EPA TRI Facility · Primary Metals
Century Aluminum of South Carolina
Goose Creek, SC · Parent: Century Aluminum Co
- Total releases
- 2.7M lbs
- Chemicals reported
- 12
- Carcinogens
- 3
- Primary pathway
- Air Releases
AIR Form-R mix
Century Aluminum of South Carolina: how the 2.7M lbs splits
2.7M lbs across all reported pathways
- Air Releases 2.6M lbs 96.4%
- Off-site Transfers 98.3K lbs 3.6%
- Water Discharges 27 lbs <0.1%
- Land Disposal 0 lbs <0.1%
Century Aluminum of South Carolina's 2.7M lbs Form-R total is AIR - air releases is 96.4% of the bar. Next segment: off-site transfers at 3.6%. 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 of South Carolina is an EPA Toxics Release Inventory reporter in Goose Creek, SC, in the primary metals sector. It reported 601.6K lbs of releases across 9 chemicals in 2023, and 2.7M lbs in total across its 2019-2023 reporting years. That ranks 691 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In South Carolina's 574 reporting TRI sites, pounds #1 is not chemical-count #1. Century Aluminum of South Carolina is pounds #16 and chemical-count #40 at 2.7M lbs. Oceanagold Haile Gold Mine leads reported pounds (30.2M lbs) at 19 chemicals (chemical-count #14). Giant Cement Co leads chemical count at 90 chemicals (53.3K lbs, pounds #185). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Jw Aluminum Mt Holly Operations; Pegasus Steel; Parker Hannifin Corp Mt Holly Facility; Concrete Supply Co Llc-Moncks Corner. Similar-scale Primary Metals peers outside South Carolina: Scepter Inc; Wva Manufacturing LLC; Century Aluminum Sebree LLC; Western Zirconium. Other Century Aluminum Co sites in this extract: Century Aluminum of Kentucky; Century Aluminum Sebree LLC. Largest disclosed chemicals by pounds: Carbonyl sulfide; Hydrogen fluoride; Cyanide compounds; Naphthalene.
Century Aluminum of South Carolina stamps HEAVY volume with a dominant AIR pathway (96.4% air releases) across 12 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 2.7M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Scepter Inc and Wva Manufacturing LLC.
Century Aluminum of South Carolina vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
2.7M 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 of South Carolina: Carbonyl sulfide-led volume
Among the 1,603 Primary Metals facilities in this database, Century Aluminum of South Carolina reports the 93rd-largest volume, placing it in the top 5.8% of its sector. Its reported volume is concentrated rather than spread: Carbonyl sulfide alone is 80.2% of the total. Scale peers outside South Carolina include Scepter Inc and Wva Manufacturing LLC.
Concentrated means ≥60% of Century Aluminum of South Carolina's pounds in one chemical - here Carbonyl sulfide at 80.2%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Century Aluminum of South Carolina's total reported releases fell from 731.3 thousand lb in 2022 to 601.6 thousand lb in 2023, based on EPA TRI filings.
- Century Aluminum of South Carolina's off-site transfers fell from 33.9 thousand lb in 2022 to 65 lb in 2023, based on EPA TRI filings.
- Century Aluminum of South Carolina's air releases fell from 697.4 thousand lb in 2022 to 601.5 thousand lb in 2023, based on EPA TRI filings.
- Century Aluminum of South Carolina's chemicals reported fell from 10 in 2022 to 9 in 2023, based on EPA TRI filings.
Century Aluminum of South Carolina Form-R facts
Compare this facility
See how Century Aluminum of South Carolina stacks up against nearby facilities and the typical reporter.
33.2× more than the comparison
2.0× 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 Century Aluminum of South Carolina releases toxic chemicals into the environment. Total: 2.7M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 34% (449.8K lbs to 601.6K lbs).
Century Aluminum of South Carolina: annual Form-R pounds
HEAVY site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021
- 2022
- 2023
What this shows Century Aluminum of South Carolina year-over-year reported totals (increased by 34% 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 | 449.8K lbs | 7 |
| 2020 | 426.0K lbs | 7 |
| 2021 | 520.2K lbs | 11 |
| 2022 | 731.3K lbs | 10 |
| 2023 | 601.6K lbs | 9 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 3 of 12 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Carbonyl sulfide | 2.2M lbs | - |
| Hydrogen fluoride | 348.1K lbs | - |
| Cyanide compounds | 98.0K lbs | - |
| Naphthalene | 31.0K lbs | Carcinogen |
| Polycyclic aromatic compounds | 28.5K lbs | Carcinogen |
| Dinitrotoluene (mixed isomers) | 14.7K lbs | - |
| Aluminum (fume or dust) | 11.1K lbs | - |
| Copper | 6.6K lbs | - |
| Manganese | 2.1K lbs | - |
| Benzo[g,h,i]perylene | 766 lbs | - |
| Chromium | 358 lbs | - |
| Lead | 264 lbs | Carcinogen |
Century Aluminum of South Carolina · AIR-pathway site
Nearest TRI Facilities to Century Aluminum of South Carolina
Closest other reporters in South Carolina - including Jw Aluminum Mt Holly Operations, Pegasus Steel, Parker Hannifin Corp Mt Holly Facility, ordered by distance.
Showing 8 of 573 other reporting facilities in South Carolina.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside South Carolina - e.g. Scepter Inc, Wva Manufacturing LLC, Century Aluminum Sebree LLC.
Compare beyond South Carolina
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Century Aluminum of South Carolina on cumulative reported pounds (2.7M lbs) and distinct chemical count (12). Release-pound peers include Adm Processing, Bwxt Nuclear Operations Group Inc., Chalmette Refining LLC. Chemical-count peers include Fmc Agricultural Caribe Industries Ltd, Peerless Oil & Chemicals Inc., Prepa - Aguirre Power Generati on Complex. 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).
- Fmc Agricultural Caribe Industries Ltd Manati, PR · Chemicals 12 chemicals
- Peerless Oil & Chemicals Inc. Penuelas, PR · Petroleum Bulk Terminals 12 chemicals
- Prepa - Aguirre Power Generati on Complex Aguirre, PR · Electric Utilities 12 chemicals
- Citgo Petroleum Corp Braintree, MA · Petroleum Bulk Terminals 12 chemicals
Other Century Aluminum Co Facilities
Same-parent TRI sites ranked by reported releases - including Century Aluminum of Kentucky, Century Aluminum Sebree LLC.
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, Cyanide compounds, Naphthalene; nearby reporters include Jw Aluminum Mt Holly Operations. Century Aluminum of South Carolina 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 of South Carolina 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 of South Carolina totals are self-reported EPCRA §313 estimates for Goose Creek, SC, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331313 · Primary Metals. 9.4% of Berkeley TRI pounds in this extract. Nearest ABS peer: Adm Processing (Δ 709 lbs). Pounds ≠ exposure.
Century Aluminum of South Carolina 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