EPA TRI Facility · Primary Metals
Century Aluminum Sebree LLC
Robards, KY · Parent: Century Aluminum Co
- Total releases
- 2.9M lbs
- Chemicals reported
- 11
- Carcinogens
- 3
- Primary pathway
- Air Releases
AIR Form-R mix
Century Aluminum Sebree LLC: how the 2.9M lbs splits
2.9M lbs across all reported pathways
- Air Releases 2.9M lbs 100.0%
- Water Discharges 762 lbs <0.1%
- Land Disposal 153 lbs <0.1%
Century Aluminum Sebree LLC's 2.9M lbs Form-R total is AIR - air releases is 100.0% of the bar. Next segment: water discharges at <0.1%. Leading chemical by pounds: Carbonyl sulfide.
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 AIR pathway CARC-LEAN
Century Aluminum Sebree LLC is an EPA Toxics Release Inventory reporter in Robards, KY, in the primary metals sector. It reported 573.4K lbs of releases across 10 chemicals in 2023, and 2.9M lbs in total across its 2019-2023 reporting years. That ranks 663 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Kentucky's 422 reporting TRI sites, pounds #1 is not chemical-count #1. Century Aluminum Sebree LLC is pounds #20 and chemical-count #52 at 2.9M lbs. North American Stainless leads reported pounds (35.2M lbs) at 15 chemicals (chemical-count #36). Safety-Kleen Systems Inc. leads chemical count at 50 chemicals (725.8K lbs, pounds #50). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Big Rivers Electric Corp Reid/green/hmp&l Station II; Tyson Chicken Inc. Processing & Rendering; Amg Aluminum N.a. LLC; Phoenix Fabricators & Erectors Inc. Similar-scale Primary Metals peers outside Kentucky: Western Zirconium; Cascade Steel Rolling Mills Inc; Eramet Marietta Inc; Alcoa USA Corp.. Other Century Aluminum Co sites in this extract: Century Aluminum of Kentucky; Century Aluminum of South Carolina. Largest disclosed chemicals by pounds: Carbonyl sulfide; Hydrogen fluoride; Naphthalene; Polycyclic aromatic compounds.
Century Aluminum Sebree LLC stamps HEAVY volume with a dominant AIR pathway (100.0% air releases) across 11 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 2.9M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Western Zirconium and Cascade Steel Rolling Mills Inc.
Century Aluminum Sebree LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
2.9M lbs Top 3% higher than 97% 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
Century Aluminum Sebree LLC inside Henderson's TRI pounds
Among the 1,603 Primary Metals facilities in this database, Century Aluminum Sebree LLC reports the 92nd-largest volume, placing it in the top 5.7% of its sector. This one site accounts for 49.8% of every pound reported in Henderson. Scale peers outside Kentucky include Western Zirconium and Cascade Steel Rolling Mills Inc.
County-dominant here means ≥25% of Henderson's reported pounds (5.8M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Century Aluminum Sebree LLC's total reported releases rose from 540.6 thousand lb in 2022 to 573.4 thousand lb in 2023, based on EPA TRI filings.
- Century Aluminum Sebree LLC's water releases fell from 148 lb in 2022 to 133 lb in 2023, based on EPA TRI filings.
- Century Aluminum Sebree LLC's air releases rose from 540.4 thousand lb in 2022 to 573.3 thousand lb in 2023, based on EPA TRI filings.
Century Aluminum Sebree LLC Form-R facts
Compare this facility
See how Century Aluminum Sebree LLC stacks up against nearby facilities and the typical reporter.
About the same as the comparison
42% 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 Century Aluminum Sebree LLC releases toxic chemicals into the environment. Total: 2.9M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 9% (627.2K lbs to 573.4K lbs).
Century Aluminum Sebree LLC: annual Form-R pounds
HEAVY site · AIR pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Century Aluminum Sebree LLC year-over-year reported totals (decreased by 9% 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: Carbonyl sulfide.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 627.2K lbs | 10 |
| 2020 | 600.4K lbs | 10 |
| 2021 | 537.2K lbs | 9 |
| 2022 | 540.6K lbs | 10 |
| 2023 | 573.4K lbs | 10 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 3 of 11 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Carbonyl sulfide | 1.3M lbs | - |
| Hydrogen fluoride | 989.8K lbs | - |
| Naphthalene | 302.9K lbs | Carcinogen |
| Polycyclic aromatic compounds | 202.0K lbs | Carcinogen |
| Manganese compounds | 23.5K lbs | - |
| Phenanthrene | 16.1K lbs | - |
| Benzo[g,h,i]perylene | 10.3K lbs | - |
| Nickel compounds | 4.6K lbs | Carcinogen |
| Chromium | 1.8K lbs | - |
| Lead compounds | 1.1K lbs | - |
| Copper | 52 lbs | - |
Century Aluminum Sebree LLC · AIR-pathway site
Nearest TRI Facilities to Century Aluminum Sebree LLC
Closest other reporters in Kentucky - including Big Rivers Electric Corp Reid/green/hmp&l Station II, Tyson Chicken Inc. Processing & Rendering, Amg Aluminum N.a. LLC, ordered by distance.
Showing 8 of 421 other reporting facilities in Kentucky.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Kentucky - e.g. Western Zirconium, Cascade Steel Rolling Mills Inc, Eramet Marietta Inc.
Compare beyond Kentucky
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Century Aluminum Sebree LLC on cumulative reported pounds (2.9M lbs) and distinct chemical count (11). Release-pound peers include Taminco US LLC, Huntsman International LLC, Western Zirconium. Chemical-count peers include Puerto Rico Energy LLC - Bayamon Terminal, Lanco Manufacturing Corp, Buckeye Caribbean Terminals LLC (former Scyi). 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).
- Puerto Rico Energy LLC - Bayamon Terminal Bayamon, PR · Petroleum Bulk Terminals 11 chemicals
- Lanco Manufacturing Corp San Lorenzo, PR · Chemicals 11 chemicals
- Buckeye Caribbean Terminals LLC (former Scyi) Yabucoa, PR · Petroleum Bulk Terminals 11 chemicals
- Limetree Bay Terminals LLC DBA Ocean Point Terminals Christiansted, VI · Petroleum Bulk Terminals 11 chemicals
Other Century Aluminum Co Facilities
Same-parent TRI sites ranked by reported releases - including Century Aluminum of Kentucky, Century Aluminum of South Carolina.
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 Carbonyl sulfide, Hydrogen fluoride, Naphthalene, Polycyclic aromatic compounds; nearby reporters include Big Rivers Electric Corp Reid/green/hmp&l Station II. Century Aluminum Sebree LLC stamps HEAVY volume · AIR pathway · CARC-LEAN 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 Century Aluminum Sebree LLC TRI extract (HEAVY · AIR · CARC-LEAN · lead Carbonyl sulfide) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Century Aluminum Sebree LLC totals are self-reported EPCRA §313 estimates for Robards, KY, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331313 · Primary Metals. 49.8% of Henderson TRI pounds in this extract. Nearest ABS peer: Taminco US LLC (Δ 648 lbs). Pounds ≠ exposure.
Century Aluminum Sebree LLC stamps HEAVY volume · AIR pathway · CARC-LEAN · lead Carbonyl sulfide. 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