Clean Air Act stationary source · ICIS-AIR LA0000002209300004
MOSAIC FERTILIZER LLC - UNCLE SAM PLANT, Uncle Sam, LA: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Major sourceEmissions classification
- Addressed-StateCurrent violation status, as filed
- 4Compliance evaluations since January 1, 2017
- 1High-priority violations since January 1, 2017
- 6Formal enforcement actions since January 1, 2017
MOSAIC FERTILIZER LLC - UNCLE SAM PLANT, at 7250 HWY 44, Uncle Sam in St. James County, Louisiana, 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 “Addressed-State”. St. James 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 | MOSAIC FERTILIZER LLC - UNCLE SAM PLANT |
|---|---|
| ICIS-AIR ID | LA0000002209300004 |
| EPA facility registry ID | 110006020215 |
| Operating status | Operating |
| Emissions classification | Major source |
| Current violation status (ICIS-AIR high-priority violation field) | Addressed-State |
| Address | 7250 HWY 44, Uncle Sam, LA 70792 |
| County | St. James County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Chemical manufacturing (NAICS 3253) |
| SIC code | 2819 |
| EPA region | 06 |
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 MOSAIC FERTILIZER LLC - UNCLE SAM PLANT 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
- 4Evaluations since January 1, 2017
- 4Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| May 4, 2026 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 14, 2022 | FCE On-Site | State | New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| August 21, 2019 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| September 27, 2017 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
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 |
|---|---|---|---|
| October 25, 2022 | HPV day-zero determination | State | New Source Performance Standards |
Enforcement and penalties
6 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 |
|---|---|---|---|
| July 3, 2024 | Administrative Order | State | $0 |
| December 15, 2023 | Administrative Order | State | $22,292 |
| December 13, 2022 | Administrative Order | State | $0 |
| November 4, 2021 | Administrative Order | State | $0 |
| March 8, 2019 | Administrative Order | State | $0 |
| January 19, 2018 | Administrative Order | State | $0 |
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| August 21, 2026 | Warning Letter | State |
| October 3, 2022 | Warning Letter | State |
| March 11, 2020 | Warning Letter | State |
Stack tests
- 1Stack tests since January 1, 2017
- 0Recorded as failed
| Date | What EPA recorded | Agency |
|---|---|---|
| February 3, 2022 | 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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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 110006020215 there.
Nearby on the register
- Air-emissions sources in St. James County
- Every source record in St. James County, A to Z
- Air-emissions sources in Louisiana
- Every source record in Louisiana, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.