Velarion Records

Clean Air Act stationary source · ICIS-AIR WI0000005507900288

GREDE LLC - LIBERTY, Wauwatosa, WI: Clean Air Act compliance record, inspections, violations, penalties

GREDE LLC - LIBERTY, at 6432 W STATE ST, Wauwatosa in Monroe 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 “Violation w/in 1 Year”. 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 filedGREDE LLC - LIBERTY
ICIS-AIR IDWI0000005507900288
EPA facility registry ID110000418717
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)Violation w/in 1 Year
Address6432 W STATE ST, Wauwatosa, WI 532132910
CountyMonroe County
In a nonattainment countyNo (EPA Green Book)
Industry (NAICS)Primary metal manufacturing (NAICS 3315)
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 GREDE LLC - LIBERTY 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 20, 2026PCE Off-SiteStateFederally-Enforceable State Operating Permit - Non Title V
August 13, 2026PCE Off-SiteStateFederally-Enforceable State Operating Permit - Non Title V
August 13, 2026PCE Off-SiteStateFederally-Enforceable State Operating Permit - Non Title V
March 10, 2026FCE On-SiteStateFederally-Enforceable State Operating Permit - Non Title V
February 4, 2026PCE Off-SiteStateFederally-Enforceable State Operating Permit - Non Title V
February 2, 2026PCE Off-SiteStateFederally-Enforceable State Operating Permit - Non Title V
January 29, 2025PCE Off-SiteStateFederally-Enforceable State Operating Permit - Non Title V
November 18, 2024PCE Off-SiteStateFederally-Enforceable State Operating Permit - Non Title V
October 31, 2024FCE On-SiteStateFederally-Enforceable State Operating Permit - Non Title V
August 7, 2024PCE On-SiteU.S. EPAInformation Requests, Monitoring, & Recordkeeping
November 2, 2023PCE On-SiteStateFederally-Enforceable State Operating Permit - Non Title V
April 12, 2019FCE On-SiteStateTitle V Permits
April 28, 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
March 2, 2026Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 2, 2026Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 15, 2026Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 15, 2026Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 15, 2023HPV day-zero 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
March 12, 2026Warning LetterState
February 22, 2024Notice of ViolationState

Stack tests

DateWhat EPA recordedAgency
October 21, 2025PassState
August 19, 2025PassState
August 24, 2023PassState
September 9, 2021PassState
October 27, 2020PassState
August 29, 2019PassState
August 17, 2017PassState
April 13, 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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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 110000418717 there.

Nearby on the register

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

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