On-SiteStateTitle V Permits
August 2, 2023FCE On-SiteU.S. EPANational Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 31, 2023PCE Off-SiteStateTitle V Permits
September 28, 2021FCE Off-SiteStateTitle V Permits
September 4, 2019FCE On-SiteStateTitle V Permits
November 21, 2017PCE Off-SiteStatePrevention of Significant Deterioration of Air Quality
September 29, 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
December 13, 2018HPV day-zero determinationStateMACT Standards (40 CFR Part 63)
October 16, 2018Earliest FRV determinationStateMACT Standards (40 CFR Part 63)
November 21, 2017Earliest FRV determinationStatePrevention of Significant Deterioration of Air Quality

Enforcement and penalties

1 formal enforcement actions since January 1, 2017, 1 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
December 12, 2017Civil Judicial ActionState$10,000

Informal enforcement

DateWhat EPA recordedAgency
February 7, 2023Notice of ViolationState
November 20, 2019Notice of ViolationState
March 5, 2019Notice of ViolationState

Stack tests

DateWhat EPA recordedAgency
February 27, 2026PassState
September 9, 2025PassState
July 28, 2025PassState
February 12, 2025PassState
August 27, 2024PassState
August 20, 2024PassState
July 1, 2024PassState
November 28, 2023PassState
September 21, 2023PassState
September 19, 2023PassState
August 19, 2023PassState
March 14, 2023PassState
January 3, 2023PassState
December 30, 2022FailState
September 20, 2022PassState
June 30, 2022PassState
March 22, 2022PassState
February 16, 2022PassState
September 14, 2021PassState
August 10, 2021PassState
March 16, 2021PassState
March 3, 2020PassState
January 28, 2020PassState
December 10, 2019PassState
August 8, 2019PassState
July 16, 2019PassState
February 28, 2019PassState
December 14, 2018PassState
December 12, 2018PassState
December 11, 2018PassState
October 16, 2018FailState
February 27, 2018PassState
November 20, 2017PassState
August 31, 2017PassState
August 22, 2017PassState

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 110007346229 there.

Nearby on the register

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