EPA TRI Facility · Chemicals

Mosaic Fertilizer LLC Uncle Sam Plant

Uncle Sam, LA · Parent: The Mosaic Co

Total releases
1.6M lbs
Chemicals reported
9
Latest report
2023
Primary pathway
Air Releases

AIR Form-R mix

Mosaic Fertilizer LLC Uncle Sam Plant: how the 1.6M lbs splits

1.6M lbs across all reported pathways

  • Air Releases 1.3M lbs 76.3%
  • Land Disposal 369.4K lbs 22.4%
  • Water Discharges 21.3K lbs 1.3%
  • Off-site Transfers 816 lbs <0.1%

Mosaic Fertilizer LLC Uncle Sam Plant's 1.6M lbs Form-R total is AIR - air releases is 76.3% of the bar. Next segment: land disposal at 22.4%. Leading chemical by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).

HEAVY volume AIR pathway CLEAN

Mosaic Fertilizer LLC Uncle Sam Plant is an EPA Toxics Release Inventory reporter in Uncle Sam, LA, in the chemicals sector. It reported 236.5K lbs of releases across 5 chemicals in 2023, and 1.6M lbs in total across its 2019-2023 reporting years. That ranks 970 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Louisiana's 417 reporting TRI sites, pounds #1 is not chemical-count #1. Mosaic Fertilizer LLC Uncle Sam Plant is pounds #65 and chemical-count #106 at 1.6M lbs. Bayer Cropscience LP leads reported pounds (81.9M lbs) at 17 chemicals (chemical-count #52). Eco-Services Operations leads chemical count at 68 chemicals (163.5K lbs, pounds #136). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Occidental Chemical Holding Corp; Nucor Steel Louisiana LLC; Millennium Galvanizing LLC; Koch Methanol St. James LLC. Similar-scale Chemicals peers outside Louisiana: Celanese Acetate LLC - Celco Plant; Centauri Technologies LLC; Dyno Nobel Inc.--Lomo Plant; Mpm Silicones LLC. Other The Mosaic Co sites in this extract: Mosaic Fertilizer Llc-New Wales Plant; Mosaic Fertilizer Llc-Bartow; Mosaic Phosphates Co Faustina Plant; Mosaic Fertilizer Llc-Riverview. Largest disclosed chemicals by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Lead compounds; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Hydrogen sulfide.

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Mosaic Fertilizer LLC Uncle Sam Plant stamps HEAVY volume with a dominant AIR pathway (76.3% air releases) across 9 chemicals. Cumulative Form-R extract: 1.6M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Celanese Acetate LLC - Celco Plant and Centauri Technologies LLC.

#970 of 25,986 TRI facilities nationwide by total reported releases - among the top 3.7% of reporting sites by volume. Ranking reflects reported pounds, not toxicity or health risk.

Mosaic Fertilizer LLC Uncle Sam Plant vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

1.6M lbs Top 4% higher than 96% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.

Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year

Mosaic Fertilizer LLC Uncle Sam Plant: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)-led volume

Among the 3,917 Chemicals facilities in this database, Mosaic Fertilizer LLC Uncle Sam Plant reports the 198th-largest volume, placing it in the top 5.1% of its sector. Its reported volume is concentrated rather than spread: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) alone is 67.3% of the total. Scale peers outside Louisiana include Celanese Acetate LLC - Celco Plant and Centauri Technologies LLC.

Concentrated means ≥60% of Mosaic Fertilizer LLC Uncle Sam Plant's pounds in one chemical - here Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) at 67.3%. Not a toxicity score.

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • Mosaic Fertilizer LLC Uncle Sam Plant's total reported releases fell from 330.8 thousand lb in 2022 to 236.5 thousand lb in 2023, based on EPA TRI filings.
  • Mosaic Fertilizer LLC Uncle Sam Plant's land releases fell from 67.8 thousand lb in 2022 to 26.6 thousand lb in 2023, based on EPA TRI filings.
  • Mosaic Fertilizer LLC Uncle Sam Plant's air releases fell from 259.8 thousand lb in 2022 to 207.1 thousand lb in 2023, based on EPA TRI filings.
  • Mosaic Fertilizer LLC Uncle Sam Plant's water releases fell from 3.2 thousand lb in 2022 to 2.8 thousand lb in 2023, based on EPA TRI filings.

Mosaic Fertilizer LLC Uncle Sam Plant Form-R facts

Sector
Chemicals
HEAVY volume
1.6M lbs
AIR pathway
Air Releases
CLEAN chem count
9
Lead chemical
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)

Compare this facility

See how Mosaic Fertilizer LLC Uncle Sam Plant stacks up against nearby facilities and the typical reporter.

Total reported releases
Mosaic Fertilizer LLC Uncle Sam Plant
1.6M lbs
Occidental Chemical Holding Corp
59.6K lbs

27.7× more than the comparison

Chemicals reported
Mosaic Fertilizer LLC Uncle Sam Plant
9
Occidental Chemical Holding Corp
11

18% less than the comparison

Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.

How does this facility release toxic chemicals?

How Mosaic Fertilizer LLC Uncle Sam Plant releases toxic chemicals into the environment. Total: 1.6M lbs.

Air Releases 1.3M lbs (76.3%)
Land Disposal 369.4K lbs (22.4%)
Water Discharges 21.3K lbs (1.3%)
Off-site Transfers 816 lbs (<0.1%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases decreased by 33% (350.8K lbs to 236.5K lbs).

Mosaic Fertilizer LLC Uncle Sam Plant: annual Form-R pounds

HEAVY site · AIR pathway · TRI years 2019–2023

million lbs

What this shows Mosaic Fertilizer LLC Uncle Sam Plant year-over-year reported totals (decreased by 33% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 350.8K lbs 7
2020 435.9K lbs 6
2021 295.6K lbs 6
2022 330.8K lbs 5
2023 236.5K lbs 5

Chemical Releases

Aggregated across all reporting years (2019–2023). Sorted by total release volume.

Chemical Total Flags
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 1.1M lbs -
Lead compounds 198.5K lbs -
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) 99.3K lbs -
Hydrogen sulfide 91.8K lbs -
Hydrogen fluoride 71.5K lbs -
Lead And Lead Compounds 42.6K lbs -
Vanadium compounds 32.6K lbs -
Mercury compounds 2.4K lbs -
Mercury And Mercury Compounds 514 lbs -

Mosaic Fertilizer LLC Uncle Sam Plant · AIR-pathway site

Uncle Sam, LA
30.0381, -90.8328
County TRI context
St. James Parish · 13.3% of county pounds
Parent company
The Mosaic Co

Compare beyond Louisiana

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Mosaic Fertilizer LLC Uncle Sam Plant on cumulative reported pounds (1.6M lbs) and distinct chemical count (9). Release-pound peers include Celanese Acetate LLC - Celco Plant, Sylvamo Ticonderoga Mill, Scepter Inc. Chemical-count peers include Viatris Pharmaceuticals LLC, Prepa - San Juan Steam Plant, Solutia Inc. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.

About TRI Data

Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.

On this page the largest disclosed chemicals include Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Lead compounds, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Hydrogen sulfide; nearby reporters include Occidental Chemical Holding Corp. Mosaic Fertilizer LLC Uncle Sam Plant stamps HEAVY volume · AIR pathway · CLEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.

Use and verify this record

This Mosaic Fertilizer LLC Uncle Sam Plant TRI extract (HEAVY · AIR · CLEAN · lead Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Mosaic Fertilizer LLC Uncle Sam Plant totals are self-reported EPCRA §313 estimates for Uncle Sam, LA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325312 · Chemicals. 13.3% of St. James Parish TRI pounds in this extract. Nearest ABS peer: Celanese Acetate LLC - Celco Plant (Δ 2.4K lbs). Pounds ≠ exposure.

Mosaic Fertilizer LLC Uncle Sam Plant stamps HEAVY volume · AIR pathway · CLEAN · lead Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.

All federal data sources used on this page
  • EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
  • EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
  • EPA Facility Registry Service - facility location and identity. epa.gov
  • EPA ECHO - regulatory and compliance context. epa.gov
  • EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov