EPA TRI Facility · Primary Metals

Nucor Steel - a Div of Nucor Corp

Plymouth, UT · Parent: Nucor Corp

Total releases
4.3M lbs
Chemicals reported
18
Carcinogens
5
Primary pathway
Off-site Transfers

OFFSITE Form-R mix

Nucor Steel - a Div of Nucor Corp: how the 4.3M lbs splits

4.3M lbs across all reported pathways

  • Off-site Transfers 3.2M lbs 73.5%
  • Land Disposal 1.1M lbs 25.2%
  • Air Releases 55.5K lbs 1.3%
  • Water Discharges 144 lbs <0.1%

Nucor Steel - a Div of Nucor Corp's 4.3M lbs Form-R total is OFFSITE - off-site transfers is 73.5% of the bar. Next segment: land disposal at 25.2%. Leading chemical by pounds: Zinc compounds.

Carcinogen-classified pounds vs other reported pounds

Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.

HEAVY volume OFFSITE pathway TRACE-CARC

Nucor Steel - a Div of Nucor Corp is an EPA Toxics Release Inventory reporter in Plymouth, UT, in the primary metals sector. It reported 682.5K lbs of releases across 11 chemicals in 2023, and 4.3M lbs in total across its 2019-2023 reporting years. That ranks 484 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Utah's 220 reporting TRI sites, pounds #1 is not chemical-count #1. Nucor Steel - a Div of Nucor Corp is pounds #9 and chemical-count #13 at 4.3M lbs. Kennecott Utah Copper Mine Concentrators & Power Plant leads reported pounds (781.4M lbs) at 34 chemicals (chemical-count #4). Clean Harbors Aragonite LLC leads chemical count at 193 chemicals (13.3M lbs, pounds #6). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Tms International LLC; West Liberty Foods Tremonton; Tremonton Ready Mix; Schreiber Foods Inc.. Similar-scale Primary Metals peers outside Utah: A Finkl & Sons Co DBA Finkl Steel - Chicago; Keystone Steel & Wire Co D/b/a Liberty Steel & Wire Peoria; Pacific Cast Technologies Inc; Neenah Foundry Co Neenah Operations. 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: Zinc compounds; Manganese And Manganese Compounds; Lead And Lead Compounds; Barium And Barium Compounds.

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Nucor Steel - a Div of Nucor Corp stamps HEAVY volume with a dominant OFFSITE pathway (73.5% off-site transfers) across 18 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 4.3M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include A Finkl & Sons Co DBA Finkl Steel - Chicago and Keystone Steel & Wire Co D/b/a Liberty Steel & Wire Peoria.

#484 of 25,986 TRI facilities nationwide by total reported releases - among the top 1.9% of reporting sites by volume. Ranking reflects reported pounds, not toxicity or health risk.

Nucor Steel - a Div of Nucor Corp vs. every reporting TRI facility

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

4.3M lbs Top 2% higher than 98% 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

Nucor Steel - a Div of Nucor Corp inside Box Elder's TRI pounds

Among the 1,603 Primary Metals facilities in this database, Nucor Steel - a Div of Nucor Corp reports the 62nd-largest volume, placing it in the top 3.9% of its sector. This one site accounts for 70.3% of every pound reported in Box Elder. Scale peers outside Utah include A Finkl & Sons Co DBA Finkl Steel - Chicago and Keystone Steel & Wire Co D/b/a Liberty Steel & Wire Peoria.

County-dominant here means ≥25% of Box Elder's reported pounds (6.1M lbs county total). Shares only print when the site reports ≥1,000 lbs.

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • Nucor Steel - a Div of Nucor Corp's total reported releases rose from 665.9 thousand lb in 2022 to 682.5 thousand lb in 2023, based on EPA TRI filings.
  • Nucor Steel - a Div of Nucor Corp's water releases rose from 3 lb in 2022 to 51 lb in 2023, based on EPA TRI filings.
  • Nucor Steel - a Div of Nucor Corp's land releases rose from 156.0 thousand lb in 2022 to 176.1 thousand lb in 2023, based on EPA TRI filings.
  • Nucor Steel - a Div of Nucor Corp's air releases fell from 11.9 thousand lb in 2022 to 11.2 thousand lb in 2023, based on EPA TRI filings.

Nucor Steel - a Div of Nucor Corp Form-R facts

Sector
Primary Metals
HEAVY volume
4.3M lbs
OFFSITE pathway
Off-site Transfers
TRACE-CARC chem count
18 · 5 carc.
Lead chemical
Zinc compounds

Compare this facility

See how Nucor Steel - a Div of Nucor Corp stacks up against nearby facilities and the typical reporter.

Total reported releases
Nucor Steel - a Div of Nucor Corp
4.3M lbs
Tms International LLC
1.2K lbs

3705.5× more than the comparison

Chemicals reported
Nucor Steel - a Div of Nucor Corp
18
Tms International LLC
4

4.5× more 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 - a Div of Nucor Corp releases toxic chemicals into the environment. Total: 4.3M lbs.

Off-site Transfers 3.2M lbs (73.5%)
Land Disposal 1.1M lbs (25.2%)
Air Releases 55.5K lbs (1.3%)
Water Discharges 144 lbs (<0.1%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases decreased by 21% (863.5K lbs to 682.5K lbs).

Nucor Steel - a Div of Nucor Corp: annual Form-R pounds

HEAVY site · OFFSITE pathway · TRI years 2019–2023

million lbs

What this shows Nucor Steel - a Div of Nucor Corp year-over-year reported totals (decreased by 21% 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: Zinc compounds.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 863.5K lbs 9
2020 903.8K lbs 10
2021 1.2M lbs 10
2022 665.9K lbs 11
2023 682.5K lbs 11

Chemical Releases

Aggregated across all reporting years (2019–2023). 5 of 18 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Zinc compounds 2.1M lbs -
Manganese And Manganese Compounds 671.9K lbs -
Lead And Lead Compounds 416.3K lbs -
Barium And Barium Compounds 296.9K lbs -
Lead compounds 260.6K lbs -
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) 152.3K lbs -
Manganese compounds 129.1K lbs -
Chromium compounds (except for chromite ore mined in the Transvaal Region) 92.5K lbs -
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 49.5K lbs -
Copper And Copper Compounds 43.5K lbs -
Copper compounds 10.7K lbs -
Nickel And Nickel Compounds 9.8K lbs Carcinogen
Polychlorinated biphenyls 8.3K lbs Carcinogen
Nickel compounds 6.7K lbs Carcinogen
Polycyclic aromatic compounds 2.2K lbs Carcinogen
Mercury And Mercury Compounds 1.6K lbs -
Mercury compounds 1.3K lbs -
Dioxin and dioxin-like compounds 0 lbs Carcinogen

Nucor Steel - a Div of Nucor Corp · OFFSITE-pathway site

Plymouth, UT
41.8929, -112.2144
County TRI context
Box Elder · 70.3% of county pounds
Parent company
Nucor Corp

Compare beyond Utah

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Nucor Steel - a Div of Nucor Corp on cumulative reported pounds (4.3M lbs) and distinct chemical count (18). Release-pound peers include A Finkl & Sons Co DBA Finkl Steel - Chicago, Goodyear Tire & Rubber Co, Public Service Co of Colorado Hayden Station. Chemical-count peers include Pride Solvents & Chemical Co of New Jersey, Mpm Silicones LLC, Max Environmental -- Yukon Facility. 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 Zinc compounds, Manganese And Manganese Compounds, Lead And Lead Compounds, Barium And Barium Compounds; nearby reporters include Tms International LLC. Nucor Steel - a Div of Nucor Corp stamps HEAVY volume · OFFSITE pathway · TRACE-CARC 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 - a Div of Nucor Corp TRI extract (HEAVY · OFFSITE · TRACE-CARC · lead Zinc compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Nucor Steel - a Div of Nucor Corp totals are self-reported EPCRA §313 estimates for Plymouth, UT, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331110 · Primary Metals. 70.3% of Box Elder TRI pounds in this extract. Nearest ABS peer: McWane Ductile-Utah (Δ 27.9K lbs). Pounds ≠ exposure.

Nucor Steel - a Div of Nucor Corp stamps HEAVY volume · OFFSITE pathway · TRACE-CARC · lead Zinc compounds. 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