Arconic US LLC
MASSENA, NY · ST. LAWRENCE COUNTY · NAICS 331318
Data updated May 2026
Arconic US LLC ranks among smaller GHGRP totals (#7,793 of 8,713 nationally; #220 of 246 in NY), a lower-footprint comparator in Metals.
- National rank #7,793 of 8,713 GHGRP facilities
- #220 of 246 in NY
- #332 of 363 in Metals
- -97.6% since 2011
Arconic US LLC vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
7,987 7793rd of 8713 higher than 920 of 8,713 facilities
GHGRP facilities, banded by latest reported CO₂e (MT)
Each bar is a band; taller bars hold more facilities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA Greenhouse Gas Reporting Program · 2021
Facility footprint context
Inside the EPA Metals sector it ranks #332 of 363 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2021 | 7,987 |
| 2020 | 14,112 |
| 2019 | 17,478 |
| 2018 | 19,647 |
| 2017 | 18,924 |
| 2016 | 255,641 |
| 2015 | 321,629 |
| 2014 | 313,062 |
| 2013 | 288,607 |
| 2012 | 310,472 |
| 2011 | 330,211 |
Facility insight: Arconic US LLC
Arconic US LLC (ID 1002483) reported 8K MT CO₂e for 2021 in ST. LAWRENCE COUNTY, NY (#7,793 of 8,713 by latest CO₂e).
Across 2011–2021, annual CO₂e fell 97.6%; peak load was 330K MT in 2011. This facility has filed every year from 2011 to 2021, a complete 11-year record.
Peak year was 2011 at 330K MT CO2e; latest 2021 sits 97.6% below that peak (8K MT). The largest year-to-year move was 2016→2017 (-92.6%, 237K MT).
Frequently Asked Questions
Where does Arconic US LLC rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Arconic US LLC ranks #7,793 of 8,713 reporting facilities by latest reported CO₂e, and #220 of 246 facilities in NY (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Arconic US LLC? ▼
Arconic US LLC's 8K MT CO₂e is higher than 920 of the 8,713 GHGRP facilities with reported emissions (11%), an exact count from the full corpus, not an estimate.
How much CO2 does Arconic US LLC emit? ▼
Arconic US LLC reported 8K MT CO2e in 2021.
Where does Arconic US LLC rank inside Metals? ▼
Among EPA GHGRP facilities tagged Metals, Arconic US LLC ranks #332 of 363 by latest reported CO₂e.
Is Arconic US LLC reducing emissions? ▼
Over 11 reporting years (2011–2021), Arconic US LLC's emissions have decreased by 97.6%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Lower-footprint peers outside NY: nearest CO₂e totals and same-sector reporters for context.
Similar reported CO₂e
Nearest latest-year facility totals outside NY (8K MT here).
Similar Metals CO₂e
Nearest same-sector facility totals outside NY.