Clean Air Act stationary source · ICIS-AIR MN0000002701900053
WM MUELLER & SONS INC, Hamburg, MN: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Minor sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 1Compliance evaluations since January 1, 2017
- 1High-priority violations since January 1, 2017
- 1Formal enforcement actions since January 1, 2017
WM MUELLER & SONS INC, at 831 PARK AVE, Hamburg in Carver County, Minnesota, is an operating minor 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”. Carver 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 filed | WM MUELLER & SONS INC |
|---|---|
| ICIS-AIR ID | MN0000002701900053 |
| EPA facility registry ID | 110001446800 |
| Operating status | Operating |
| Emissions classification | Minor source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | 831 PARK AVE, Hamburg, MN 553399432 |
| County | Carver County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Mining and quarrying (NAICS 2123) |
| EPA region | 05 |
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 WM MUELLER & SONS INC 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
- 1Evaluations since January 1, 2017
- 0Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| March 6, 2019 | PCE Off-Site | State | Federally-Enforceable State Operating Permit - Non Title V; New Source Performance Standards; New Source Review Permit Requirements |
Violations
- 1Violation determinations since January 1, 2017
- 1Of them high-priority
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.
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| February 27, 2019 | HPV day-zero determination | State | New Source Performance Standards |
Enforcement and penalties
1 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.
| Date | What EPA recorded | Agency | Penalty, as filed |
|---|---|---|---|
| August 13, 2020 | Administrative Order | State | $0 |
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| February 6, 2025 | Warning Letter | State |
Stack tests
- 6Stack tests since January 1, 2017
- 0Recorded as failed
| Date | What EPA recorded | Agency |
|---|---|---|
| September 23, 2025 | Pass | State |
| September 9, 2024 | Pass | State |
| June 6, 2024 | Pass | State |
| July 6, 2023 | Pass | State |
| August 25, 2020 | Pass | State |
| May 24, 2019 | Pass | State |
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 110001446800 there.
Nearby on the register
- Air-emissions sources in Carver County
- Every source record in Carver County, A to Z
- Air-emissions sources in Minnesota
- Every source record in Minnesota, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.