EPA TRI Facility · Primary Metals
Nucor Steel Louisiana LLC
Convent, LA · Parent: Nucor Corp
- Total releases
- 211.5K lbs
- Chemicals reported
- 2
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
Nucor Steel Louisiana LLC: how the 211.5K lbs splits
211.5K lbs across all reported pathways
- Air Releases 211.5K lbs 100.0%
Nucor Steel Louisiana LLC's 211.5K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Ammonia.
MID volume AIR pathway CLEAN
Nucor Steel Louisiana LLC is an EPA Toxics Release Inventory reporter in Convent, LA, in the primary metals sector. It reported 30.4K lbs of releases across 1 chemical in 2023, and 211.5K lbs in total across its 2019-2023 reporting years. That ranks 3,151 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. Nucor Steel Louisiana LLC is pounds #124 and chemical-count #301 at 211.5K 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; Mosaic Fertilizer LLC Uncle Sam Plant; Millennium Galvanizing LLC; Air Products & Chemicals Inc. - Convent Smr. Similar-scale Primary Metals peers outside Louisiana: Jupiter Aluminum Corp; Bull Moose Tube Co; Vista Metals Corp.; Golden Aluminum. Other Nucor Corp sites in this extract: Nucor Steel-Berkeley; Nucor Steel Tuscaloosa Inc; Nucor Steel; Nucor Steel Hertford County. Largest disclosed chemicals by pounds: Ammonia; Hydrogen sulfide.
Nucor Steel Louisiana LLC stamps MID volume with a dominant AIR pathway (100.0% air releases) across 2 chemicals. Cumulative Form-R extract: 211.5K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Jupiter Aluminum Corp and Bull Moose Tube Co.
Nucor Steel Louisiana LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
212K lbs Top 12% higher than 88% of 25,986 reporting TRI facilities
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
Nucor Steel Louisiana LLC: Ammonia-led volume
Among the 1,603 Primary Metals facilities in this database, Nucor Steel Louisiana LLC reports the 298th-largest volume, placing it in the top 18.6% of its sector. Its reported volume is concentrated rather than spread: Ammonia alone is 73.7% of the total. Scale peers outside Louisiana include Jupiter Aluminum Corp and Bull Moose Tube Co.
Concentrated means ≥60% of Nucor Steel Louisiana LLC's pounds in one chemical - here Ammonia at 73.7%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Nucor Steel Louisiana LLC's total reported releases fell from 31.2 thousand lb in 2022 to 30.4 thousand lb in 2023, based on EPA TRI filings.
- Nucor Steel Louisiana LLC's air releases fell from 31.2 thousand lb in 2022 to 30.4 thousand lb in 2023, based on EPA TRI filings.
Nucor Steel Louisiana LLC Form-R facts
Compare this facility
See how Nucor Steel Louisiana LLC stacks up against nearby facilities and the typical reporter.
3.5× more than the comparison
82% 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 Nucor Steel Louisiana LLC releases toxic chemicals into the environment. Total: 211.5K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 65% (85.9K lbs to 30.4K lbs).
Nucor Steel Louisiana LLC: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Nucor Steel Louisiana LLC year-over-year reported totals (decreased by 65% 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: Ammonia.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 85.9K lbs | 2 |
| 2020 | 32.9K lbs | 1 |
| 2021 | 31.2K lbs | 1 |
| 2022 | 31.2K lbs | 1 |
| 2023 | 30.4K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 155.9K lbs | - |
| Hydrogen sulfide | 55.7K lbs | - |
Nucor Steel Louisiana LLC · AIR-pathway site
Nearest TRI Facilities to Nucor Steel Louisiana LLC
Closest other reporters in Louisiana - including Occidental Chemical Holding Corp, Mosaic Fertilizer LLC Uncle Sam Plant, Millennium Galvanizing LLC, ordered by distance.
Showing 8 of 416 other reporting facilities in Louisiana.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Louisiana - e.g. Jupiter Aluminum Corp, Bull Moose Tube Co, Vista Metals Corp..
Compare beyond Louisiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Nucor Steel Louisiana LLC on cumulative reported pounds (211.5K lbs) and distinct chemical count (2). Release-pound peers include Timken Co Lincolnton Bearing Plant, Ingevity Virginia Corp, Arrow Finishing. Chemical-count peers include Idi Caribe Inc, Suiza Dairy Corp, Edwards Lifesciences Technology Sarl. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Nucor Corp Facilities
Same-parent TRI sites ranked by reported releases - including Nucor Steel-Berkeley, Nucor Steel Tuscaloosa Inc, Nucor Steel.
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 Ammonia, Hydrogen sulfide; nearby reporters include Occidental Chemical Holding Corp. Nucor Steel Louisiana LLC stamps MID 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 Nucor Steel Louisiana LLC TRI extract (MID · AIR · CLEAN · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Nucor Steel Louisiana LLC totals are self-reported EPCRA §313 estimates for Convent, LA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331110 · Primary Metals. 1.7% of St. James Parish TRI pounds in this extract. Nearest ABS peer: Timken Co Lincolnton Bearing Plant (Δ 76 lbs). Pounds ≠ exposure.
Nucor Steel Louisiana LLC stamps MID volume · AIR pathway · CLEAN · lead Ammonia. 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