EPA TRI Facility · Primary Metals
Arconic US LLC
Alcoa, TN · Parent: Arconic Corp
- Total releases
- 864.9K lbs
- Chemicals reported
- 9
- Carcinogens
- 3
- Primary pathway
- Off-site Transfers
MIXED Form-R mix
Arconic US LLC: how the 864.9K lbs splits
864.9K lbs across all reported pathways
- Off-site Transfers 547.9K lbs 63.3%
- Air Releases 314.3K lbs 36.3%
- Water Discharges 2.8K lbs 0.3%
- Land Disposal 0 lbs <0.1%
Arconic US LLC's 864.9K lbs Form-R total is MIXED - off-site transfers is 63.3% of the bar. Next segment: air releases at 36.3%. Leading chemical by pounds: Aluminum (fume or dust).
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 MIXED pathway TRACE-CARC
Arconic US LLC is an EPA Toxics Release Inventory reporter in Alcoa, TN, in the primary metals sector. It reported 262.9K lbs of releases across 9 chemicals in 2023, and 864.9K lbs in total across its 2019-2023 reporting years. That ranks 1,424 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Tennessee's 595 reporting TRI sites, pounds #1 is not chemical-count #1. Arconic US LLC is pounds #51 and chemical-count #60 at 864.9K lbs. Nyrstar Clarksville Inc leads reported pounds (72.9M lbs) at 13 chemicals (chemical-count #31). Tradebe Treatment & Recycling of Tn leads chemical count at 75 chemicals (6.3M lbs, pounds #13). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Smoky Mountain Metals Inc; Royal Metal Powders Inc.; Smith & Wesson Brands Inc.; Nisus Corp. Similar-scale Primary Metals peers outside Tennessee: Novelis; Caterpillar Inc Mapleton Plant; Sloan Valve Co; P Kay Metal Lewiston. Other Arconic Corp sites in this extract: Kawneer Co. Inc.; Arconic US LLC; Arconic US LLC; Kawneer Co Inc. Largest disclosed chemicals by pounds: Aluminum (fume or dust); Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Chromium; Manganese.
Arconic US LLC is a MID · MIXED-pathway Form-R site in Alcoa, TN: 864.9K lbs across 9 chemicals (3 carcinogen-classified, TRACE-CARC). No single media clears 70% of the bar (lead segment off-site transfers at 63.3%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Novelis and Caterpillar Inc Mapleton Plant.
Arconic US LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
865K 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
Arconic US LLC inside Blount's TRI pounds
Among the 1,603 Primary Metals facilities in this database, Arconic US LLC reports the 156th-largest volume, placing it in the top 9.7% of its sector. This one site accounts for 38.8% of every pound reported in Blount. Scale peers outside Tennessee include Novelis and Caterpillar Inc Mapleton Plant.
County-dominant here means ≥25% of Blount's reported pounds (2.2M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Arconic US LLC's total reported releases rose from 199.5 thousand lb in 2022 to 262.9 thousand lb in 2023, based on EPA TRI filings.
- Arconic US LLC's off-site transfers rose from 123.5 thousand lb in 2022 to 167.6 thousand lb in 2023, based on EPA TRI filings.
- Arconic US LLC's air releases rose from 75.6 thousand lb in 2022 to 94.8 thousand lb in 2023, based on EPA TRI filings.
- Arconic US LLC's chemicals reported rose from 8 in 2022 to 9 in 2023, based on EPA TRI filings.
Arconic US LLC Form-R facts
Compare this facility
See how Arconic US LLC stacks up against nearby facilities and the typical reporter.
21622.4× more than the comparison
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 Arconic US LLC releases toxic chemicals into the environment. Total: 864.9K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 106% (127.7K lbs to 262.9K lbs).
Arconic US LLC: annual Form-R pounds
MID site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Arconic US LLC year-over-year reported totals (increased by 106% 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: Aluminum (fume or dust).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 127.7K lbs | 7 |
| 2020 | 118.5K lbs | 7 |
| 2021 | 156.4K lbs | 7 |
| 2022 | 199.5K lbs | 8 |
| 2023 | 262.9K lbs | 9 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 3 of 9 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Aluminum (fume or dust) | 518.3K lbs | - |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 297.9K lbs | - |
| Chromium | 24.3K lbs | - |
| Manganese | 11.4K lbs | - |
| Copper | 7.1K lbs | - |
| Nickel | 3.5K lbs | Carcinogen |
| Lead | 2.5K lbs | Carcinogen |
| Mercury | 14 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
Arconic US LLC in Blount
Nearest TRI Facilities to Arconic US LLC
Closest other reporters in Tennessee - including Smoky Mountain Metals Inc, Royal Metal Powders Inc., Smith & Wesson Brands Inc., ordered by distance.
Showing 8 of 594 other reporting facilities in Tennessee.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Tennessee - e.g. Novelis, Caterpillar Inc Mapleton Plant, Sloan Valve Co.
Compare beyond Tennessee
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Arconic US LLC on cumulative reported pounds (864.9K lbs) and distinct chemical count (9). Release-pound peers include Addis Carbon Black Plant, Weyerhaeuser Nr, Westlake Vinyls Inc. - Pvc Plant. Chemical-count peers include Viatris Pharmaceuticals LLC, Prepa - San Juan Steam Plant, Solutia Inc. 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).
- Viatris Pharmaceuticals LLC Barceloneta, PR · Chemicals 9 chemicals
- Prepa - San Juan Steam Plant Puerto Nuevo, PR · Electric Utilities 9 chemicals
- Solutia Inc Springfield, MA · Plastics and Rubber 9 chemicals
- O'Connell Oil Co Merrill Road Facility Pittsfield, MA · Petroleum Bulk Terminals 9 chemicals
Other Arconic Corp Facilities
Same-parent TRI sites ranked by reported releases - including Kawneer Co. Inc., Arconic US LLC, Arconic US 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 Aluminum (fume or dust), Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Chromium, Manganese; nearby reporters include Smoky Mountain Metals Inc. Arconic US LLC stamps MID volume · MIXED 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 Arconic US LLC TRI extract (MID · MIXED · TRACE-CARC · lead Aluminum (fume or dust)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Arconic US LLC totals are self-reported EPCRA §313 estimates for Alcoa, TN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331314 · Primary Metals. 38.8% of Blount TRI pounds in this extract. Nearest ABS peer: Addis Carbon Black Plant (Δ 718 lbs). Pounds ≠ exposure.
Arconic US LLC stamps MID · MIXED pathway (off-site transfers leads at 63.3%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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