Alcoa Corp
7 facilities · 6 states · 16.4M lbs total releases
According to the EPA Toxics Release Inventory, Alcoa Corp is the reported parent of 7 Form R facilities across 6 states, disclosing 16.4M lbs of toxic releases. 15 of 72 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Indiana (12.6M lbs). Those TRI figures remain self-reported disclosure pounds for Alcoa Corp, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Alcoa Corp: EPA TRI 2023 reporting year
Same facilities, both years
-6.3%
5 facilities that filed in 2022 and 2023
Whole inventory
-8.8%
3.0 million lb → 2.8 million lb, every facility that filed
Between the two reporting years, 0 facilities filed for the first time and 2 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Alcoa Corp's total reported releases fell from 2.9 million lb in 2022 to 2.8 million lb in 2023, based on EPA TRI filings.
- Alcoa Corp's water releases rose from 14.1 thousand lb in 2022 to 32.1 thousand lb in 2023, based on EPA TRI filings.
- Alcoa Corp's off-site transfers fell from 37.0 thousand lb in 2022 to 3.2 thousand lb in 2023, based on EPA TRI filings.
- Alcoa Corp's land releases fell from 586.4 thousand lb in 2022 to 449.6 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Alcoa Corp from filing to facility
Largest Form R sites under this parent: Alcoa Warrick Newco LLC; Alcoa USA Corp.; Intalco Aluminum LLC; Alcoa Wenatchee LLC. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; US Steel Corp; Ecobat LLC; Tradebe Gp. Largest disclosed chemicals by pounds: Carbonyl sulfide; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Hydrogen fluoride; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Vanadium compounds. Heaviest-reporting states in this extract: Indiana; New York; Washington. Industry labels on the parent rollup: Primary Metals; Petroleum; Other. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026
Largest Form R sites under this parent: Alcoa Warrick Newco LLC; Alcoa USA Corp.; Intalco Aluminum LLC; Alcoa Wenatchee LLC. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; US Steel Corp; Ecobat LLC; Tradebe Gp. Largest disclosed chemicals by pounds: Carbonyl sulfide; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Hydrogen fluoride; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Vanadium compounds. Heaviest-reporting states in this extract: Indiana; New York; Washington. Industry labels on the parent rollup: Primary Metals; Petroleum; Other.
Alcoa Corp ranks #105 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Alcoa Corp spans 6 states in this extract, placing it among the broader national TRI parent footprints. Releases are facility-concentrated: Alcoa Warrick Newco LLC accounts for most of Alcoa Corp's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Alcoa Corp follows facility-reported names. Compare the named neighbors (Cleveland-Cliffs Inc; US Steel Corp; Ecobat LLC) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Alcoa Corp sits among TRI parents
Alcoa Corp sits on a disclosure ladder beside Cleveland-Cliffs Inc and US Steel Corp and Ecobat LLC and Tradebe Gp. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Cleveland-Cliffs Inc · rank #103 · 131.7M lbs
- US Steel Corp · rank #104 · 79.2M lbs
Lower disclosed volume
- Ecobat LLC · rank #106 · 12.3M lbs
- Tradebe Gp · rank #107 · 11.9M lbs
Largest chemicals disclosed by Alcoa Corp
Carbonyl sulfide; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Hydrogen fluoride; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Vanadium compounds lead the Form R pound rollup for this parent, including filings such as Alcoa Warrick Newco LLC. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Carbonyl sulfide | 6.1M lbs |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 5.0M lbs |
| Hydrogen fluoride | 1.7M lbs |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 615.8K lbs |
| Vanadium compounds | 473.2K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Indiana | 1 | 12.6M lbs |
| New York | 1 | 3.0M lbs |
| Washington | 2 | 825.7K lbs |
| Louisiana | 1 | 2.1K lbs |
| Maryland | 1 | 6 lbs |
| Texas | 1 | 5 lbs |
Facilities (7)
| Facility | Releases |
|---|---|
| Alcoa Warrick Newco LLC Newburgh, IN | 12.6M lbs |
| Alcoa USA Corp. Massena, NY | 3.0M lbs |
| Intalco Aluminum LLC Ferndale, WA | 795.1K lbs |
| Alcoa Wenatchee LLC Malaga, WA | 30.6K lbs |
| Reynolds Metals Co LLC Lake Charles, LA | 2.1K lbs |
| Eastalco Aluminum Co Pier Baltimore, MD | 6 lbs |
| Alcoa World Alumina LLC Point Comfort, TX | 5 lbs |
Frequently Asked Questions
How much pollution does Alcoa Corp release?
How many facilities does Alcoa Corp operate?
What industries and chemicals show up for Alcoa Corp?
Does Alcoa Corp release carcinogens?
Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Alcoa Corp on total disclosed release pounds (16.4M lbs) and reporting facility count (7). Release-volume peers include Sdw Holdings Corp, Quikrete Holdings, Westlake Corp. Facility-count peers include A O Smith Corp, Ahf Products LLC, Aisin Holdings of America. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.
Similar disclosed release pounds
Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.
Similar facility count
Nearest parents by reporting-site count (deduped against the release-pound neighborhood).
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Indiana, New York, Washington; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Alcoa Corp's TRI parent record
From Alcoa Corp, open Alcoa Warrick Newco LLC or compare against Cleveland-Cliffs Inc rather than reading rank alone.
- Open the largest Form R site for Alcoa Corp (Alcoa Warrick Newco LLC in IN). Largest facility
- Compare against US Steel Corp, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Alcoa Corp sits among all slug-merged TRI parents. All parent companies
Rank and peers (Cleveland-Cliffs Inc, US Steel Corp) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Alcoa Corp's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.
Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.
Primary sources
- EPA Toxics Release Inventory Basic Data Files - annual facility-level chemical-release disclosures
PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.