EPA TRI Facility · Primary Metals
Nucor Steel Marion Inc
Marion, OH · Parent: Nucor Corp
- Total releases
- 982.2K lbs
- Chemicals reported
- 14
- Carcinogens
- 3
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Nucor Steel Marion Inc: how the 982.2K lbs splits
982.2K lbs across all reported pathways
- Off-site Transfers 974.8K lbs 99.3%
- Air Releases 7.4K lbs 0.7%
- Water Discharges 3 lbs <0.1%
- Land Disposal 0 lbs <0.1%
Nucor Steel Marion Inc's 982.2K lbs Form-R total is OFFSITE - off-site transfers is 99.3% of the bar. Next segment: air releases at 0.7%. 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.
MID volume OFFSITE pathway TRACE-CARC
Nucor Steel Marion Inc is an EPA Toxics Release Inventory reporter in Marion, OH, in the primary metals sector. It reported 169.2K lbs of releases across 8 chemicals in 2023, and 982.2K lbs in total across its 2019-2023 reporting years. That ranks 1,314 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Ohio's 1,299 reporting TRI sites, pounds #1 is not chemical-count #1. Nucor Steel Marion Inc is pounds #69 and chemical-count #54 at 982.2K lbs. Ineos Nitriles USA LLC leads reported pounds (42.4M lbs) at 31 chemicals (chemical-count #10). Heritage Thermal Services leads chemical count at 217 chemicals (431.4K lbs, pounds #116). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Whirlpool Corp Marion Operations; Nachurs Alpine Solutions; Ohio Galvanizing Corp; Arcelormittal Tubular Products USA LLC. Similar-scale Primary Metals peers outside Ohio: Grede Foundries; Esco Group LLC; Steel Dynamics Inc Flat Roll Group Columbus Div; Asahi Refining USA Inc. 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 compounds; Manganese And Manganese Compounds; Chromium compounds (except for chromite ore mined in the Transvaal Region).
Nucor Steel Marion Inc stamps MID volume with a dominant OFFSITE pathway (99.3% off-site transfers) across 14 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 982.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Grede Foundries and Esco Group LLC.
Nucor Steel Marion Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
982K lbs Top 5% higher than 95% 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 Marion Inc in the Primary Metals sector extract
Among the 1,603 Primary Metals facilities in this database, Nucor Steel Marion Inc reports the 144th-largest volume, placing it in the top 9% of its sector. Scale peers outside Ohio include Grede Foundries and Esco Group LLC.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Nucor Steel Marion Inc's total reported releases fell from 259.5 thousand lb in 2022 to 169.2 thousand lb in 2023, based on EPA TRI filings.
- Nucor Steel Marion Inc's off-site transfers fell from 258.2 thousand lb in 2022 to 167.7 thousand lb in 2023, based on EPA TRI filings.
- Nucor Steel Marion Inc's air releases rose from 1.3 thousand lb in 2022 to 1.5 thousand lb in 2023, based on EPA TRI filings.
Nucor Steel Marion Inc Form-R facts
Compare this facility
See how Nucor Steel Marion Inc stacks up against nearby facilities and the typical reporter.
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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 Marion Inc releases toxic chemicals into the environment. Total: 982.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 19% (208.2K lbs to 169.2K lbs).
Nucor Steel Marion Inc: annual Form-R pounds
MID site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Nucor Steel Marion Inc year-over-year reported totals (decreased by 19% 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.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 208.2K lbs | 7 |
| 2020 | 216.3K lbs | 7 |
| 2021 | 129.1K lbs | 7 |
| 2022 | 259.5K lbs | 8 |
| 2023 | 169.2K lbs | 8 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 3 of 14 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Zinc compounds | 353.7K lbs | - |
| Manganese compounds | 295.1K lbs | - |
| Manganese And Manganese Compounds | 184.0K lbs | - |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 43.7K lbs | - |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 29.2K lbs | - |
| Lead And Lead Compounds | 26.9K lbs | - |
| Lead compounds | 17.2K lbs | - |
| Copper compounds | 16.5K lbs | - |
| Copper And Copper Compounds | 9.2K lbs | - |
| Nickel compounds | 3.9K lbs | Carcinogen |
| Nickel And Nickel Compounds | 2.4K lbs | Carcinogen |
| Mercury compounds | 228 lbs | - |
| Mercury And Mercury Compounds | 153 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
Nucor Steel Marion Inc · OFFSITE-pathway site
Nearest TRI Facilities to Nucor Steel Marion Inc
Closest other reporters in Ohio - including Whirlpool Corp Marion Operations, Nachurs Alpine Solutions, Ohio Galvanizing Corp, ordered by distance.
Showing 8 of 1,298 other reporting facilities in Ohio.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Ohio - e.g. Grede Foundries, Esco Group LLC, Steel Dynamics Inc Flat Roll Group Columbus Div.
Compare beyond Ohio
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Nucor Steel Marion Inc on cumulative reported pounds (982.2K lbs) and distinct chemical count (14). Release-pound peers include US Army Fort Irwin National Training Center, Taminco US LLC, Grede Foundries. Chemical-count peers include Shell New Haven Terminal, Chambers Cogeneration L.P., Avantor Performance Materials. 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 Zinc compounds, Manganese compounds, Manganese And Manganese Compounds, Chromium compounds (except for chromite ore mined in the Transvaal Region); nearby reporters include Whirlpool Corp Marion Operations. Nucor Steel Marion Inc stamps MID 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 Marion Inc TRI extract (MID · OFFSITE · TRACE-CARC · lead Zinc compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Nucor Steel Marion Inc totals are self-reported EPCRA §313 estimates for Marion, OH, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331110 · Primary Metals. 12.3% of Marion TRI pounds in this extract. Nearest ABS peer: US Army Fort Irwin National Training Center (Δ 430 lbs). Pounds ≠ exposure.
Nucor Steel Marion Inc stamps MID 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