EPA TRI Facility · Primary Metals
Alcoa USA Corp.
Massena, NY · Parent: Alcoa Corp
- Total releases
- 3.0M lbs
- Chemicals reported
- 10
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
Alcoa USA Corp.: how the 3.6M lbs splits
3.6M lbs across all reported pathways
- Air Releases 3.6M lbs 99.8%
- Off-site Transfers 6.1K lbs 0.2%
- Land Disposal 0 lbs <0.1%
Alcoa USA Corp.'s 3.6M lbs Form-R total is AIR - air releases is 99.8% of the bar. Next segment: off-site transfers at 0.2%. 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 TRACE-CARC
Alcoa USA Corp. is an EPA Toxics Release Inventory reporter in Massena, NY, in the primary metals sector. It reported 570.7K lbs of releases across 9 chemicals in 2024, and 3.0M lbs in total across its 2019-2024 reporting years. That ranks 644 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In New York's 581 reporting TRI sites, pounds #1 is not chemical-count #1. Alcoa USA Corp. is pounds #8 and chemical-count #41 at 3.0M lbs. St Lawrence Zinc Co Balmat 4 Mine & Mill leads reported pounds (9.7M lbs) at 10 chemicals (chemical-count #40). Norlite LLC leads chemical count at 93 chemicals (28.3K lbs, pounds #152). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Norwood Mix Plant; North Country Dairy LLC; Tosca - Canton New York; Potters Industries LLC. Similar-scale Primary Metals peers outside New York: Eramet Marietta Inc; Century Aluminum of Kentucky; Magnitude 7 Metals LLC; Cascade Steel Rolling Mills Inc. Other Alcoa Corp sites in this extract: Alcoa Warrick Newco LLC; Intalco Aluminum LLC; Alcoa Wenatchee LLC; Reynolds Metals Co LLC. Largest disclosed chemicals by pounds: Carbonyl sulfide; Hydrogen fluoride; Polycyclic aromatic compounds; Chlorine.
Alcoa USA Corp. stamps HEAVY volume with a dominant AIR pathway (99.8% air releases) across 10 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 3.0M lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Eramet Marietta Inc and Century Aluminum of Kentucky.
Alcoa USA Corp. vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
3.0M lbs Top 2% higher than 98% 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
Alcoa USA Corp.: Carbonyl sulfide-led volume
Among the 1,603 Primary Metals facilities in this database, Alcoa USA Corp. reports the 88th-largest volume, placing it in the top 5.5% of its sector. Its reported volume is concentrated rather than spread: Carbonyl sulfide alone is 71.1% of the total. Scale peers outside New York include Eramet Marietta Inc and Century Aluminum of Kentucky.
Concentrated means ≥60% of Alcoa USA Corp.'s pounds in one chemical - here Carbonyl sulfide at 71.1%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Alcoa USA Corp.'s total reported releases fell from 603.7 thousand lb in 2022 to 570.7 thousand lb in 2023, based on EPA TRI filings.
- Alcoa USA Corp.'s off-site transfers fell from 2.0 thousand lb in 2022 to 127 lb in 2023, based on EPA TRI filings.
- Alcoa USA Corp.'s air releases fell from 601.7 thousand lb in 2022 to 570.6 thousand lb in 2023, based on EPA TRI filings.
Alcoa USA Corp. Form-R facts
Compare this facility
See how Alcoa USA Corp. stacks up against nearby facilities and the typical reporter.
527766.6× more than the comparison
5.0× 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 Alcoa USA Corp. releases toxic chemicals into the environment. Total: 3.6M lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 7% (613.6K lbs to 570.7K lbs).
Alcoa USA Corp.: annual Form-R pounds
HEAVY site · AIR pathway · TRI years 2019–2024
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
What this shows Alcoa USA Corp. year-over-year reported totals (decreased by 7% from 2019 to 2024). 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 | 613.6K lbs | 10 |
| 2020 | 616.0K lbs | 9 |
| 2021 | 581.7K lbs | 9 |
| 2022 | 603.7K lbs | 9 |
| 2023 | 570.7K lbs | 9 |
| 2024 | 570.7K lbs | 9 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 2 of 10 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Carbonyl sulfide | 2.5M lbs | - |
| Hydrogen fluoride | 1.0M lbs | - |
| Polycyclic aromatic compounds | 6.1K lbs | Carcinogen |
| Chlorine | 3.5K lbs | - |
| Lead And Lead Compounds | 1.1K lbs | - |
| Manganese | 945 lbs | - |
| Chromium | 919 lbs | - |
| Benzo[g,h,i]perylene | 717 lbs | - |
| Copper | 273 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
Alcoa USA Corp. · AIR-pathway site
Nearest TRI Facilities to Alcoa USA Corp.
Closest other reporters in New York - including Norwood Mix Plant, North Country Dairy LLC, Tosca - Canton New York, ordered by distance.
Showing 8 of 580 other reporting facilities in New York.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside New York - e.g. Eramet Marietta Inc, Century Aluminum of Kentucky, Magnitude 7 Metals LLC.
Compare beyond New York
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Alcoa USA Corp. on cumulative reported pounds (3.0M lbs) and distinct chemical count (10). Release-pound peers include Nipsco Michigan City Generating Station, Woodland Pulp LLC, Manitowoc Public Utilities. Chemical-count peers include Harris Paints Corp., Saint Thomas Bulk Terminal, Total Guaynabo Bulk Terminal. 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.
- Nipsco Michigan City Generating Station Michigan City, IN · Electric Utilities 3.0M lbs reported
- Woodland Pulp LLC Baileyville, ME · Paper 3.0M lbs reported
- Manitowoc Public Utilities Manitowoc, WI · Electric Utilities 3.0M lbs reported
- Duke Energy Carolinas LLC - Belews Creek Steam Station Walnut Cove, NC · Electric Utilities 3.0M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Alcoa Corp Facilities
Same-parent TRI sites ranked by reported releases - including Alcoa Warrick Newco LLC, Intalco Aluminum LLC, Alcoa Wenatchee 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, Polycyclic aromatic compounds, Chlorine; nearby reporters include Norwood Mix Plant. Alcoa USA Corp. stamps HEAVY volume · AIR 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 Alcoa USA Corp. TRI extract (HEAVY · AIR · TRACE-CARC · lead Carbonyl sulfide) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Alcoa USA Corp. totals are self-reported EPCRA §313 estimates for Massena, NY, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 331313 · Primary Metals. 22.4% of St. Lawrence TRI pounds in this extract. Nearest ABS peer: Nipsco Michigan City Generating Station (Δ 4.7K lbs). Pounds ≠ exposure.
Alcoa USA Corp. stamps HEAVY volume · AIR pathway · TRACE-CARC · 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