Clean Air Act stationary source · ICIS-AIR MN0000002713700318
MESABI NUGGET DELAWARE LLC, Aurora, MN: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Major sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 5Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 1Formal enforcement actions since January 1, 2017
MESABI NUGGET DELAWARE LLC, at 6500 HIGHWAY 135 N, Aurora in St. Louis County, Minnesota, 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 “No Violation Identified”. St. Louis 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 | MESABI NUGGET DELAWARE LLC |
|---|---|
| ICIS-AIR ID | MN0000002713700318 |
| EPA facility registry ID | 110043801810 |
| Operating status | Operating |
| Emissions classification | Major source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | 6500 HIGHWAY 135 N, Aurora, MN 55705 |
| County | St. Louis County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Primary metal manufacturing (NAICS 3311) |
| 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 MESABI NUGGET DELAWARE 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
- 5Evaluations since January 1, 2017
- 4Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| March 12, 2026 | FCE On-Site | State | New Source Review Permit Requirements; Title V Permits |
| June 15, 2023 | FCE On-Site | State | New Source Review Permit Requirements; Title V Permits |
| June 30, 2020 | FCE On-Site | State | New Source Review Permit Requirements; Title V Permits |
| August 30, 2017 | PCE Off-Site | U.S. EPA | MACT Standards (40 CFR Part 63) |
| August 24, 2017 | FCE On-Site | State | New Source Review Permit Requirements; Title V Permits |
Violations
- 0Violation determinations since January 1, 2017
- 0Of 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.
EPA’s violation history file holds no violation for ICIS-AIR MN0000002713700318 since January 1, 2017.
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.
| Date | What EPA recorded | Agency | Penalty, as filed |
|---|---|---|---|
| June 26, 2017 | Civil Judicial Action | U.S. EPA | $150,000 |
Informal enforcement
EPA’s informal action file holds no notice or warning for ICIS-AIR MN0000002713700318 since January 1, 2017.
Stack tests
- 0Stack tests since January 1, 2017
- 0Recorded as failed
EPA’s stack test file holds no test at ICIS-AIR MN0000002713700318 since January 1, 2017.
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 110043801810 there.
Nearby on the register
- Air-emissions sources in St. Louis County
- Every source record in St. Louis 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.